cascade_cli/cli/commands/
stack.rs

1use crate::bitbucket::BitbucketIntegration;
2use crate::cli::output::Output;
3use crate::errors::{CascadeError, Result};
4use crate::git::{find_repository_root, GitRepository};
5use crate::stack::{CleanupManager, CleanupOptions, CleanupResult, StackManager, StackStatus};
6use clap::{Subcommand, ValueEnum};
7use dialoguer::{theme::ColorfulTheme, Confirm};
8// Progress bars removed - using professional Output module instead
9use std::env;
10use tracing::{debug, warn};
11
12/// CLI argument version of RebaseStrategy
13#[derive(ValueEnum, Clone, Debug)]
14pub enum RebaseStrategyArg {
15    /// Force-push rebased commits to original branches (preserves PR history)
16    ForcePush,
17    /// Interactive rebase with conflict resolution
18    Interactive,
19}
20
21#[derive(ValueEnum, Clone, Debug)]
22pub enum MergeStrategyArg {
23    /// Create a merge commit
24    Merge,
25    /// Squash all commits into one
26    Squash,
27    /// Fast-forward merge when possible
28    FastForward,
29}
30
31impl From<MergeStrategyArg> for crate::bitbucket::pull_request::MergeStrategy {
32    fn from(arg: MergeStrategyArg) -> Self {
33        match arg {
34            MergeStrategyArg::Merge => Self::Merge,
35            MergeStrategyArg::Squash => Self::Squash,
36            MergeStrategyArg::FastForward => Self::FastForward,
37        }
38    }
39}
40
41#[derive(Debug, Subcommand)]
42pub enum StackAction {
43    /// Create a new stack
44    Create {
45        /// Name of the stack
46        name: String,
47        /// Base branch for the stack
48        #[arg(long, short)]
49        base: Option<String>,
50        /// Description of the stack
51        #[arg(long, short)]
52        description: Option<String>,
53    },
54
55    /// List all stacks
56    List {
57        /// Show detailed information
58        #[arg(long, short)]
59        verbose: bool,
60        /// Show only active stack
61        #[arg(long)]
62        active: bool,
63        /// Output format (name, id, status)
64        #[arg(long)]
65        format: Option<String>,
66    },
67
68    /// Switch to a different stack
69    Switch {
70        /// Name of the stack to switch to
71        name: String,
72    },
73
74    /// Deactivate the current stack (turn off stack mode)
75    Deactivate {
76        /// Force deactivation without confirmation
77        #[arg(long)]
78        force: bool,
79    },
80
81    /// Show the current stack status  
82    Show {
83        /// Show detailed pull request information
84        #[arg(short, long)]
85        verbose: bool,
86        /// Show mergability status for all PRs
87        #[arg(short, long)]
88        mergeable: bool,
89    },
90
91    /// Push current commit to the top of the stack
92    Push {
93        /// Branch name for this commit
94        #[arg(long, short)]
95        branch: Option<String>,
96        /// Commit message (if creating a new commit)
97        #[arg(long, short)]
98        message: Option<String>,
99        /// Use specific commit hash instead of HEAD
100        #[arg(long)]
101        commit: Option<String>,
102        /// Push commits since this reference (e.g., HEAD~3)
103        #[arg(long)]
104        since: Option<String>,
105        /// Push multiple specific commits (comma-separated)
106        #[arg(long)]
107        commits: Option<String>,
108        /// Squash unpushed commits before pushing (optional: specify count)
109        #[arg(long, num_args = 0..=1, default_missing_value = "0")]
110        squash: Option<usize>,
111        /// Squash all commits since this reference (e.g., HEAD~5)
112        #[arg(long)]
113        squash_since: Option<String>,
114        /// Auto-create feature branch when pushing from base branch
115        #[arg(long)]
116        auto_branch: bool,
117        /// Allow pushing commits from base branch (not recommended)
118        #[arg(long)]
119        allow_base_branch: bool,
120        /// Show what would be pushed without actually pushing
121        #[arg(long)]
122        dry_run: bool,
123    },
124
125    /// Pop the top commit from the stack
126    Pop {
127        /// Keep the branch (don't delete it)
128        #[arg(long)]
129        keep_branch: bool,
130    },
131
132    /// Submit a stack entry for review
133    Submit {
134        /// Stack entry number (1-based, defaults to all unsubmitted)
135        entry: Option<usize>,
136        /// Pull request title
137        #[arg(long, short)]
138        title: Option<String>,
139        /// Pull request description
140        #[arg(long, short)]
141        description: Option<String>,
142        /// Submit range of entries (e.g., "1-3" or "2,4,6")
143        #[arg(long)]
144        range: Option<String>,
145        /// Create draft pull requests (default: true, use --no-draft to create ready PRs)
146        #[arg(long, default_value_t = true)]
147        draft: bool,
148        /// Open the PR(s) in your default browser after submission (default: true, use --no-open to disable)
149        #[arg(long, default_value_t = true)]
150        open: bool,
151    },
152
153    /// Check status of all pull requests in a stack
154    Status {
155        /// Name of the stack (defaults to active stack)
156        name: Option<String>,
157    },
158
159    /// List all pull requests for the repository
160    Prs {
161        /// Filter by state (open, merged, declined)
162        #[arg(long)]
163        state: Option<String>,
164        /// Show detailed information
165        #[arg(long, short)]
166        verbose: bool,
167    },
168
169    /// Check stack status with remote repository (read-only)
170    Check {
171        /// Force check even if there are issues
172        #[arg(long)]
173        force: bool,
174    },
175
176    /// Sync stack with remote repository (pull + rebase + cleanup)
177    Sync {
178        /// Force sync even if there are conflicts
179        #[arg(long)]
180        force: bool,
181        /// Also cleanup merged branches after sync
182        #[arg(long)]
183        cleanup: bool,
184        /// Interactive mode for conflict resolution
185        #[arg(long, short)]
186        interactive: bool,
187        /// Continue from in-progress cherry-pick after resolving conflicts
188        #[arg(long)]
189        r#continue: bool,
190    },
191
192    /// Rebase stack on updated base branch
193    Rebase {
194        /// Interactive rebase
195        #[arg(long, short)]
196        interactive: bool,
197        /// Target base branch (defaults to stack's base branch)
198        #[arg(long)]
199        onto: Option<String>,
200        /// Rebase strategy to use
201        #[arg(long, value_enum)]
202        strategy: Option<RebaseStrategyArg>,
203    },
204
205    /// Continue an in-progress rebase after resolving conflicts
206    ContinueRebase,
207
208    /// Abort an in-progress rebase
209    AbortRebase,
210
211    /// Show rebase status and conflict resolution guidance
212    RebaseStatus,
213
214    /// Delete a stack
215    Delete {
216        /// Name of the stack to delete
217        name: String,
218        /// Force deletion without confirmation
219        #[arg(long)]
220        force: bool,
221    },
222
223    /// Validate stack integrity and handle branch modifications
224    ///
225    /// Checks that stack branches match their expected commit hashes.
226    /// Detects when branches have been manually modified (extra commits added).
227    ///
228    /// Available --fix modes:
229    /// • incorporate: Update stack entry to include extra commits
230    /// • split: Create new stack entry for extra commits  
231    /// • reset: Remove extra commits (DESTRUCTIVE - loses work)
232    ///
233    /// Without --fix, runs interactively asking for each modification.
234    Validate {
235        /// Name of the stack (defaults to active stack)
236        name: Option<String>,
237        /// Auto-fix mode: incorporate, split, or reset
238        #[arg(long)]
239        fix: Option<String>,
240    },
241
242    /// Land (merge) approved stack entries
243    Land {
244        /// Stack entry number to land (1-based index, optional)
245        entry: Option<usize>,
246        /// Force land even with blocking issues (dangerous)
247        #[arg(short, long)]
248        force: bool,
249        /// Dry run - show what would be landed without doing it
250        #[arg(short, long)]
251        dry_run: bool,
252        /// Use server-side validation (safer, checks approvals/builds)
253        #[arg(long)]
254        auto: bool,
255        /// Wait for builds to complete before merging
256        #[arg(long)]
257        wait_for_builds: bool,
258        /// Merge strategy to use
259        #[arg(long, value_enum, default_value = "squash")]
260        strategy: Option<MergeStrategyArg>,
261        /// Maximum time to wait for builds (seconds)
262        #[arg(long, default_value = "1800")]
263        build_timeout: u64,
264    },
265
266    /// Auto-land all ready PRs (shorthand for land --auto)
267    AutoLand {
268        /// Force land even with blocking issues (dangerous)
269        #[arg(short, long)]
270        force: bool,
271        /// Dry run - show what would be landed without doing it
272        #[arg(short, long)]
273        dry_run: bool,
274        /// Wait for builds to complete before merging
275        #[arg(long)]
276        wait_for_builds: bool,
277        /// Merge strategy to use
278        #[arg(long, value_enum, default_value = "squash")]
279        strategy: Option<MergeStrategyArg>,
280        /// Maximum time to wait for builds (seconds)
281        #[arg(long, default_value = "1800")]
282        build_timeout: u64,
283    },
284
285    /// List pull requests from Bitbucket
286    ListPrs {
287        /// Filter by state (open, merged, declined)
288        #[arg(short, long)]
289        state: Option<String>,
290        /// Show detailed information
291        #[arg(short, long)]
292        verbose: bool,
293    },
294
295    /// Continue an in-progress land operation after resolving conflicts
296    ContinueLand,
297
298    /// Abort an in-progress land operation  
299    AbortLand,
300
301    /// Show status of in-progress land operation
302    LandStatus,
303
304    /// Clean up merged and stale branches
305    Cleanup {
306        /// Show what would be cleaned up without actually deleting
307        #[arg(long)]
308        dry_run: bool,
309        /// Skip confirmation prompts
310        #[arg(long)]
311        force: bool,
312        /// Include stale branches in cleanup
313        #[arg(long)]
314        include_stale: bool,
315        /// Age threshold for stale branches (days)
316        #[arg(long, default_value = "30")]
317        stale_days: u32,
318        /// Also cleanup remote tracking branches
319        #[arg(long)]
320        cleanup_remote: bool,
321        /// Include non-stack branches in cleanup
322        #[arg(long)]
323        include_non_stack: bool,
324        /// Show detailed information about cleanup candidates
325        #[arg(long)]
326        verbose: bool,
327    },
328
329    /// Repair data consistency issues in stack metadata
330    Repair,
331}
332
333pub async fn run(action: StackAction) -> Result<()> {
334    match action {
335        StackAction::Create {
336            name,
337            base,
338            description,
339        } => create_stack(name, base, description).await,
340        StackAction::List {
341            verbose,
342            active,
343            format,
344        } => list_stacks(verbose, active, format).await,
345        StackAction::Switch { name } => switch_stack(name).await,
346        StackAction::Deactivate { force } => deactivate_stack(force).await,
347        StackAction::Show { verbose, mergeable } => show_stack(verbose, mergeable).await,
348        StackAction::Push {
349            branch,
350            message,
351            commit,
352            since,
353            commits,
354            squash,
355            squash_since,
356            auto_branch,
357            allow_base_branch,
358            dry_run,
359        } => {
360            push_to_stack(
361                branch,
362                message,
363                commit,
364                since,
365                commits,
366                squash,
367                squash_since,
368                auto_branch,
369                allow_base_branch,
370                dry_run,
371            )
372            .await
373        }
374        StackAction::Pop { keep_branch } => pop_from_stack(keep_branch).await,
375        StackAction::Submit {
376            entry,
377            title,
378            description,
379            range,
380            draft,
381            open,
382        } => submit_entry(entry, title, description, range, draft, open).await,
383        StackAction::Status { name } => check_stack_status(name).await,
384        StackAction::Prs { state, verbose } => list_pull_requests(state, verbose).await,
385        StackAction::Check { force } => check_stack(force).await,
386        StackAction::Sync {
387            force,
388            cleanup,
389            interactive,
390            r#continue,
391        } => {
392            if r#continue {
393                continue_sync().await
394            } else {
395                sync_stack(force, cleanup, interactive).await
396            }
397        }
398        StackAction::Rebase {
399            interactive,
400            onto,
401            strategy,
402        } => rebase_stack(interactive, onto, strategy).await,
403        StackAction::ContinueRebase => continue_rebase().await,
404        StackAction::AbortRebase => abort_rebase().await,
405        StackAction::RebaseStatus => rebase_status().await,
406        StackAction::Delete { name, force } => delete_stack(name, force).await,
407        StackAction::Validate { name, fix } => validate_stack(name, fix).await,
408        StackAction::Land {
409            entry,
410            force,
411            dry_run,
412            auto,
413            wait_for_builds,
414            strategy,
415            build_timeout,
416        } => {
417            land_stack(
418                entry,
419                force,
420                dry_run,
421                auto,
422                wait_for_builds,
423                strategy,
424                build_timeout,
425            )
426            .await
427        }
428        StackAction::AutoLand {
429            force,
430            dry_run,
431            wait_for_builds,
432            strategy,
433            build_timeout,
434        } => auto_land_stack(force, dry_run, wait_for_builds, strategy, build_timeout).await,
435        StackAction::ListPrs { state, verbose } => list_pull_requests(state, verbose).await,
436        StackAction::ContinueLand => continue_land().await,
437        StackAction::AbortLand => abort_land().await,
438        StackAction::LandStatus => land_status().await,
439        StackAction::Cleanup {
440            dry_run,
441            force,
442            include_stale,
443            stale_days,
444            cleanup_remote,
445            include_non_stack,
446            verbose,
447        } => {
448            cleanup_branches(
449                dry_run,
450                force,
451                include_stale,
452                stale_days,
453                cleanup_remote,
454                include_non_stack,
455                verbose,
456            )
457            .await
458        }
459        StackAction::Repair => repair_stack_data().await,
460    }
461}
462
463// Public functions for shortcut commands
464pub async fn show(verbose: bool, mergeable: bool) -> Result<()> {
465    show_stack(verbose, mergeable).await
466}
467
468#[allow(clippy::too_many_arguments)]
469pub async fn push(
470    branch: Option<String>,
471    message: Option<String>,
472    commit: Option<String>,
473    since: Option<String>,
474    commits: Option<String>,
475    squash: Option<usize>,
476    squash_since: Option<String>,
477    auto_branch: bool,
478    allow_base_branch: bool,
479    dry_run: bool,
480) -> Result<()> {
481    push_to_stack(
482        branch,
483        message,
484        commit,
485        since,
486        commits,
487        squash,
488        squash_since,
489        auto_branch,
490        allow_base_branch,
491        dry_run,
492    )
493    .await
494}
495
496pub async fn pop(keep_branch: bool) -> Result<()> {
497    pop_from_stack(keep_branch).await
498}
499
500pub async fn land(
501    entry: Option<usize>,
502    force: bool,
503    dry_run: bool,
504    auto: bool,
505    wait_for_builds: bool,
506    strategy: Option<MergeStrategyArg>,
507    build_timeout: u64,
508) -> Result<()> {
509    land_stack(
510        entry,
511        force,
512        dry_run,
513        auto,
514        wait_for_builds,
515        strategy,
516        build_timeout,
517    )
518    .await
519}
520
521pub async fn autoland(
522    force: bool,
523    dry_run: bool,
524    wait_for_builds: bool,
525    strategy: Option<MergeStrategyArg>,
526    build_timeout: u64,
527) -> Result<()> {
528    auto_land_stack(force, dry_run, wait_for_builds, strategy, build_timeout).await
529}
530
531pub async fn sync(
532    force: bool,
533    skip_cleanup: bool,
534    interactive: bool,
535    r#continue: bool,
536) -> Result<()> {
537    if r#continue {
538        continue_sync().await
539    } else {
540        sync_stack(force, skip_cleanup, interactive).await
541    }
542}
543
544pub async fn rebase(
545    interactive: bool,
546    onto: Option<String>,
547    strategy: Option<RebaseStrategyArg>,
548) -> Result<()> {
549    rebase_stack(interactive, onto, strategy).await
550}
551
552pub async fn deactivate(force: bool) -> Result<()> {
553    deactivate_stack(force).await
554}
555
556pub async fn switch(name: String) -> Result<()> {
557    switch_stack(name).await
558}
559
560async fn create_stack(
561    name: String,
562    base: Option<String>,
563    description: Option<String>,
564) -> Result<()> {
565    let current_dir = env::current_dir()
566        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
567
568    let repo_root = find_repository_root(&current_dir)
569        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
570
571    let mut manager = StackManager::new(&repo_root)?;
572    let stack_id = manager.create_stack(name.clone(), base.clone(), description.clone())?;
573
574    // Get the created stack to check its working branch
575    let stack = manager
576        .get_stack(&stack_id)
577        .ok_or_else(|| CascadeError::config("Failed to get created stack"))?;
578
579    // Use the new output format
580    Output::stack_info(
581        &name,
582        &stack_id.to_string(),
583        &stack.base_branch,
584        stack.working_branch.as_deref(),
585        true, // is_active
586    );
587
588    if let Some(desc) = description {
589        Output::sub_item(format!("Description: {desc}"));
590    }
591
592    // Provide helpful guidance based on the working branch situation
593    if stack.working_branch.is_none() {
594        Output::warning(format!(
595            "You're currently on the base branch '{}'",
596            stack.base_branch
597        ));
598        Output::next_steps(&[
599            &format!("Create a feature branch: git checkout -b {name}"),
600            "Make changes and commit them",
601            "Run 'ca push' to add commits to this stack",
602        ]);
603    } else {
604        Output::next_steps(&[
605            "Make changes and commit them",
606            "Run 'ca push' to add commits to this stack",
607            "Use 'ca submit' when ready to create pull requests",
608        ]);
609    }
610
611    Ok(())
612}
613
614async fn list_stacks(verbose: bool, active_only: bool, format: Option<String>) -> Result<()> {
615    let current_dir = env::current_dir()
616        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
617
618    let repo_root = find_repository_root(&current_dir)
619        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
620
621    let manager = StackManager::new(&repo_root)?;
622    let mut stacks = manager.list_stacks();
623
624    if active_only {
625        stacks.retain(|(_, _, _, _, active_marker)| active_marker.is_some());
626    }
627
628    if let Some(ref format) = format {
629        match format.as_str() {
630            "json" => {
631                let mut json_stacks = Vec::new();
632
633                for (stack_id, name, status, entry_count, active_marker) in &stacks {
634                    let (entries_json, working_branch, base_branch) =
635                        if let Some(stack_obj) = manager.get_stack(stack_id) {
636                            let entries_json = stack_obj
637                                .entries
638                                .iter()
639                                .enumerate()
640                                .map(|(idx, entry)| {
641                                    serde_json::json!({
642                                        "position": idx + 1,
643                                        "entry_id": entry.id.to_string(),
644                                        "branch_name": entry.branch.clone(),
645                                        "commit_hash": entry.commit_hash.clone(),
646                                        "short_hash": entry.short_hash(),
647                                        "is_submitted": entry.is_submitted,
648                                        "is_merged": entry.is_merged,
649                                        "pull_request_id": entry.pull_request_id.clone(),
650                                    })
651                                })
652                                .collect::<Vec<_>>();
653
654                            (
655                                entries_json,
656                                stack_obj.working_branch.clone(),
657                                Some(stack_obj.base_branch.clone()),
658                            )
659                        } else {
660                            (Vec::new(), None, None)
661                        };
662
663                    let status_label = format!("{status:?}");
664
665                    json_stacks.push(serde_json::json!({
666                        "id": stack_id.to_string(),
667                        "name": name,
668                        "status": status_label,
669                        "entry_count": entry_count,
670                        "is_active": active_marker.is_some(),
671                        "base_branch": base_branch,
672                        "working_branch": working_branch,
673                        "entries": entries_json,
674                    }));
675                }
676
677                let json_output = serde_json::json!({ "stacks": json_stacks });
678                let serialized = serde_json::to_string_pretty(&json_output)?;
679                println!("{serialized}");
680                return Ok(());
681            }
682            "name" => {
683                for (_, name, _, _, _) in &stacks {
684                    println!("{name}");
685                }
686                return Ok(());
687            }
688            "id" => {
689                for (stack_id, _, _, _, _) in &stacks {
690                    println!("{}", stack_id);
691                }
692                return Ok(());
693            }
694            "status" => {
695                for (_, name, status, _, active_marker) in &stacks {
696                    let status_label = format!("{status:?}");
697                    let marker = if active_marker.is_some() {
698                        " (active)"
699                    } else {
700                        ""
701                    };
702                    println!("{name}: {status_label}{marker}");
703                }
704                return Ok(());
705            }
706            other => {
707                return Err(CascadeError::config(format!(
708                    "Unsupported format '{}'. Supported formats: name, id, status, json",
709                    other
710                )));
711            }
712        }
713    }
714
715    if stacks.is_empty() {
716        if active_only {
717            Output::info("No active stack. Activate one with 'ca stack switch <name>'");
718        } else {
719            Output::info("No stacks found. Create one with: ca stack create <name>");
720        }
721        return Ok(());
722    }
723
724    println!("Stacks:");
725    for (stack_id, name, status, entry_count, active_marker) in stacks {
726        let status_icon = match status {
727            StackStatus::Clean => "✓",
728            StackStatus::Dirty => "~",
729            StackStatus::OutOfSync => "!",
730            StackStatus::Conflicted => "✗",
731            StackStatus::Rebasing => "↔",
732            StackStatus::NeedsSync => "~",
733            StackStatus::Corrupted => "✗",
734        };
735
736        let active_indicator = if active_marker.is_some() {
737            " (active)"
738        } else {
739            ""
740        };
741
742        // Get the actual stack object to access branch information
743        let stack = manager.get_stack(&stack_id);
744
745        if verbose {
746            println!("  {status_icon} {name} [{entry_count}]{active_indicator}");
747            println!("    ID: {stack_id}");
748            if let Some(stack_meta) = manager.get_stack_metadata(&stack_id) {
749                println!("    Base: {}", stack_meta.base_branch);
750                if let Some(desc) = &stack_meta.description {
751                    println!("    Description: {desc}");
752                }
753                println!(
754                    "    Commits: {} total, {} submitted",
755                    stack_meta.total_commits, stack_meta.submitted_commits
756                );
757                if stack_meta.has_conflicts {
758                    Output::warning("    Has conflicts");
759                }
760            }
761
762            // Show branch information in verbose mode
763            if let Some(stack_obj) = stack {
764                if !stack_obj.entries.is_empty() {
765                    println!("    Branches:");
766                    for (i, entry) in stack_obj.entries.iter().enumerate() {
767                        let entry_num = i + 1;
768                        let submitted_indicator = if entry.is_submitted {
769                            "[submitted]"
770                        } else {
771                            ""
772                        };
773                        let branch_name = &entry.branch;
774                        let short_message = if entry.message.len() > 40 {
775                            format!("{}...", &entry.message[..37])
776                        } else {
777                            entry.message.clone()
778                        };
779                        println!("      {entry_num}. {submitted_indicator} {branch_name} - {short_message}");
780                    }
781                }
782            }
783            println!();
784        } else {
785            // Show compact branch info in non-verbose mode
786            let branch_info = if let Some(stack_obj) = stack {
787                if stack_obj.entries.is_empty() {
788                    String::new()
789                } else if stack_obj.entries.len() == 1 {
790                    format!(" → {}", stack_obj.entries[0].branch)
791                } else {
792                    let first_branch = &stack_obj.entries[0].branch;
793                    let last_branch = &stack_obj.entries.last().unwrap().branch;
794                    format!(" → {first_branch} … {last_branch}")
795                }
796            } else {
797                String::new()
798            };
799
800            println!("  {status_icon} {name} [{entry_count}]{branch_info}{active_indicator}");
801        }
802    }
803
804    if !verbose {
805        println!("\nUse --verbose for more details");
806    }
807
808    Ok(())
809}
810
811async fn switch_stack(name: String) -> Result<()> {
812    let current_dir = env::current_dir()
813        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
814
815    let repo_root = find_repository_root(&current_dir)
816        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
817
818    let mut manager = StackManager::new(&repo_root)?;
819    let repo = GitRepository::open(&repo_root)?;
820
821    // Get stack information before switching
822    let stack = manager
823        .get_stack_by_name(&name)
824        .ok_or_else(|| CascadeError::config(format!("Stack '{name}' not found")))?;
825
826    // Determine the target branch and provide appropriate messaging
827    if let Some(working_branch) = &stack.working_branch {
828        // Stack has a working branch - try to switch to it
829        let current_branch = repo.get_current_branch().ok();
830
831        if current_branch.as_ref() != Some(working_branch) {
832            Output::progress(format!(
833                "Switching to stack working branch: {working_branch}"
834            ));
835
836            // Check if target branch exists
837            if repo.branch_exists(working_branch) {
838                match repo.checkout_branch(working_branch) {
839                    Ok(_) => {
840                        Output::success(format!("Checked out branch: {working_branch}"));
841                    }
842                    Err(e) => {
843                        Output::warning(format!("Failed to checkout '{working_branch}': {e}"));
844                        Output::sub_item("Stack activated but stayed on current branch");
845                        Output::sub_item(format!(
846                            "You can manually checkout with: git checkout {working_branch}"
847                        ));
848                    }
849                }
850            } else {
851                Output::warning(format!(
852                    "Stack working branch '{working_branch}' doesn't exist locally"
853                ));
854                Output::sub_item("Stack activated but stayed on current branch");
855                Output::sub_item(format!(
856                    "You may need to fetch from remote: git fetch origin {working_branch}"
857                ));
858            }
859        } else {
860            Output::success(format!("Already on stack working branch: {working_branch}"));
861        }
862    } else {
863        // No working branch - provide guidance
864        Output::warning(format!("Stack '{name}' has no working branch set"));
865        Output::sub_item(
866            "This typically happens when a stack was created while on the base branch",
867        );
868
869        Output::tip("To start working on this stack:");
870        Output::bullet(format!("Create a feature branch: git checkout -b {name}"));
871        Output::bullet("The stack will automatically track this as its working branch");
872        Output::bullet("Then use 'ca push' to add commits to the stack");
873
874        Output::sub_item(format!("Base branch: {}", stack.base_branch));
875    }
876
877    // Activate the stack (this will record the correct current branch)
878    manager.set_active_stack_by_name(&name)?;
879    Output::success(format!("Switched to stack '{name}'"));
880
881    Ok(())
882}
883
884async fn deactivate_stack(force: bool) -> Result<()> {
885    let current_dir = env::current_dir()
886        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
887
888    let repo_root = find_repository_root(&current_dir)
889        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
890
891    let mut manager = StackManager::new(&repo_root)?;
892
893    let active_stack = manager.get_active_stack();
894
895    if active_stack.is_none() {
896        Output::info("No active stack to deactivate");
897        return Ok(());
898    }
899
900    let stack_name = active_stack.unwrap().name.clone();
901
902    if !force {
903        Output::warning(format!(
904            "This will deactivate stack '{stack_name}' and return to normal Git workflow"
905        ));
906        Output::sub_item(format!(
907            "You can reactivate it later with 'ca stacks switch {stack_name}'"
908        ));
909        // Interactive confirmation to deactivate stack
910        let should_deactivate = Confirm::with_theme(&ColorfulTheme::default())
911            .with_prompt("Continue with deactivation?")
912            .default(false)
913            .interact()
914            .map_err(|e| CascadeError::config(format!("Failed to get user confirmation: {e}")))?;
915
916        if !should_deactivate {
917            Output::info("Cancelled deactivation");
918            return Ok(());
919        }
920    }
921
922    // Deactivate the stack
923    manager.set_active_stack(None)?;
924
925    Output::success(format!("Deactivated stack '{stack_name}'"));
926    Output::sub_item("Stack management is now OFF - you can use normal Git workflow");
927    Output::sub_item(format!("To reactivate: ca stacks switch {stack_name}"));
928
929    Ok(())
930}
931
932async fn show_stack(verbose: bool, show_mergeable: bool) -> Result<()> {
933    let current_dir = env::current_dir()
934        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
935
936    let repo_root = find_repository_root(&current_dir)
937        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
938
939    let stack_manager = StackManager::new(&repo_root)?;
940
941    // Get stack information first to avoid borrow conflicts
942    let (stack_id, stack_name, stack_base, stack_working, stack_entries) = {
943        let active_stack = stack_manager.get_active_stack().ok_or_else(|| {
944            CascadeError::config(
945                "No active stack. Use 'ca stacks create' or 'ca stacks switch' to select a stack"
946                    .to_string(),
947            )
948        })?;
949
950        (
951            active_stack.id,
952            active_stack.name.clone(),
953            active_stack.base_branch.clone(),
954            active_stack.working_branch.clone(),
955            active_stack.entries.clone(),
956        )
957    };
958
959    // Use the new output format for stack info
960    Output::stack_info(
961        &stack_name,
962        &stack_id.to_string(),
963        &stack_base,
964        stack_working.as_deref(),
965        true, // is_active
966    );
967    Output::sub_item(format!("Total entries: {}", stack_entries.len()));
968
969    if stack_entries.is_empty() {
970        Output::info("No entries in this stack yet");
971        Output::tip("Use 'ca push' to add commits to this stack");
972        return Ok(());
973    }
974
975    // Show entries
976    Output::section("Stack Entries");
977    for (i, entry) in stack_entries.iter().enumerate() {
978        let entry_num = i + 1;
979        let short_hash = entry.short_hash();
980        let short_msg = entry.short_message(50);
981
982        // Get source branch information for pending entries only
983        // (submitted entries have their own branch, so source is no longer relevant)
984        let metadata = stack_manager.get_repository_metadata();
985        let source_branch_info = if !entry.is_submitted {
986            if let Some(commit_meta) = metadata.get_commit(&entry.commit_hash) {
987                if commit_meta.source_branch != commit_meta.branch
988                    && !commit_meta.source_branch.is_empty()
989                {
990                    format!(" (from {})", commit_meta.source_branch)
991                } else {
992                    String::new()
993                }
994            } else {
995                String::new()
996            }
997        } else {
998            String::new()
999        };
1000
1001        // Use colored status: pending (yellow), submitted (muted green)
1002        let status_colored = Output::entry_status(entry.is_submitted, false);
1003
1004        Output::numbered_item(
1005            entry_num,
1006            format!("{short_hash} {status_colored} {short_msg}{source_branch_info}"),
1007        );
1008
1009        if verbose {
1010            Output::sub_item(format!("Branch: {}", entry.branch));
1011            Output::sub_item(format!(
1012                "Created: {}",
1013                entry.created_at.format("%Y-%m-%d %H:%M")
1014            ));
1015            if let Some(pr_id) = &entry.pull_request_id {
1016                Output::sub_item(format!("PR: #{pr_id}"));
1017            }
1018
1019            // Display full commit message
1020            Output::sub_item("Commit Message:");
1021            let lines: Vec<&str> = entry.message.lines().collect();
1022            for line in lines {
1023                Output::sub_item(format!("  {line}"));
1024            }
1025        }
1026    }
1027
1028    // Enhanced PR status if requested and available
1029    if show_mergeable {
1030        Output::section("Mergability Status");
1031
1032        // Load configuration and create Bitbucket integration
1033        let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
1034        let config_path = config_dir.join("config.json");
1035        let settings = crate::config::Settings::load_from_file(&config_path)?;
1036
1037        let cascade_config = crate::config::CascadeConfig {
1038            bitbucket: Some(settings.bitbucket.clone()),
1039            git: settings.git.clone(),
1040            auth: crate::config::AuthConfig::default(),
1041            cascade: settings.cascade.clone(),
1042        };
1043
1044        let mut integration =
1045            crate::bitbucket::BitbucketIntegration::new(stack_manager, cascade_config)?;
1046
1047        match integration.check_enhanced_stack_status(&stack_id).await {
1048            Ok(status) => {
1049                Output::bullet(format!("Total entries: {}", status.total_entries));
1050                Output::bullet(format!("Submitted: {}", status.submitted_entries));
1051                Output::bullet(format!("Open PRs: {}", status.open_prs));
1052                Output::bullet(format!("Merged PRs: {}", status.merged_prs));
1053                Output::bullet(format!("Declined PRs: {}", status.declined_prs));
1054                Output::bullet(format!(
1055                    "Completion: {:.1}%",
1056                    status.completion_percentage()
1057                ));
1058
1059                if !status.enhanced_statuses.is_empty() {
1060                    Output::section("Pull Request Status");
1061                    let mut ready_to_land = 0;
1062
1063                    for enhanced in &status.enhanced_statuses {
1064                        let status_display = enhanced.get_display_status();
1065                        let ready_icon = if enhanced.is_ready_to_land() {
1066                            ready_to_land += 1;
1067                            "[READY]"
1068                        } else {
1069                            "[PENDING]"
1070                        };
1071
1072                        Output::bullet(format!(
1073                            "{} PR #{}: {} ({})",
1074                            ready_icon, enhanced.pr.id, enhanced.pr.title, status_display
1075                        ));
1076
1077                        if verbose {
1078                            println!(
1079                                "      {} -> {}",
1080                                enhanced.pr.from_ref.display_id, enhanced.pr.to_ref.display_id
1081                            );
1082
1083                            // Show blocking reasons if not ready
1084                            if !enhanced.is_ready_to_land() {
1085                                let blocking = enhanced.get_blocking_reasons();
1086                                if !blocking.is_empty() {
1087                                    println!("      Blocking: {}", blocking.join(", "));
1088                                }
1089                            }
1090
1091                            // Show review details (actual count from Bitbucket)
1092                            println!(
1093                                "      Reviews: {} approval{}",
1094                                enhanced.review_status.current_approvals,
1095                                if enhanced.review_status.current_approvals == 1 {
1096                                    ""
1097                                } else {
1098                                    "s"
1099                                }
1100                            );
1101
1102                            if enhanced.review_status.needs_work_count > 0 {
1103                                println!(
1104                                    "      {} reviewers requested changes",
1105                                    enhanced.review_status.needs_work_count
1106                                );
1107                            }
1108
1109                            // Show build status
1110                            if let Some(build) = &enhanced.build_status {
1111                                let build_icon = match build.state {
1112                                    crate::bitbucket::pull_request::BuildState::Successful => "✓",
1113                                    crate::bitbucket::pull_request::BuildState::Failed => "✗",
1114                                    crate::bitbucket::pull_request::BuildState::InProgress => "~",
1115                                    _ => "○",
1116                                };
1117                                println!("      Build: {} {:?}", build_icon, build.state);
1118                            }
1119
1120                            if let Some(url) = enhanced.pr.web_url() {
1121                                println!("      URL: {url}");
1122                            }
1123                            println!();
1124                        }
1125                    }
1126
1127                    if ready_to_land > 0 {
1128                        println!(
1129                            "\n🎯 {} PR{} ready to land! Use 'ca land' to land them all.",
1130                            ready_to_land,
1131                            if ready_to_land == 1 { " is" } else { "s are" }
1132                        );
1133                    }
1134                }
1135            }
1136            Err(e) => {
1137                tracing::debug!("Failed to get enhanced stack status: {}", e);
1138                Output::warning("Could not fetch mergability status");
1139                Output::sub_item("Use 'ca stack show --verbose' for basic PR information");
1140            }
1141        }
1142    } else {
1143        // Original PR status display for compatibility
1144        let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
1145        let config_path = config_dir.join("config.json");
1146        let settings = crate::config::Settings::load_from_file(&config_path)?;
1147
1148        let cascade_config = crate::config::CascadeConfig {
1149            bitbucket: Some(settings.bitbucket.clone()),
1150            git: settings.git.clone(),
1151            auth: crate::config::AuthConfig::default(),
1152            cascade: settings.cascade.clone(),
1153        };
1154
1155        let integration =
1156            crate::bitbucket::BitbucketIntegration::new(stack_manager, cascade_config)?;
1157
1158        match integration.check_stack_status(&stack_id).await {
1159            Ok(status) => {
1160                println!("\nPull Request Status:");
1161                println!("   Total entries: {}", status.total_entries);
1162                println!("   Submitted: {}", status.submitted_entries);
1163                println!("   Open PRs: {}", status.open_prs);
1164                println!("   Merged PRs: {}", status.merged_prs);
1165                println!("   Declined PRs: {}", status.declined_prs);
1166                println!("   Completion: {:.1}%", status.completion_percentage());
1167
1168                if !status.pull_requests.is_empty() {
1169                    println!("\nPull Requests:");
1170                    for pr in &status.pull_requests {
1171                        let state_icon = match pr.state {
1172                            crate::bitbucket::PullRequestState::Open => "→",
1173                            crate::bitbucket::PullRequestState::Merged => "✓",
1174                            crate::bitbucket::PullRequestState::Declined => "✗",
1175                        };
1176                        println!(
1177                            "   {} PR #{}: {} ({} -> {})",
1178                            state_icon,
1179                            pr.id,
1180                            pr.title,
1181                            pr.from_ref.display_id,
1182                            pr.to_ref.display_id
1183                        );
1184                        if let Some(url) = pr.web_url() {
1185                            println!("      URL: {url}");
1186                        }
1187                    }
1188                }
1189
1190                println!();
1191                Output::tip("Use 'ca stack --mergeable' to see detailed status including build and review information");
1192            }
1193            Err(e) => {
1194                tracing::debug!("Failed to check stack status: {}", e);
1195            }
1196        }
1197    }
1198
1199    Ok(())
1200}
1201
1202#[allow(clippy::too_many_arguments)]
1203async fn push_to_stack(
1204    branch: Option<String>,
1205    message: Option<String>,
1206    commit: Option<String>,
1207    since: Option<String>,
1208    commits: Option<String>,
1209    squash: Option<usize>,
1210    squash_since: Option<String>,
1211    auto_branch: bool,
1212    allow_base_branch: bool,
1213    dry_run: bool,
1214) -> Result<()> {
1215    let current_dir = env::current_dir()
1216        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
1217
1218    let repo_root = find_repository_root(&current_dir)
1219        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
1220
1221    let mut manager = StackManager::new(&repo_root)?;
1222    let repo = GitRepository::open(&repo_root)?;
1223
1224    // Check for branch changes and prompt user if needed
1225    if !manager.check_for_branch_change()? {
1226        return Ok(()); // User chose to cancel or deactivate stack
1227    }
1228
1229    // Get the active stack to check base branch
1230    let active_stack = manager.get_active_stack().ok_or_else(|| {
1231        CascadeError::config("No active stack. Create a stack first with 'ca stack create'")
1232    })?;
1233
1234    // 🛡️ BASE BRANCH PROTECTION
1235    let current_branch = repo.get_current_branch()?;
1236    let base_branch = &active_stack.base_branch;
1237
1238    if current_branch == *base_branch {
1239        Output::error(format!(
1240            "You're currently on the base branch '{base_branch}'"
1241        ));
1242        Output::sub_item("Making commits directly on the base branch is not recommended.");
1243        Output::sub_item("This can pollute the base branch with work-in-progress commits.");
1244
1245        // Check if user explicitly allowed base branch work
1246        if allow_base_branch {
1247            Output::warning("Proceeding anyway due to --allow-base-branch flag");
1248        } else {
1249            // Check if we have uncommitted changes
1250            let has_changes = repo.is_dirty()?;
1251
1252            if has_changes {
1253                if auto_branch {
1254                    // Auto-create branch and commit changes
1255                    let feature_branch = format!("feature/{}-work", active_stack.name);
1256                    Output::progress(format!(
1257                        "Auto-creating feature branch '{feature_branch}'..."
1258                    ));
1259
1260                    repo.create_branch(&feature_branch, None)?;
1261                    repo.checkout_branch(&feature_branch)?;
1262
1263                    Output::success(format!("Created and switched to '{feature_branch}'"));
1264                    println!("   You can now commit and push your changes safely");
1265
1266                    // Continue with normal flow
1267                } else {
1268                    println!("\nYou have uncommitted changes. Here are your options:");
1269                    println!("   1. Create a feature branch first:");
1270                    println!("      git checkout -b feature/my-work");
1271                    println!("      git commit -am \"your work\"");
1272                    println!("      ca push");
1273                    println!("\n   2. Auto-create a branch (recommended):");
1274                    println!("      ca push --auto-branch");
1275                    println!("\n   3. Force push to base branch (dangerous):");
1276                    println!("      ca push --allow-base-branch");
1277
1278                    return Err(CascadeError::config(
1279                        "Refusing to push uncommitted changes from base branch. Use one of the options above."
1280                    ));
1281                }
1282            } else {
1283                // Check if there are existing commits to push
1284                let commits_to_check = if let Some(commits_str) = &commits {
1285                    commits_str
1286                        .split(',')
1287                        .map(|s| s.trim().to_string())
1288                        .collect::<Vec<String>>()
1289                } else if let Some(since_ref) = &since {
1290                    let since_commit = repo.resolve_reference(since_ref)?;
1291                    let head_commit = repo.get_head_commit()?;
1292                    let commits = repo.get_commits_between(
1293                        &since_commit.id().to_string(),
1294                        &head_commit.id().to_string(),
1295                    )?;
1296                    commits.into_iter().map(|c| c.id().to_string()).collect()
1297                } else if commit.is_none() {
1298                    let mut unpushed = Vec::new();
1299                    let head_commit = repo.get_head_commit()?;
1300                    let mut current_commit = head_commit;
1301
1302                    loop {
1303                        let commit_hash = current_commit.id().to_string();
1304                        let already_in_stack = active_stack
1305                            .entries
1306                            .iter()
1307                            .any(|entry| entry.commit_hash == commit_hash);
1308
1309                        if already_in_stack {
1310                            break;
1311                        }
1312
1313                        unpushed.push(commit_hash);
1314
1315                        if let Some(parent) = current_commit.parents().next() {
1316                            current_commit = parent;
1317                        } else {
1318                            break;
1319                        }
1320                    }
1321
1322                    unpushed.reverse();
1323                    unpushed
1324                } else {
1325                    vec![repo.get_head_commit()?.id().to_string()]
1326                };
1327
1328                if !commits_to_check.is_empty() {
1329                    if auto_branch {
1330                        // Auto-create feature branch and cherry-pick commits
1331                        let feature_branch = format!("feature/{}-work", active_stack.name);
1332                        Output::progress(format!(
1333                            "Auto-creating feature branch '{feature_branch}'..."
1334                        ));
1335
1336                        repo.create_branch(&feature_branch, Some(base_branch))?;
1337                        repo.checkout_branch(&feature_branch)?;
1338
1339                        // Cherry-pick the commits to the new branch
1340                        println!(
1341                            "🍒 Cherry-picking {} commit(s) to new branch...",
1342                            commits_to_check.len()
1343                        );
1344                        for commit_hash in &commits_to_check {
1345                            match repo.cherry_pick(commit_hash) {
1346                                Ok(_) => println!("   ✅ Cherry-picked {}", &commit_hash[..8]),
1347                                Err(e) => {
1348                                    Output::error(format!(
1349                                        "Failed to cherry-pick {}: {}",
1350                                        &commit_hash[..8],
1351                                        e
1352                                    ));
1353                                    Output::tip("You may need to resolve conflicts manually");
1354                                    return Err(CascadeError::branch(format!(
1355                                        "Failed to cherry-pick commit {commit_hash}: {e}"
1356                                    )));
1357                                }
1358                            }
1359                        }
1360
1361                        println!(
1362                            "✅ Successfully moved {} commit(s) to '{feature_branch}'",
1363                            commits_to_check.len()
1364                        );
1365                        println!(
1366                            "   You're now on the feature branch and can continue with 'ca push'"
1367                        );
1368
1369                        // Continue with normal flow
1370                    } else {
1371                        println!(
1372                            "\n💡 Found {} commit(s) to push from base branch '{base_branch}'",
1373                            commits_to_check.len()
1374                        );
1375                        println!("   These commits are currently ON the base branch, which may not be intended.");
1376                        println!("\n   Options:");
1377                        println!("   1. Auto-create feature branch and cherry-pick commits:");
1378                        println!("      ca push --auto-branch");
1379                        println!("\n   2. Manually create branch and move commits:");
1380                        println!("      git checkout -b feature/my-work");
1381                        println!("      ca push");
1382                        println!("\n   3. Force push from base branch (not recommended):");
1383                        println!("      ca push --allow-base-branch");
1384
1385                        return Err(CascadeError::config(
1386                            "Refusing to push commits from base branch. Use --auto-branch or create a feature branch manually."
1387                        ));
1388                    }
1389                }
1390            }
1391        }
1392    }
1393
1394    // Handle squash operations first
1395    if let Some(squash_count) = squash {
1396        if squash_count == 0 {
1397            // User used --squash without specifying count, auto-detect unpushed commits
1398            let active_stack = manager.get_active_stack().ok_or_else(|| {
1399                CascadeError::config(
1400                    "No active stack. Create a stack first with 'ca stacks create'",
1401                )
1402            })?;
1403
1404            let unpushed_count = get_unpushed_commits(&repo, active_stack)?.len();
1405
1406            if unpushed_count == 0 {
1407                Output::info("  No unpushed commits to squash");
1408            } else if unpushed_count == 1 {
1409                Output::info("  Only 1 unpushed commit, no squashing needed");
1410            } else {
1411                println!(" Auto-detected {unpushed_count} unpushed commits, squashing...");
1412                squash_commits(&repo, unpushed_count, None).await?;
1413                Output::success(" Squashed {unpushed_count} unpushed commits into one");
1414            }
1415        } else {
1416            println!(" Squashing last {squash_count} commits...");
1417            squash_commits(&repo, squash_count, None).await?;
1418            Output::success(" Squashed {squash_count} commits into one");
1419        }
1420    } else if let Some(since_ref) = squash_since {
1421        println!(" Squashing commits since {since_ref}...");
1422        let since_commit = repo.resolve_reference(&since_ref)?;
1423        let commits_count = count_commits_since(&repo, &since_commit.id().to_string())?;
1424        squash_commits(&repo, commits_count, Some(since_ref.clone())).await?;
1425        Output::success(" Squashed {commits_count} commits since {since_ref} into one");
1426    }
1427
1428    // Determine which commits to push
1429    let commits_to_push = if let Some(commits_str) = commits {
1430        // Parse comma-separated commit hashes
1431        commits_str
1432            .split(',')
1433            .map(|s| s.trim().to_string())
1434            .collect::<Vec<String>>()
1435    } else if let Some(since_ref) = since {
1436        // Get commits since the specified reference
1437        let since_commit = repo.resolve_reference(&since_ref)?;
1438        let head_commit = repo.get_head_commit()?;
1439
1440        // Get commits between since_ref and HEAD
1441        let commits = repo.get_commits_between(
1442            &since_commit.id().to_string(),
1443            &head_commit.id().to_string(),
1444        )?;
1445        commits.into_iter().map(|c| c.id().to_string()).collect()
1446    } else if let Some(hash) = commit {
1447        // Single specific commit
1448        vec![hash]
1449    } else {
1450        // Default: Get all unpushed commits (commits on current branch but not on base branch)
1451        let active_stack = manager.get_active_stack().ok_or_else(|| {
1452            CascadeError::config("No active stack. Create a stack first with 'ca stacks create'")
1453        })?;
1454
1455        // Get commits that are on current branch but not on the base branch
1456        let base_branch = &active_stack.base_branch;
1457        let current_branch = repo.get_current_branch()?;
1458
1459        // If we're on the base branch, only include commits that aren't already in the stack
1460        if current_branch == *base_branch {
1461            let mut unpushed = Vec::new();
1462            let head_commit = repo.get_head_commit()?;
1463            let mut current_commit = head_commit;
1464
1465            // Walk back from HEAD until we find a commit that's already in the stack
1466            loop {
1467                let commit_hash = current_commit.id().to_string();
1468                let already_in_stack = active_stack
1469                    .entries
1470                    .iter()
1471                    .any(|entry| entry.commit_hash == commit_hash);
1472
1473                if already_in_stack {
1474                    break;
1475                }
1476
1477                unpushed.push(commit_hash);
1478
1479                // Move to parent commit
1480                if let Some(parent) = current_commit.parents().next() {
1481                    current_commit = parent;
1482                } else {
1483                    break;
1484                }
1485            }
1486
1487            unpushed.reverse(); // Reverse to get chronological order
1488            unpushed
1489        } else {
1490            // Use git's commit range calculation to find commits on current branch but not on base
1491            match repo.get_commits_between(base_branch, &current_branch) {
1492                Ok(commits) => {
1493                    let mut unpushed: Vec<String> =
1494                        commits.into_iter().map(|c| c.id().to_string()).collect();
1495
1496                    // Filter out commits that are already in the stack
1497                    unpushed.retain(|commit_hash| {
1498                        !active_stack
1499                            .entries
1500                            .iter()
1501                            .any(|entry| entry.commit_hash == *commit_hash)
1502                    });
1503
1504                    unpushed.reverse(); // Reverse to get chronological order (oldest first)
1505                    unpushed
1506                }
1507                Err(e) => {
1508                    return Err(CascadeError::branch(format!(
1509                            "Failed to calculate commits between '{base_branch}' and '{current_branch}': {e}. \
1510                             This usually means the branches have diverged or don't share common history."
1511                        )));
1512                }
1513            }
1514        }
1515    };
1516
1517    if commits_to_push.is_empty() {
1518        Output::info("  No commits to push to stack");
1519        return Ok(());
1520    }
1521
1522    // 🛡️ SAFEGUARDS: Analyze commits before pushing
1523    analyze_commits_for_safeguards(&commits_to_push, &repo, dry_run).await?;
1524
1525    // Early return for dry run mode
1526    if dry_run {
1527        return Ok(());
1528    }
1529
1530    // Push each commit to the stack
1531    let mut pushed_count = 0;
1532    let mut source_branches = std::collections::HashSet::new();
1533
1534    for (i, commit_hash) in commits_to_push.iter().enumerate() {
1535        let commit_obj = repo.get_commit(commit_hash)?;
1536        let commit_msg = commit_obj.message().unwrap_or("").to_string();
1537
1538        // Check which branch this commit belongs to
1539        let commit_source_branch = repo
1540            .find_branch_containing_commit(commit_hash)
1541            .unwrap_or_else(|_| current_branch.clone());
1542        source_branches.insert(commit_source_branch.clone());
1543
1544        // Generate branch name (use provided branch for first commit, generate for others)
1545        let branch_name = if i == 0 && branch.is_some() {
1546            branch.clone().unwrap()
1547        } else {
1548            // Create a temporary GitRepository for branch name generation
1549            let temp_repo = GitRepository::open(&repo_root)?;
1550            let branch_mgr = crate::git::BranchManager::new(temp_repo);
1551            branch_mgr.generate_branch_name(&commit_msg)
1552        };
1553
1554        // Use provided message for first commit, original message for others
1555        let final_message = if i == 0 && message.is_some() {
1556            message.clone().unwrap()
1557        } else {
1558            commit_msg.clone()
1559        };
1560
1561        let entry_id = manager.push_to_stack(
1562            branch_name.clone(),
1563            commit_hash.clone(),
1564            final_message.clone(),
1565            commit_source_branch.clone(),
1566        )?;
1567        pushed_count += 1;
1568
1569        Output::success(format!(
1570            "Pushed commit {}/{} to stack",
1571            i + 1,
1572            commits_to_push.len()
1573        ));
1574        Output::sub_item(format!(
1575            "Commit: {} ({})",
1576            &commit_hash[..8],
1577            commit_msg.split('\n').next().unwrap_or("")
1578        ));
1579        Output::sub_item(format!("Branch: {branch_name}"));
1580        Output::sub_item(format!("Source: {commit_source_branch}"));
1581        Output::sub_item(format!("Entry ID: {entry_id}"));
1582        println!();
1583    }
1584
1585    // 🚨 SCATTERED COMMIT WARNING
1586    if source_branches.len() > 1 {
1587        Output::warning("Scattered Commit Detection");
1588        Output::sub_item(format!(
1589            "You've pushed commits from {} different Git branches:",
1590            source_branches.len()
1591        ));
1592        for branch in &source_branches {
1593            Output::bullet(branch.to_string());
1594        }
1595
1596        Output::section("This can lead to confusion because:");
1597        Output::bullet("Stack appears sequential but commits are scattered across branches");
1598        Output::bullet("Team members won't know which branch contains which work");
1599        Output::bullet("Branch cleanup becomes unclear after merge");
1600        Output::bullet("Rebase operations become more complex");
1601
1602        Output::tip("Consider consolidating work to a single feature branch:");
1603        Output::bullet("Create a new feature branch: git checkout -b feature/consolidated-work");
1604        Output::bullet("Cherry-pick commits in order: git cherry-pick <commit1> <commit2> ...");
1605        Output::bullet("Delete old scattered branches");
1606        Output::bullet("Push the consolidated branch to your stack");
1607        println!();
1608    }
1609
1610    Output::success(format!(
1611        "Successfully pushed {} commit{} to stack",
1612        pushed_count,
1613        if pushed_count == 1 { "" } else { "s" }
1614    ));
1615
1616    Ok(())
1617}
1618
1619async fn pop_from_stack(keep_branch: bool) -> Result<()> {
1620    let current_dir = env::current_dir()
1621        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
1622
1623    let repo_root = find_repository_root(&current_dir)
1624        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
1625
1626    let mut manager = StackManager::new(&repo_root)?;
1627    let repo = GitRepository::open(&repo_root)?;
1628
1629    let entry = manager.pop_from_stack()?;
1630
1631    Output::success("Popped commit from stack");
1632    Output::sub_item(format!(
1633        "Commit: {} ({})",
1634        entry.short_hash(),
1635        entry.short_message(50)
1636    ));
1637    Output::sub_item(format!("Branch: {}", entry.branch));
1638
1639    // Delete branch if requested and it's not the current branch
1640    if !keep_branch && entry.branch != repo.get_current_branch()? {
1641        match repo.delete_branch(&entry.branch) {
1642            Ok(_) => Output::sub_item(format!("Deleted branch: {}", entry.branch)),
1643            Err(e) => Output::warning(format!("Could not delete branch {}: {}", entry.branch, e)),
1644        }
1645    }
1646
1647    Ok(())
1648}
1649
1650async fn submit_entry(
1651    entry: Option<usize>,
1652    title: Option<String>,
1653    description: Option<String>,
1654    range: Option<String>,
1655    draft: bool,
1656    open: bool,
1657) -> Result<()> {
1658    let current_dir = env::current_dir()
1659        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
1660
1661    let repo_root = find_repository_root(&current_dir)
1662        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
1663
1664    let mut stack_manager = StackManager::new(&repo_root)?;
1665
1666    // Check for branch changes and prompt user if needed
1667    if !stack_manager.check_for_branch_change()? {
1668        return Ok(()); // User chose to cancel or deactivate stack
1669    }
1670
1671    // Load configuration first
1672    let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
1673    let config_path = config_dir.join("config.json");
1674    let settings = crate::config::Settings::load_from_file(&config_path)?;
1675
1676    // Create the main config structure
1677    let cascade_config = crate::config::CascadeConfig {
1678        bitbucket: Some(settings.bitbucket.clone()),
1679        git: settings.git.clone(),
1680        auth: crate::config::AuthConfig::default(),
1681        cascade: settings.cascade.clone(),
1682    };
1683
1684    // Get the active stack
1685    let active_stack = stack_manager.get_active_stack().ok_or_else(|| {
1686        CascadeError::config("No active stack. Create a stack first with 'ca stack create'")
1687    })?;
1688    let stack_id = active_stack.id;
1689
1690    // Determine which entries to submit
1691    let entries_to_submit = if let Some(range_str) = range {
1692        // Parse range (e.g., "1-3" or "2,4,6")
1693        let mut entries = Vec::new();
1694
1695        if range_str.contains('-') {
1696            // Handle range like "1-3"
1697            let parts: Vec<&str> = range_str.split('-').collect();
1698            if parts.len() != 2 {
1699                return Err(CascadeError::config(
1700                    "Invalid range format. Use 'start-end' (e.g., '1-3')",
1701                ));
1702            }
1703
1704            let start: usize = parts[0]
1705                .parse()
1706                .map_err(|_| CascadeError::config("Invalid start number in range"))?;
1707            let end: usize = parts[1]
1708                .parse()
1709                .map_err(|_| CascadeError::config("Invalid end number in range"))?;
1710
1711            if start == 0
1712                || end == 0
1713                || start > active_stack.entries.len()
1714                || end > active_stack.entries.len()
1715            {
1716                return Err(CascadeError::config(format!(
1717                    "Range out of bounds. Stack has {} entries",
1718                    active_stack.entries.len()
1719                )));
1720            }
1721
1722            for i in start..=end {
1723                entries.push((i, active_stack.entries[i - 1].clone()));
1724            }
1725        } else {
1726            // Handle comma-separated list like "2,4,6"
1727            for entry_str in range_str.split(',') {
1728                let entry_num: usize = entry_str.trim().parse().map_err(|_| {
1729                    CascadeError::config(format!("Invalid entry number: {entry_str}"))
1730                })?;
1731
1732                if entry_num == 0 || entry_num > active_stack.entries.len() {
1733                    return Err(CascadeError::config(format!(
1734                        "Entry {} out of bounds. Stack has {} entries",
1735                        entry_num,
1736                        active_stack.entries.len()
1737                    )));
1738                }
1739
1740                entries.push((entry_num, active_stack.entries[entry_num - 1].clone()));
1741            }
1742        }
1743
1744        entries
1745    } else if let Some(entry_num) = entry {
1746        // Single entry specified
1747        if entry_num == 0 || entry_num > active_stack.entries.len() {
1748            return Err(CascadeError::config(format!(
1749                "Invalid entry number: {}. Stack has {} entries",
1750                entry_num,
1751                active_stack.entries.len()
1752            )));
1753        }
1754        vec![(entry_num, active_stack.entries[entry_num - 1].clone())]
1755    } else {
1756        // Default: Submit all unsubmitted entries
1757        active_stack
1758            .entries
1759            .iter()
1760            .enumerate()
1761            .filter(|(_, entry)| !entry.is_submitted)
1762            .map(|(i, entry)| (i + 1, entry.clone())) // Convert to 1-based indexing
1763            .collect::<Vec<(usize, _)>>()
1764    };
1765
1766    if entries_to_submit.is_empty() {
1767        Output::info("No entries to submit");
1768        return Ok(());
1769    }
1770
1771    // Professional output for submission
1772    Output::section(format!(
1773        "Submitting {} {}",
1774        entries_to_submit.len(),
1775        if entries_to_submit.len() == 1 {
1776            "entry"
1777        } else {
1778            "entries"
1779        }
1780    ));
1781    println!();
1782
1783    // Create a new StackManager for the integration (since the original was moved)
1784    let integration_stack_manager = StackManager::new(&repo_root)?;
1785    let mut integration =
1786        BitbucketIntegration::new(integration_stack_manager, cascade_config.clone())?;
1787
1788    // Submit each entry
1789    let mut submitted_count = 0;
1790    let mut failed_entries = Vec::new();
1791    let mut pr_urls = Vec::new(); // Collect URLs to open
1792    let total_entries = entries_to_submit.len();
1793
1794    for (entry_num, entry_to_submit) in &entries_to_submit {
1795        // Show what we're submitting
1796        let tree_char = if entries_to_submit.len() == 1 {
1797            "→"
1798        } else if entry_num == &entries_to_submit.len() {
1799            "└─"
1800        } else {
1801            "├─"
1802        };
1803        print!(
1804            "   {} Entry {}: {}... ",
1805            tree_char, entry_num, entry_to_submit.branch
1806        );
1807        std::io::Write::flush(&mut std::io::stdout()).ok();
1808
1809        // Use provided title/description only for first entry or single entry submissions
1810        let entry_title = if total_entries == 1 {
1811            title.clone()
1812        } else {
1813            None
1814        };
1815        let entry_description = if total_entries == 1 {
1816            description.clone()
1817        } else {
1818            None
1819        };
1820
1821        match integration
1822            .submit_entry(
1823                &stack_id,
1824                &entry_to_submit.id,
1825                entry_title,
1826                entry_description,
1827                draft,
1828            )
1829            .await
1830        {
1831            Ok(pr) => {
1832                submitted_count += 1;
1833                Output::success(format!("PR #{}", pr.id));
1834                if let Some(url) = pr.web_url() {
1835                    Output::sub_item(format!(
1836                        "{} → {}",
1837                        pr.from_ref.display_id, pr.to_ref.display_id
1838                    ));
1839                    Output::sub_item(format!("URL: {url}"));
1840                    pr_urls.push(url); // Collect for opening later
1841                }
1842            }
1843            Err(e) => {
1844                Output::error("Failed");
1845                // Extract clean error message (remove git stderr noise)
1846                let clean_error = if e.to_string().contains("non-fast-forward") {
1847                    "Branch has diverged (was rebased after initial submission). Update to v0.1.41+ to auto force-push.".to_string()
1848                } else if e.to_string().contains("authentication") {
1849                    "Authentication failed. Check your Bitbucket credentials.".to_string()
1850                } else {
1851                    // Extract first meaningful line, skip git hints
1852                    e.to_string()
1853                        .lines()
1854                        .filter(|l| !l.trim().starts_with("hint:") && !l.trim().is_empty())
1855                        .take(1)
1856                        .collect::<Vec<_>>()
1857                        .join(" ")
1858                        .trim()
1859                        .to_string()
1860                };
1861                Output::sub_item(format!("Error: {}", clean_error));
1862                failed_entries.push((*entry_num, clean_error));
1863            }
1864        }
1865    }
1866
1867    println!();
1868
1869    // Update all PR descriptions in the stack if any PRs were created/exist
1870    let has_any_prs = active_stack
1871        .entries
1872        .iter()
1873        .any(|e| e.pull_request_id.is_some());
1874    if has_any_prs && submitted_count > 0 {
1875        match integration.update_all_pr_descriptions(&stack_id).await {
1876            Ok(updated_prs) => {
1877                if !updated_prs.is_empty() {
1878                    Output::sub_item(format!(
1879                        "Updated {} PR description{} with stack hierarchy",
1880                        updated_prs.len(),
1881                        if updated_prs.len() == 1 { "" } else { "s" }
1882                    ));
1883                }
1884            }
1885            Err(e) => {
1886                // Suppress benign 409 "out of date" errors - these happen when PR was just created
1887                // and Bitbucket's version hasn't propagated yet. The PR still gets created successfully.
1888                let error_msg = e.to_string();
1889                if !error_msg.contains("409") && !error_msg.contains("out-of-date") {
1890                    // Only show non-409 errors, and make them concise
1891                    let clean_error = error_msg.lines().next().unwrap_or("Unknown error").trim();
1892                    Output::warning(format!(
1893                        "Could not update some PR descriptions: {}",
1894                        clean_error
1895                    ));
1896                    Output::sub_item(
1897                        "PRs were created successfully - descriptions can be updated manually",
1898                    );
1899                }
1900            }
1901        }
1902    }
1903
1904    // Summary
1905    if failed_entries.is_empty() {
1906        Output::success(format!(
1907            "{} {} submitted successfully!",
1908            submitted_count,
1909            if submitted_count == 1 {
1910                "entry"
1911            } else {
1912                "entries"
1913            }
1914        ));
1915    } else {
1916        println!();
1917        Output::section("Submission Summary");
1918        Output::success(format!("Successful: {submitted_count}"));
1919        Output::error(format!("Failed: {}", failed_entries.len()));
1920
1921        if !failed_entries.is_empty() {
1922            println!();
1923            Output::tip("Retry failed entries:");
1924            for (entry_num, _) in &failed_entries {
1925                Output::bullet(format!("ca stack submit {entry_num}"));
1926            }
1927        }
1928    }
1929
1930    // Open PRs in browser if requested (default: true)
1931    if open && !pr_urls.is_empty() {
1932        println!();
1933        for url in &pr_urls {
1934            if let Err(e) = open::that(url) {
1935                Output::warning(format!("Could not open browser: {}", e));
1936                Output::tip(format!("Open manually: {}", url));
1937            }
1938        }
1939    }
1940
1941    Ok(())
1942}
1943
1944async fn check_stack_status(name: Option<String>) -> Result<()> {
1945    let current_dir = env::current_dir()
1946        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
1947
1948    let repo_root = find_repository_root(&current_dir)
1949        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
1950
1951    let stack_manager = StackManager::new(&repo_root)?;
1952
1953    // Load configuration
1954    let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
1955    let config_path = config_dir.join("config.json");
1956    let settings = crate::config::Settings::load_from_file(&config_path)?;
1957
1958    // Create the main config structure
1959    let cascade_config = crate::config::CascadeConfig {
1960        bitbucket: Some(settings.bitbucket.clone()),
1961        git: settings.git.clone(),
1962        auth: crate::config::AuthConfig::default(),
1963        cascade: settings.cascade.clone(),
1964    };
1965
1966    // Get stack information BEFORE moving stack_manager
1967    let stack = if let Some(name) = name {
1968        stack_manager
1969            .get_stack_by_name(&name)
1970            .ok_or_else(|| CascadeError::config(format!("Stack '{name}' not found")))?
1971    } else {
1972        stack_manager.get_active_stack().ok_or_else(|| {
1973            CascadeError::config("No active stack. Use 'ca stack list' to see available stacks")
1974        })?
1975    };
1976    let stack_id = stack.id;
1977
1978    Output::section(format!("Stack: {}", stack.name));
1979    Output::sub_item(format!("ID: {}", stack.id));
1980    Output::sub_item(format!("Base: {}", stack.base_branch));
1981
1982    if let Some(description) = &stack.description {
1983        Output::sub_item(format!("Description: {description}"));
1984    }
1985
1986    // Create Bitbucket integration (this takes ownership of stack_manager)
1987    let integration = crate::bitbucket::BitbucketIntegration::new(stack_manager, cascade_config)?;
1988
1989    // Check stack status
1990    match integration.check_stack_status(&stack_id).await {
1991        Ok(status) => {
1992            Output::section("Pull Request Status");
1993            Output::sub_item(format!("Total entries: {}", status.total_entries));
1994            Output::sub_item(format!("Submitted: {}", status.submitted_entries));
1995            Output::sub_item(format!("Open PRs: {}", status.open_prs));
1996            Output::sub_item(format!("Merged PRs: {}", status.merged_prs));
1997            Output::sub_item(format!("Declined PRs: {}", status.declined_prs));
1998            Output::sub_item(format!(
1999                "Completion: {:.1}%",
2000                status.completion_percentage()
2001            ));
2002
2003            if !status.pull_requests.is_empty() {
2004                Output::section("Pull Requests");
2005                for pr in &status.pull_requests {
2006                    let state_icon = match pr.state {
2007                        crate::bitbucket::PullRequestState::Open => "🔄",
2008                        crate::bitbucket::PullRequestState::Merged => "✅",
2009                        crate::bitbucket::PullRequestState::Declined => "❌",
2010                    };
2011                    Output::bullet(format!(
2012                        "{} PR #{}: {} ({} -> {})",
2013                        state_icon, pr.id, pr.title, pr.from_ref.display_id, pr.to_ref.display_id
2014                    ));
2015                    if let Some(url) = pr.web_url() {
2016                        Output::sub_item(format!("URL: {url}"));
2017                    }
2018                }
2019            }
2020        }
2021        Err(e) => {
2022            tracing::debug!("Failed to check stack status: {}", e);
2023            return Err(e);
2024        }
2025    }
2026
2027    Ok(())
2028}
2029
2030async fn list_pull_requests(state: Option<String>, verbose: bool) -> Result<()> {
2031    let current_dir = env::current_dir()
2032        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2033
2034    let repo_root = find_repository_root(&current_dir)
2035        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2036
2037    let stack_manager = StackManager::new(&repo_root)?;
2038
2039    // Load configuration
2040    let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
2041    let config_path = config_dir.join("config.json");
2042    let settings = crate::config::Settings::load_from_file(&config_path)?;
2043
2044    // Create the main config structure
2045    let cascade_config = crate::config::CascadeConfig {
2046        bitbucket: Some(settings.bitbucket.clone()),
2047        git: settings.git.clone(),
2048        auth: crate::config::AuthConfig::default(),
2049        cascade: settings.cascade.clone(),
2050    };
2051
2052    // Create Bitbucket integration
2053    let integration = crate::bitbucket::BitbucketIntegration::new(stack_manager, cascade_config)?;
2054
2055    // Parse state filter
2056    let pr_state = if let Some(state_str) = state {
2057        match state_str.to_lowercase().as_str() {
2058            "open" => Some(crate::bitbucket::PullRequestState::Open),
2059            "merged" => Some(crate::bitbucket::PullRequestState::Merged),
2060            "declined" => Some(crate::bitbucket::PullRequestState::Declined),
2061            _ => {
2062                return Err(CascadeError::config(format!(
2063                    "Invalid state '{state_str}'. Use: open, merged, declined"
2064                )))
2065            }
2066        }
2067    } else {
2068        None
2069    };
2070
2071    // Get pull requests
2072    match integration.list_pull_requests(pr_state).await {
2073        Ok(pr_page) => {
2074            if pr_page.values.is_empty() {
2075                Output::info("No pull requests found.");
2076                return Ok(());
2077            }
2078
2079            println!("Pull Requests ({} total):", pr_page.values.len());
2080            for pr in &pr_page.values {
2081                let state_icon = match pr.state {
2082                    crate::bitbucket::PullRequestState::Open => "○",
2083                    crate::bitbucket::PullRequestState::Merged => "✓",
2084                    crate::bitbucket::PullRequestState::Declined => "✗",
2085                };
2086                println!("   {} PR #{}: {}", state_icon, pr.id, pr.title);
2087                if verbose {
2088                    println!(
2089                        "      From: {} -> {}",
2090                        pr.from_ref.display_id, pr.to_ref.display_id
2091                    );
2092                    println!(
2093                        "      Author: {}",
2094                        pr.author
2095                            .user
2096                            .display_name
2097                            .as_deref()
2098                            .unwrap_or(&pr.author.user.name)
2099                    );
2100                    if let Some(url) = pr.web_url() {
2101                        println!("      URL: {url}");
2102                    }
2103                    if let Some(desc) = &pr.description {
2104                        if !desc.is_empty() {
2105                            println!("      Description: {desc}");
2106                        }
2107                    }
2108                    println!();
2109                }
2110            }
2111
2112            if !verbose {
2113                println!("\nUse --verbose for more details");
2114            }
2115        }
2116        Err(e) => {
2117            warn!("Failed to list pull requests: {}", e);
2118            return Err(e);
2119        }
2120    }
2121
2122    Ok(())
2123}
2124
2125async fn check_stack(_force: bool) -> Result<()> {
2126    let current_dir = env::current_dir()
2127        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2128
2129    let repo_root = find_repository_root(&current_dir)
2130        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2131
2132    let mut manager = StackManager::new(&repo_root)?;
2133
2134    let active_stack = manager
2135        .get_active_stack()
2136        .ok_or_else(|| CascadeError::config("No active stack"))?;
2137    let stack_id = active_stack.id;
2138
2139    manager.sync_stack(&stack_id)?;
2140
2141    Output::success("Stack check completed successfully");
2142
2143    Ok(())
2144}
2145
2146async fn continue_sync() -> Result<()> {
2147    let current_dir = env::current_dir()
2148        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2149
2150    let repo_root = find_repository_root(&current_dir)?;
2151
2152    Output::section("Continuing sync from where it left off");
2153    println!();
2154
2155    // Check if there's an in-progress cherry-pick
2156    let cherry_pick_head = repo_root.join(".git").join("CHERRY_PICK_HEAD");
2157    if !cherry_pick_head.exists() {
2158        return Err(CascadeError::config(
2159            "No in-progress cherry-pick found. Nothing to continue.\n\n\
2160             Use 'ca sync' to start a new sync."
2161                .to_string(),
2162        ));
2163    }
2164
2165    Output::info("Staging all resolved files");
2166
2167    // Stage all resolved files
2168    std::process::Command::new("git")
2169        .args(["add", "-A"])
2170        .current_dir(&repo_root)
2171        .output()
2172        .map_err(CascadeError::Io)?;
2173
2174    Output::info("Continuing cherry-pick");
2175
2176    // Continue the cherry-pick
2177    let continue_output = std::process::Command::new("git")
2178        .args(["cherry-pick", "--continue"])
2179        .current_dir(&repo_root)
2180        .output()
2181        .map_err(CascadeError::Io)?;
2182
2183    if !continue_output.status.success() {
2184        let stderr = String::from_utf8_lossy(&continue_output.stderr);
2185        return Err(CascadeError::Branch(format!(
2186            "Failed to continue cherry-pick: {}\n\n\
2187             Make sure all conflicts are resolved.",
2188            stderr
2189        )));
2190    }
2191
2192    Output::success("Cherry-pick continued successfully");
2193    println!();
2194
2195    // Now we need to:
2196    // 1. Figure out which stack branch this temp branch belongs to
2197    // 2. Force-push the temp branch to the actual stack branch
2198    // 3. Checkout to the working branch
2199    // 4. Continue with sync_stack() to process remaining entries
2200
2201    let git_repo = crate::git::GitRepository::open(&repo_root)?;
2202    let current_branch = git_repo.get_current_branch()?;
2203
2204    // Parse temp branch name to get the original branch
2205    // Format: {original-branch}-temp-{timestamp}
2206    let stack_branch = if let Some(idx) = current_branch.rfind("-temp-") {
2207        current_branch[..idx].to_string()
2208    } else {
2209        return Err(CascadeError::config(format!(
2210            "Current branch '{}' doesn't appear to be a temp branch created by cascade.\n\
2211             Expected format: <branch>-temp-<timestamp>",
2212            current_branch
2213        )));
2214    };
2215
2216    Output::info(format!("Updating stack branch: {}", stack_branch));
2217
2218    // Force-push temp branch to stack branch
2219    std::process::Command::new("git")
2220        .args(["branch", "-f", &stack_branch])
2221        .current_dir(&repo_root)
2222        .output()
2223        .map_err(CascadeError::Io)?;
2224
2225    // Load stack to get working branch and update metadata
2226    let mut manager = crate::stack::StackManager::new(&repo_root)?;
2227
2228    // CRITICAL: Update the stack entry's commit hash to the new rebased commit
2229    // This prevents sync_stack() from thinking the working branch has "untracked" commits
2230    let new_commit_hash = git_repo.get_branch_head(&stack_branch)?;
2231
2232    // Get data we need from active_stack before mutably borrowing manager
2233    let (stack_id, entry_id_opt, working_branch) = {
2234        let active_stack = manager
2235            .get_active_stack()
2236            .ok_or_else(|| CascadeError::config("No active stack found"))?;
2237
2238        let entry_id_opt = active_stack
2239            .entries
2240            .iter()
2241            .find(|e| e.branch == stack_branch)
2242            .map(|e| e.id);
2243
2244        let working_branch = active_stack
2245            .working_branch
2246            .as_ref()
2247            .ok_or_else(|| CascadeError::config("Active stack has no working branch"))?
2248            .clone();
2249
2250        (active_stack.id, entry_id_opt, working_branch)
2251    };
2252
2253    // Now we can mutably borrow manager to update the entry
2254    if let Some(entry_id) = entry_id_opt {
2255        let stack = manager
2256            .get_stack_mut(&stack_id)
2257            .ok_or_else(|| CascadeError::config("Could not get mutable stack reference"))?;
2258
2259        stack
2260            .update_entry_commit_hash(&entry_id, new_commit_hash.clone())
2261            .map_err(CascadeError::config)?;
2262
2263        manager.save_to_disk()?;
2264    }
2265
2266    // Get the top of the stack to update the working branch
2267    let top_commit = {
2268        let active_stack = manager
2269            .get_active_stack()
2270            .ok_or_else(|| CascadeError::config("No active stack found"))?;
2271
2272        if let Some(last_entry) = active_stack.entries.last() {
2273            git_repo.get_branch_head(&last_entry.branch)?
2274        } else {
2275            new_commit_hash.clone()
2276        }
2277    };
2278
2279    Output::info(format!(
2280        "Checking out to working branch: {}",
2281        working_branch
2282    ));
2283
2284    // Checkout to working branch
2285    git_repo.checkout_branch_unsafe(&working_branch)?;
2286
2287    // Update working branch to point to the top of the rebased stack
2288    // In the continue_sync() context, we KNOW we just finished rebasing, so the
2289    // working branch's old commits are pre-rebase versions that should be replaced.
2290    // We unconditionally update here because:
2291    // 1. The user just resolved conflicts and continued the rebase
2292    // 2. The stack entry metadata has been updated to the new rebased commits
2293    // 3. Any "old" commits on the working branch are the pre-rebase versions
2294    // 4. The subsequent sync_stack() call will do final safety checks
2295    if let Ok(working_head) = git_repo.get_branch_head(&working_branch) {
2296        if working_head != top_commit {
2297            git_repo.update_branch_to_commit(&working_branch, &top_commit)?;
2298        }
2299    }
2300
2301    println!();
2302    Output::info("Resuming sync to complete the rebase...");
2303    println!();
2304
2305    // Continue with the full sync to process remaining entries
2306    sync_stack(false, false, false).await
2307}
2308
2309async fn sync_stack(force: bool, cleanup: bool, interactive: bool) -> Result<()> {
2310    let current_dir = env::current_dir()
2311        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2312
2313    let repo_root = find_repository_root(&current_dir)
2314        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2315
2316    let mut stack_manager = StackManager::new(&repo_root)?;
2317
2318    // Exit edit mode if active (sync will invalidate commit SHAs)
2319    // TODO: Add error recovery to restore edit mode if sync fails
2320    if stack_manager.is_in_edit_mode() {
2321        debug!("Exiting edit mode before sync (commit SHAs will change)");
2322        stack_manager.exit_edit_mode()?;
2323    }
2324
2325    let git_repo = GitRepository::open(&repo_root)?;
2326
2327    if git_repo.is_dirty()? {
2328        return Err(CascadeError::branch(
2329            "Working tree has uncommitted changes. Commit or stash them before running 'ca sync'."
2330                .to_string(),
2331        ));
2332    }
2333
2334    // Get active stack
2335    let active_stack = stack_manager.get_active_stack().ok_or_else(|| {
2336        CascadeError::config("No active stack. Create a stack first with 'ca stack create'")
2337    })?;
2338
2339    let base_branch = active_stack.base_branch.clone();
2340    let _stack_name = active_stack.name.clone();
2341
2342    // Save the original working branch before any checkouts
2343    let original_branch = git_repo.get_current_branch().ok();
2344
2345    // Sync starts silently - user will see the rebase output
2346
2347    // Step 1: Pull latest changes from base branch (silent unless error)
2348    match git_repo.checkout_branch_silent(&base_branch) {
2349        Ok(_) => {
2350            match git_repo.pull(&base_branch) {
2351                Ok(_) => {
2352                    // Silent success - only show on verbose or error
2353                }
2354                Err(e) => {
2355                    if force {
2356                        Output::warning(format!("Pull failed: {e} (continuing due to --force)"));
2357                    } else {
2358                        Output::error(format!("Failed to pull latest changes: {e}"));
2359                        Output::tip("Use --force to skip pull and continue with rebase");
2360                        return Err(CascadeError::branch(format!(
2361                            "Failed to pull latest changes from '{base_branch}': {e}. Use --force to continue anyway."
2362                        )));
2363                    }
2364                }
2365            }
2366        }
2367        Err(e) => {
2368            if force {
2369                Output::warning(format!(
2370                    "Failed to checkout '{base_branch}': {e} (continuing due to --force)"
2371                ));
2372            } else {
2373                Output::error(format!(
2374                    "Failed to checkout base branch '{base_branch}': {e}"
2375                ));
2376                Output::tip("Use --force to bypass checkout issues and continue anyway");
2377                return Err(CascadeError::branch(format!(
2378                    "Failed to checkout base branch '{base_branch}': {e}. Use --force to continue anyway."
2379                )));
2380            }
2381        }
2382    }
2383
2384    // Step 2: Reconcile metadata with current Git state before checking integrity
2385    // This fixes stale metadata from previous bugs or interrupted operations
2386    let mut updated_stack_manager = StackManager::new(&repo_root)?;
2387    let stack_id = active_stack.id;
2388
2389    // Update entry commit hashes to match current branch HEADs
2390    // This prevents false "branch modification" errors from stale metadata
2391    if let Some(stack) = updated_stack_manager.get_stack_mut(&stack_id) {
2392        let mut updates = Vec::new();
2393        for entry in &stack.entries {
2394            if let Ok(current_commit) = git_repo.get_branch_head(&entry.branch) {
2395                if entry.commit_hash != current_commit {
2396                    let is_safe_descendant = match git_repo.commit_exists(&entry.commit_hash) {
2397                        Ok(true) => {
2398                            match git_repo.is_descendant_of(&current_commit, &entry.commit_hash) {
2399                                Ok(result) => result,
2400                                Err(e) => {
2401                                    warn!(
2402                                    "Cannot verify ancestry for '{}': {} - treating as unsafe to prevent potential data loss",
2403                                    entry.branch, e
2404                                );
2405                                    false
2406                                }
2407                            }
2408                        }
2409                        Ok(false) => {
2410                            debug!(
2411                                "Recorded commit {} for '{}' no longer exists in repository",
2412                                &entry.commit_hash[..8],
2413                                entry.branch
2414                            );
2415                            false
2416                        }
2417                        Err(e) => {
2418                            warn!(
2419                                "Cannot verify commit existence for '{}': {} - treating as unsafe to prevent potential data loss",
2420                                entry.branch, e
2421                            );
2422                            false
2423                        }
2424                    };
2425
2426                    if is_safe_descendant {
2427                        debug!(
2428                            "Reconciling entry '{}': updating hash from {} to {} (current branch HEAD)",
2429                            entry.branch,
2430                            &entry.commit_hash[..8],
2431                            &current_commit[..8]
2432                        );
2433                        updates.push((entry.id, current_commit));
2434                    } else {
2435                        warn!(
2436                            "Skipped automatic reconciliation for entry '{}' because local HEAD ({}) does not descend from recorded commit ({})",
2437                            entry.branch,
2438                            &current_commit[..8],
2439                            &entry.commit_hash[..8]
2440                        );
2441                    }
2442                }
2443            }
2444        }
2445
2446        // Apply updates using safe wrapper
2447        for (entry_id, new_hash) in updates {
2448            stack
2449                .update_entry_commit_hash(&entry_id, new_hash)
2450                .map_err(CascadeError::config)?;
2451        }
2452
2453        // Save reconciled metadata
2454        updated_stack_manager.save_to_disk()?;
2455    }
2456
2457    match updated_stack_manager.sync_stack(&stack_id) {
2458        Ok(_) => {
2459            // Check the updated status
2460            if let Some(updated_stack) = updated_stack_manager.get_stack(&stack_id) {
2461                // Check for empty stack first
2462                if updated_stack.entries.is_empty() {
2463                    println!(); // Spacing
2464                    Output::info("Stack has no entries yet");
2465                    Output::tip("Use 'ca push' to add commits to this stack");
2466                    return Ok(());
2467                }
2468
2469                match &updated_stack.status {
2470                    crate::stack::StackStatus::NeedsSync => {
2471                        // Load configuration for Bitbucket integration
2472                        let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
2473                        let config_path = config_dir.join("config.json");
2474                        let settings = crate::config::Settings::load_from_file(&config_path)?;
2475
2476                        let cascade_config = crate::config::CascadeConfig {
2477                            bitbucket: Some(settings.bitbucket.clone()),
2478                            git: settings.git.clone(),
2479                            auth: crate::config::AuthConfig::default(),
2480                            cascade: settings.cascade.clone(),
2481                        };
2482
2483                        println!(); // Spacing
2484
2485                        // Start spinner with static title
2486                        let rebase_spinner = crate::utils::spinner::Spinner::new_with_output_below(
2487                            format!("Rebasing stack: {}", active_stack.name),
2488                        );
2489
2490                        // Use the existing rebase system with force-push strategy
2491                        // This preserves PR history by force-pushing to original branches
2492                        let options = crate::stack::RebaseOptions {
2493                            strategy: crate::stack::RebaseStrategy::ForcePush,
2494                            interactive,
2495                            target_base: Some(base_branch.clone()),
2496                            preserve_merges: true,
2497                            auto_resolve: !interactive, // Re-enabled with safety checks
2498                            max_retries: 3,
2499                            skip_pull: Some(true), // Skip pull since we already pulled above
2500                            original_working_branch: original_branch.clone(), // Pass the saved working branch
2501                            progress_printer: Some(rebase_spinner.printer()),
2502                        };
2503
2504                        let mut rebase_manager = crate::stack::RebaseManager::new(
2505                            updated_stack_manager,
2506                            git_repo,
2507                            options,
2508                        );
2509
2510                        // Rebase all entries (tree prints as we go)
2511                        let rebase_result = rebase_manager.rebase_stack(&stack_id);
2512
2513                        // Stop rebase spinner before showing results
2514                        rebase_spinner.stop();
2515                        println!(); // Spacing after spinner
2516
2517                        match rebase_result {
2518                            Ok(result) => {
2519                                if !result.branch_mapping.is_empty() {
2520                                    // Update PRs if enabled
2521                                    if let Some(ref _bitbucket_config) = cascade_config.bitbucket {
2522                                        let integration_stack_manager =
2523                                            StackManager::new(&repo_root)?;
2524                                        let mut integration =
2525                                            crate::bitbucket::BitbucketIntegration::new(
2526                                                integration_stack_manager,
2527                                                cascade_config,
2528                                            )?;
2529
2530                                        // Show spinner during PR updates
2531                                        let pr_word = if result.branch_mapping.len() == 1 {
2532                                            "PR"
2533                                        } else {
2534                                            "PRs"
2535                                        };
2536                                        let pr_spinner =
2537                                            crate::utils::spinner::Spinner::new_with_output_below(
2538                                                format!(
2539                                                    "Updating {} {}",
2540                                                    result.branch_mapping.len(),
2541                                                    pr_word
2542                                                ),
2543                                            );
2544
2545                                        let pr_result = integration
2546                                            .update_prs_after_rebase(
2547                                                &stack_id,
2548                                                &result.branch_mapping,
2549                                            )
2550                                            .await;
2551
2552                                        pr_spinner.stop();
2553
2554                                        match pr_result {
2555                                            Ok(updated_prs) => {
2556                                                if !updated_prs.is_empty() {
2557                                                    Output::success(format!(
2558                                                        "Updated {} pull request{}",
2559                                                        updated_prs.len(),
2560                                                        if updated_prs.len() == 1 {
2561                                                            ""
2562                                                        } else {
2563                                                            "s"
2564                                                        }
2565                                                    ));
2566                                                }
2567                                            }
2568                                            Err(e) => {
2569                                                Output::warning(format!(
2570                                                    "Failed to update pull requests: {e}"
2571                                                ));
2572                                            }
2573                                        }
2574                                    }
2575                                }
2576                            }
2577                            Err(e) => {
2578                                // Error already contains instructions, just propagate it
2579                                return Err(e);
2580                            }
2581                        }
2582                    }
2583                    crate::stack::StackStatus::Clean => {
2584                        // Already up to date - silent success
2585                    }
2586                    other => {
2587                        // Only show unexpected status
2588                        Output::info(format!("Stack status: {other:?}"));
2589                    }
2590                }
2591            }
2592        }
2593        Err(e) => {
2594            if force {
2595                Output::warning(format!(
2596                    "Failed to check stack status: {e} (continuing due to --force)"
2597                ));
2598            } else {
2599                return Err(e);
2600            }
2601        }
2602    }
2603
2604    // Step 3: Cleanup merged branches (optional) - only if explicitly requested
2605    if cleanup {
2606        let git_repo_for_cleanup = GitRepository::open(&repo_root)?;
2607        match perform_simple_cleanup(&stack_manager, &git_repo_for_cleanup, false).await {
2608            Ok(result) => {
2609                if result.total_candidates > 0 {
2610                    Output::section("Cleanup Summary");
2611                    if !result.cleaned_branches.is_empty() {
2612                        Output::success(format!(
2613                            "Cleaned up {} merged branches",
2614                            result.cleaned_branches.len()
2615                        ));
2616                        for branch in &result.cleaned_branches {
2617                            Output::sub_item(format!("🗑️  Deleted: {branch}"));
2618                        }
2619                    }
2620                    if !result.skipped_branches.is_empty() {
2621                        Output::sub_item(format!(
2622                            "Skipped {} branches",
2623                            result.skipped_branches.len()
2624                        ));
2625                    }
2626                    if !result.failed_branches.is_empty() {
2627                        for (branch, error) in &result.failed_branches {
2628                            Output::warning(format!("Failed to clean up {branch}: {error}"));
2629                        }
2630                    }
2631                }
2632            }
2633            Err(e) => {
2634                Output::warning(format!("Branch cleanup failed: {e}"));
2635            }
2636        }
2637    }
2638
2639    // NOTE: Don't checkout the original branch here!
2640    // The rebase_with_force_push() function already returned us to the working branch
2641    // using checkout_branch_unsafe(). If we try to checkout again with the safe version,
2642    // it will see the rebased working tree and think there are staged changes
2643    // (because the working branch HEAD was updated during rebase but we're still on the old tree).
2644    // Trust that the rebase left us in the correct state.
2645
2646    Output::success("Sync completed successfully!");
2647
2648    Ok(())
2649}
2650
2651async fn rebase_stack(
2652    interactive: bool,
2653    onto: Option<String>,
2654    strategy: Option<RebaseStrategyArg>,
2655) -> Result<()> {
2656    let current_dir = env::current_dir()
2657        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2658
2659    let repo_root = find_repository_root(&current_dir)
2660        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2661
2662    let stack_manager = StackManager::new(&repo_root)?;
2663    let git_repo = GitRepository::open(&repo_root)?;
2664
2665    // Load configuration for potential Bitbucket integration
2666    let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
2667    let config_path = config_dir.join("config.json");
2668    let settings = crate::config::Settings::load_from_file(&config_path)?;
2669
2670    // Create the main config structure
2671    let cascade_config = crate::config::CascadeConfig {
2672        bitbucket: Some(settings.bitbucket.clone()),
2673        git: settings.git.clone(),
2674        auth: crate::config::AuthConfig::default(),
2675        cascade: settings.cascade.clone(),
2676    };
2677
2678    // Get active stack
2679    let active_stack = stack_manager.get_active_stack().ok_or_else(|| {
2680        CascadeError::config("No active stack. Create a stack first with 'ca stack create'")
2681    })?;
2682    let stack_id = active_stack.id;
2683
2684    let active_stack = stack_manager
2685        .get_stack(&stack_id)
2686        .ok_or_else(|| CascadeError::config("Active stack not found"))?
2687        .clone();
2688
2689    if active_stack.entries.is_empty() {
2690        Output::info("Stack is empty. Nothing to rebase.");
2691        return Ok(());
2692    }
2693
2694    // Determine rebase strategy (force-push is the industry standard for stacked diffs)
2695    let rebase_strategy = if let Some(cli_strategy) = strategy {
2696        match cli_strategy {
2697            RebaseStrategyArg::ForcePush => crate::stack::RebaseStrategy::ForcePush,
2698            RebaseStrategyArg::Interactive => crate::stack::RebaseStrategy::Interactive,
2699        }
2700    } else {
2701        // Default to force-push (industry standard for preserving PR history)
2702        crate::stack::RebaseStrategy::ForcePush
2703    };
2704
2705    // Save original branch before any operations
2706    let original_branch = git_repo.get_current_branch().ok();
2707
2708    debug!("   Strategy: {:?}", rebase_strategy);
2709    debug!("   Interactive: {}", interactive);
2710    debug!("   Target base: {:?}", onto);
2711    debug!("   Entries: {}", active_stack.entries.len());
2712
2713    println!(); // Spacing
2714
2715    // Start spinner for rebase
2716    let rebase_spinner = crate::utils::spinner::Spinner::new_with_output_below(format!(
2717        "Rebasing stack: {}",
2718        active_stack.name
2719    ));
2720
2721    // Create rebase options
2722    let options = crate::stack::RebaseOptions {
2723        strategy: rebase_strategy.clone(),
2724        interactive,
2725        target_base: onto,
2726        preserve_merges: true,
2727        auto_resolve: !interactive, // Re-enabled with safety checks
2728        max_retries: 3,
2729        skip_pull: None, // Normal rebase should pull latest changes
2730        original_working_branch: original_branch,
2731        progress_printer: Some(rebase_spinner.printer()),
2732    };
2733
2734    // Check if there's already a rebase in progress
2735    let mut rebase_manager = crate::stack::RebaseManager::new(stack_manager, git_repo, options);
2736
2737    if rebase_manager.is_rebase_in_progress() {
2738        Output::warning("Rebase already in progress!");
2739        Output::tip("Use 'git status' to check the current state");
2740        Output::next_steps(&[
2741            "Run 'ca stack continue-rebase' to continue",
2742            "Run 'ca stack abort-rebase' to abort",
2743        ]);
2744        rebase_spinner.stop();
2745        return Ok(());
2746    }
2747
2748    // Perform the rebase
2749    let rebase_result = rebase_manager.rebase_stack(&stack_id);
2750
2751    // Stop spinner before showing results
2752    rebase_spinner.stop();
2753    println!(); // Spacing
2754
2755    match rebase_result {
2756        Ok(result) => {
2757            Output::success("Rebase completed!");
2758            Output::sub_item(result.get_summary());
2759
2760            if result.has_conflicts() {
2761                Output::warning(format!(
2762                    "{} conflicts were resolved",
2763                    result.conflicts.len()
2764                ));
2765                for conflict in &result.conflicts {
2766                    Output::bullet(&conflict[..8.min(conflict.len())]);
2767                }
2768            }
2769
2770            if !result.branch_mapping.is_empty() {
2771                Output::section("Branch mapping");
2772                for (old, new) in &result.branch_mapping {
2773                    Output::bullet(format!("{old} -> {new}"));
2774                }
2775
2776                // Handle PR updates if enabled
2777                if let Some(ref _bitbucket_config) = cascade_config.bitbucket {
2778                    // Create a new StackManager for the integration (since the original was moved)
2779                    let integration_stack_manager = StackManager::new(&repo_root)?;
2780                    let mut integration = BitbucketIntegration::new(
2781                        integration_stack_manager,
2782                        cascade_config.clone(),
2783                    )?;
2784
2785                    match integration
2786                        .update_prs_after_rebase(&stack_id, &result.branch_mapping)
2787                        .await
2788                    {
2789                        Ok(updated_prs) => {
2790                            if !updated_prs.is_empty() {
2791                                println!("   🔄 Preserved pull request history:");
2792                                for pr_update in updated_prs {
2793                                    println!("      ✅ {pr_update}");
2794                                }
2795                            }
2796                        }
2797                        Err(e) => {
2798                            Output::warning(format!("Failed to update pull requests: {e}"));
2799                            Output::sub_item("You may need to manually update PRs in Bitbucket");
2800                        }
2801                    }
2802                }
2803            }
2804
2805            Output::success(format!(
2806                "{} commits successfully rebased",
2807                result.success_count()
2808            ));
2809
2810            // Show next steps
2811            if matches!(rebase_strategy, crate::stack::RebaseStrategy::ForcePush) {
2812                println!();
2813                Output::section("Next steps");
2814                if !result.branch_mapping.is_empty() {
2815                    Output::numbered_item(1, "Branches have been rebased and force-pushed");
2816                    Output::numbered_item(
2817                        2,
2818                        "Pull requests updated automatically (history preserved)",
2819                    );
2820                    Output::numbered_item(3, "Review the updated PRs in Bitbucket");
2821                    Output::numbered_item(4, "Test your changes");
2822                } else {
2823                    println!("   1. Review the rebased stack");
2824                    println!("   2. Test your changes");
2825                    println!("   3. Submit new pull requests with 'ca stack submit'");
2826                }
2827            }
2828        }
2829        Err(e) => {
2830            warn!("❌ Rebase failed: {}", e);
2831            Output::tip(" Tips for resolving rebase issues:");
2832            println!("   - Check for uncommitted changes with 'git status'");
2833            println!("   - Ensure base branch is up to date");
2834            println!("   - Try interactive mode: 'ca stack rebase --interactive'");
2835            return Err(e);
2836        }
2837    }
2838
2839    Ok(())
2840}
2841
2842async fn continue_rebase() -> Result<()> {
2843    let current_dir = env::current_dir()
2844        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2845
2846    let repo_root = find_repository_root(&current_dir)
2847        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2848
2849    let stack_manager = StackManager::new(&repo_root)?;
2850    let git_repo = crate::git::GitRepository::open(&repo_root)?;
2851    let options = crate::stack::RebaseOptions::default();
2852    let rebase_manager = crate::stack::RebaseManager::new(stack_manager, git_repo, options);
2853
2854    if !rebase_manager.is_rebase_in_progress() {
2855        Output::info("  No rebase in progress");
2856        return Ok(());
2857    }
2858
2859    println!(" Continuing rebase...");
2860    match rebase_manager.continue_rebase() {
2861        Ok(_) => {
2862            Output::success(" Rebase continued successfully");
2863            println!("   Check 'ca stack rebase-status' for current state");
2864        }
2865        Err(e) => {
2866            warn!("❌ Failed to continue rebase: {}", e);
2867            Output::tip(" You may need to resolve conflicts first:");
2868            println!("   1. Edit conflicted files");
2869            println!("   2. Stage resolved files with 'git add'");
2870            println!("   3. Run 'ca stack continue-rebase' again");
2871        }
2872    }
2873
2874    Ok(())
2875}
2876
2877async fn abort_rebase() -> Result<()> {
2878    let current_dir = env::current_dir()
2879        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2880
2881    let repo_root = find_repository_root(&current_dir)
2882        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2883
2884    let stack_manager = StackManager::new(&repo_root)?;
2885    let git_repo = crate::git::GitRepository::open(&repo_root)?;
2886    let options = crate::stack::RebaseOptions::default();
2887    let rebase_manager = crate::stack::RebaseManager::new(stack_manager, git_repo, options);
2888
2889    if !rebase_manager.is_rebase_in_progress() {
2890        Output::info("  No rebase in progress");
2891        return Ok(());
2892    }
2893
2894    Output::warning("Aborting rebase...");
2895    match rebase_manager.abort_rebase() {
2896        Ok(_) => {
2897            Output::success(" Rebase aborted successfully");
2898            println!("   Repository restored to pre-rebase state");
2899        }
2900        Err(e) => {
2901            warn!("❌ Failed to abort rebase: {}", e);
2902            println!("⚠️  You may need to manually clean up the repository state");
2903        }
2904    }
2905
2906    Ok(())
2907}
2908
2909async fn rebase_status() -> Result<()> {
2910    let current_dir = env::current_dir()
2911        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2912
2913    let repo_root = find_repository_root(&current_dir)
2914        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2915
2916    let stack_manager = StackManager::new(&repo_root)?;
2917    let git_repo = crate::git::GitRepository::open(&repo_root)?;
2918
2919    println!("Rebase Status");
2920
2921    // Check if rebase is in progress by checking git state directly
2922    let git_dir = current_dir.join(".git");
2923    let rebase_in_progress = git_dir.join("REBASE_HEAD").exists()
2924        || git_dir.join("rebase-merge").exists()
2925        || git_dir.join("rebase-apply").exists();
2926
2927    if rebase_in_progress {
2928        println!("   Status: 🔄 Rebase in progress");
2929        println!(
2930            "   
2931📝 Actions available:"
2932        );
2933        println!("     - 'ca stack continue-rebase' to continue");
2934        println!("     - 'ca stack abort-rebase' to abort");
2935        println!("     - 'git status' to see conflicted files");
2936
2937        // Check for conflicts
2938        match git_repo.get_status() {
2939            Ok(statuses) => {
2940                let mut conflicts = Vec::new();
2941                for status in statuses.iter() {
2942                    if status.status().contains(git2::Status::CONFLICTED) {
2943                        if let Some(path) = status.path() {
2944                            conflicts.push(path.to_string());
2945                        }
2946                    }
2947                }
2948
2949                if !conflicts.is_empty() {
2950                    println!("   ⚠️  Conflicts in {} files:", conflicts.len());
2951                    for conflict in conflicts {
2952                        println!("      - {conflict}");
2953                    }
2954                    println!(
2955                        "   
2956💡 To resolve conflicts:"
2957                    );
2958                    println!("     1. Edit the conflicted files");
2959                    println!("     2. Stage resolved files: git add <file>");
2960                    println!("     3. Continue: ca stack continue-rebase");
2961                }
2962            }
2963            Err(e) => {
2964                warn!("Failed to get git status: {}", e);
2965            }
2966        }
2967    } else {
2968        println!("   Status: ✅ No rebase in progress");
2969
2970        // Show stack status instead
2971        if let Some(active_stack) = stack_manager.get_active_stack() {
2972            println!("   Active stack: {}", active_stack.name);
2973            println!("   Entries: {}", active_stack.entries.len());
2974            println!("   Base branch: {}", active_stack.base_branch);
2975        }
2976    }
2977
2978    Ok(())
2979}
2980
2981async fn delete_stack(name: String, force: bool) -> Result<()> {
2982    let current_dir = env::current_dir()
2983        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
2984
2985    let repo_root = find_repository_root(&current_dir)
2986        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
2987
2988    let mut manager = StackManager::new(&repo_root)?;
2989
2990    let stack = manager
2991        .get_stack_by_name(&name)
2992        .ok_or_else(|| CascadeError::config(format!("Stack '{name}' not found")))?;
2993    let stack_id = stack.id;
2994
2995    if !force && !stack.entries.is_empty() {
2996        return Err(CascadeError::config(format!(
2997            "Stack '{}' has {} entries. Use --force to delete anyway",
2998            name,
2999            stack.entries.len()
3000        )));
3001    }
3002
3003    let deleted = manager.delete_stack(&stack_id)?;
3004
3005    Output::success(format!("Deleted stack '{}'", deleted.name));
3006    if !deleted.entries.is_empty() {
3007        Output::warning(format!("{} entries were removed", deleted.entries.len()));
3008    }
3009
3010    Ok(())
3011}
3012
3013async fn validate_stack(name: Option<String>, fix_mode: Option<String>) -> Result<()> {
3014    let current_dir = env::current_dir()
3015        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3016
3017    let repo_root = find_repository_root(&current_dir)
3018        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3019
3020    let mut manager = StackManager::new(&repo_root)?;
3021
3022    if let Some(name) = name {
3023        // Validate specific stack
3024        let stack = manager
3025            .get_stack_by_name(&name)
3026            .ok_or_else(|| CascadeError::config(format!("Stack '{name}' not found")))?;
3027
3028        let stack_id = stack.id;
3029
3030        // Basic structure validation first
3031        match stack.validate() {
3032            Ok(_message) => {
3033                Output::success(format!("Stack '{}' structure validation passed", name));
3034            }
3035            Err(e) => {
3036                Output::error(format!(
3037                    "Stack '{}' structure validation failed: {}",
3038                    name, e
3039                ));
3040                return Err(CascadeError::config(e));
3041            }
3042        }
3043
3044        // Handle branch modifications (includes Git integrity checks)
3045        manager.handle_branch_modifications(&stack_id, fix_mode)?;
3046
3047        println!();
3048        Output::success(format!("Stack '{name}' validation completed"));
3049        Ok(())
3050    } else {
3051        // Validate all stacks
3052        Output::section("Validating all stacks");
3053        println!();
3054
3055        // Get all stack IDs through public method
3056        let all_stacks = manager.get_all_stacks();
3057        let stack_ids: Vec<uuid::Uuid> = all_stacks.iter().map(|s| s.id).collect();
3058
3059        if stack_ids.is_empty() {
3060            Output::info("No stacks found");
3061            return Ok(());
3062        }
3063
3064        let mut all_valid = true;
3065        for stack_id in stack_ids {
3066            let stack = manager.get_stack(&stack_id).unwrap();
3067            let stack_name = &stack.name;
3068
3069            println!("Checking stack '{stack_name}':");
3070
3071            // Basic structure validation
3072            match stack.validate() {
3073                Ok(message) => {
3074                    Output::sub_item(format!("Structure: {message}"));
3075                }
3076                Err(e) => {
3077                    Output::sub_item(format!("Structure: {e}"));
3078                    all_valid = false;
3079                    continue;
3080                }
3081            }
3082
3083            // Handle branch modifications
3084            match manager.handle_branch_modifications(&stack_id, fix_mode.clone()) {
3085                Ok(_) => {
3086                    Output::sub_item("Git integrity: OK");
3087                }
3088                Err(e) => {
3089                    Output::sub_item(format!("Git integrity: {e}"));
3090                    all_valid = false;
3091                }
3092            }
3093            println!();
3094        }
3095
3096        if all_valid {
3097            Output::success("All stacks passed validation");
3098        } else {
3099            Output::warning("Some stacks have validation issues");
3100            return Err(CascadeError::config("Stack validation failed".to_string()));
3101        }
3102
3103        Ok(())
3104    }
3105}
3106
3107/// Get commits that are not yet in any stack entry
3108#[allow(dead_code)]
3109fn get_unpushed_commits(repo: &GitRepository, stack: &crate::stack::Stack) -> Result<Vec<String>> {
3110    let mut unpushed = Vec::new();
3111    let head_commit = repo.get_head_commit()?;
3112    let mut current_commit = head_commit;
3113
3114    // Walk back from HEAD until we find a commit that's already in the stack
3115    loop {
3116        let commit_hash = current_commit.id().to_string();
3117        let already_in_stack = stack
3118            .entries
3119            .iter()
3120            .any(|entry| entry.commit_hash == commit_hash);
3121
3122        if already_in_stack {
3123            break;
3124        }
3125
3126        unpushed.push(commit_hash);
3127
3128        // Move to parent commit
3129        if let Some(parent) = current_commit.parents().next() {
3130            current_commit = parent;
3131        } else {
3132            break;
3133        }
3134    }
3135
3136    unpushed.reverse(); // Reverse to get chronological order
3137    Ok(unpushed)
3138}
3139
3140/// Squash the last N commits into a single commit
3141pub async fn squash_commits(
3142    repo: &GitRepository,
3143    count: usize,
3144    since_ref: Option<String>,
3145) -> Result<()> {
3146    if count <= 1 {
3147        return Ok(()); // Nothing to squash
3148    }
3149
3150    // Get the current branch
3151    let _current_branch = repo.get_current_branch()?;
3152
3153    // Determine the range for interactive rebase
3154    let rebase_range = if let Some(ref since) = since_ref {
3155        since.clone()
3156    } else {
3157        format!("HEAD~{count}")
3158    };
3159
3160    println!("   Analyzing {count} commits to create smart squash message...");
3161
3162    // Get the commits that will be squashed to create a smart message
3163    let head_commit = repo.get_head_commit()?;
3164    let mut commits_to_squash = Vec::new();
3165    let mut current = head_commit;
3166
3167    // Collect the last N commits
3168    for _ in 0..count {
3169        commits_to_squash.push(current.clone());
3170        if current.parent_count() > 0 {
3171            current = current.parent(0).map_err(CascadeError::Git)?;
3172        } else {
3173            break;
3174        }
3175    }
3176
3177    // Generate smart commit message from the squashed commits
3178    let smart_message = generate_squash_message(&commits_to_squash)?;
3179    println!(
3180        "   Smart message: {}",
3181        smart_message.lines().next().unwrap_or("")
3182    );
3183
3184    // Get the commit we want to reset to (the commit before our range)
3185    let reset_target = if since_ref.is_some() {
3186        // If squashing since a reference, reset to that reference
3187        format!("{rebase_range}~1")
3188    } else {
3189        // If squashing last N commits, reset to N commits before
3190        format!("HEAD~{count}")
3191    };
3192
3193    // Soft reset to preserve changes in staging area
3194    repo.reset_soft(&reset_target)?;
3195
3196    // Stage all changes (they should already be staged from the reset --soft)
3197    repo.stage_all()?;
3198
3199    // Create the new commit with the smart message
3200    let new_commit_hash = repo.commit(&smart_message)?;
3201
3202    println!(
3203        "   Created squashed commit: {} ({})",
3204        &new_commit_hash[..8],
3205        smart_message.lines().next().unwrap_or("")
3206    );
3207    println!("   💡 Tip: Use 'git commit --amend' to edit the commit message if needed");
3208
3209    Ok(())
3210}
3211
3212/// Generate a smart commit message from multiple commits being squashed
3213pub fn generate_squash_message(commits: &[git2::Commit]) -> Result<String> {
3214    if commits.is_empty() {
3215        return Ok("Squashed commits".to_string());
3216    }
3217
3218    // Get all commit messages
3219    let messages: Vec<String> = commits
3220        .iter()
3221        .map(|c| c.message().unwrap_or("").trim().to_string())
3222        .filter(|m| !m.is_empty())
3223        .collect();
3224
3225    if messages.is_empty() {
3226        return Ok("Squashed commits".to_string());
3227    }
3228
3229    // Strategy 1: If the last commit looks like a "Final:" commit, use it
3230    if let Some(last_msg) = messages.first() {
3231        // first() because we're in reverse chronological order
3232        if last_msg.starts_with("Final:") || last_msg.starts_with("final:") {
3233            return Ok(last_msg
3234                .trim_start_matches("Final:")
3235                .trim_start_matches("final:")
3236                .trim()
3237                .to_string());
3238        }
3239    }
3240
3241    // Strategy 2: If most commits are WIP, find the most descriptive non-WIP message
3242    let wip_count = messages
3243        .iter()
3244        .filter(|m| {
3245            m.to_lowercase().starts_with("wip") || m.to_lowercase().contains("work in progress")
3246        })
3247        .count();
3248
3249    if wip_count > messages.len() / 2 {
3250        // Mostly WIP commits, find the best non-WIP one or create a summary
3251        let non_wip: Vec<&String> = messages
3252            .iter()
3253            .filter(|m| {
3254                !m.to_lowercase().starts_with("wip")
3255                    && !m.to_lowercase().contains("work in progress")
3256            })
3257            .collect();
3258
3259        if let Some(best_msg) = non_wip.first() {
3260            return Ok(best_msg.to_string());
3261        }
3262
3263        // All are WIP, try to extract the feature being worked on
3264        let feature = extract_feature_from_wip(&messages);
3265        return Ok(feature);
3266    }
3267
3268    // Strategy 3: Use the last (most recent) commit message
3269    Ok(messages.first().unwrap().clone())
3270}
3271
3272/// Extract feature name from WIP commit messages
3273pub fn extract_feature_from_wip(messages: &[String]) -> String {
3274    // Look for patterns like "WIP: add authentication" -> "Add authentication"
3275    for msg in messages {
3276        // Check both case variations, but preserve original case
3277        if msg.to_lowercase().starts_with("wip:") {
3278            if let Some(rest) = msg
3279                .strip_prefix("WIP:")
3280                .or_else(|| msg.strip_prefix("wip:"))
3281            {
3282                let feature = rest.trim();
3283                if !feature.is_empty() && feature.len() > 3 {
3284                    // Capitalize first letter only, preserve rest
3285                    let mut chars: Vec<char> = feature.chars().collect();
3286                    if let Some(first) = chars.first_mut() {
3287                        *first = first.to_uppercase().next().unwrap_or(*first);
3288                    }
3289                    return chars.into_iter().collect();
3290                }
3291            }
3292        }
3293    }
3294
3295    // Fallback: Use the latest commit without WIP prefix
3296    if let Some(first) = messages.first() {
3297        let cleaned = first
3298            .trim_start_matches("WIP:")
3299            .trim_start_matches("wip:")
3300            .trim_start_matches("WIP")
3301            .trim_start_matches("wip")
3302            .trim();
3303
3304        if !cleaned.is_empty() {
3305            return format!("Implement {cleaned}");
3306        }
3307    }
3308
3309    format!("Squashed {} commits", messages.len())
3310}
3311
3312/// Count commits since a given reference
3313pub fn count_commits_since(repo: &GitRepository, since_commit_hash: &str) -> Result<usize> {
3314    let head_commit = repo.get_head_commit()?;
3315    let since_commit = repo.get_commit(since_commit_hash)?;
3316
3317    let mut count = 0;
3318    let mut current = head_commit;
3319
3320    // Walk backwards from HEAD until we reach the since commit
3321    loop {
3322        if current.id() == since_commit.id() {
3323            break;
3324        }
3325
3326        count += 1;
3327
3328        // Get parent commit
3329        if current.parent_count() == 0 {
3330            break; // Reached root commit
3331        }
3332
3333        current = current.parent(0).map_err(CascadeError::Git)?;
3334    }
3335
3336    Ok(count)
3337}
3338
3339/// Land (merge) approved stack entries
3340async fn land_stack(
3341    entry: Option<usize>,
3342    force: bool,
3343    dry_run: bool,
3344    auto: bool,
3345    wait_for_builds: bool,
3346    strategy: Option<MergeStrategyArg>,
3347    build_timeout: u64,
3348) -> Result<()> {
3349    let current_dir = env::current_dir()
3350        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3351
3352    let repo_root = find_repository_root(&current_dir)
3353        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3354
3355    let stack_manager = StackManager::new(&repo_root)?;
3356
3357    // Get stack ID and active stack before moving stack_manager
3358    let stack_id = stack_manager
3359        .get_active_stack()
3360        .map(|s| s.id)
3361        .ok_or_else(|| {
3362            CascadeError::config(
3363                "No active stack. Use 'ca stack create' or 'ca stack switch' to select a stack"
3364                    .to_string(),
3365            )
3366        })?;
3367
3368    let active_stack = stack_manager
3369        .get_active_stack()
3370        .cloned()
3371        .ok_or_else(|| CascadeError::config("No active stack found".to_string()))?;
3372
3373    // Load configuration and create Bitbucket integration
3374    let config_dir = crate::config::get_repo_config_dir(&repo_root)?;
3375    let config_path = config_dir.join("config.json");
3376    let settings = crate::config::Settings::load_from_file(&config_path)?;
3377
3378    let cascade_config = crate::config::CascadeConfig {
3379        bitbucket: Some(settings.bitbucket.clone()),
3380        git: settings.git.clone(),
3381        auth: crate::config::AuthConfig::default(),
3382        cascade: settings.cascade.clone(),
3383    };
3384
3385    let mut integration =
3386        crate::bitbucket::BitbucketIntegration::new(stack_manager, cascade_config)?;
3387
3388    // Get enhanced status
3389    let status = integration.check_enhanced_stack_status(&stack_id).await?;
3390
3391    if status.enhanced_statuses.is_empty() {
3392        println!("❌ No pull requests found to land");
3393        return Ok(());
3394    }
3395
3396    // Filter PRs that are ready to land
3397    let ready_prs: Vec<_> = status
3398        .enhanced_statuses
3399        .iter()
3400        .filter(|pr_status| {
3401            // If specific entry requested, only include that one
3402            if let Some(entry_num) = entry {
3403                // Find the corresponding stack entry for this PR
3404                if let Some(stack_entry) = active_stack.entries.get(entry_num.saturating_sub(1)) {
3405                    // Check if this PR corresponds to the requested entry
3406                    if pr_status.pr.from_ref.display_id != stack_entry.branch {
3407                        return false;
3408                    }
3409                } else {
3410                    return false; // Invalid entry number
3411                }
3412            }
3413
3414            if force {
3415                // If force is enabled, include any open PR
3416                pr_status.pr.state == crate::bitbucket::pull_request::PullRequestState::Open
3417            } else {
3418                pr_status.is_ready_to_land()
3419            }
3420        })
3421        .collect();
3422
3423    if ready_prs.is_empty() {
3424        if let Some(entry_num) = entry {
3425            println!("❌ Entry {entry_num} is not ready to land or doesn't exist");
3426        } else {
3427            println!("❌ No pull requests are ready to land");
3428        }
3429
3430        // Show what's blocking them
3431        println!("\n🚫 Blocking Issues:");
3432        for pr_status in &status.enhanced_statuses {
3433            if pr_status.pr.state == crate::bitbucket::pull_request::PullRequestState::Open {
3434                let blocking = pr_status.get_blocking_reasons();
3435                if !blocking.is_empty() {
3436                    println!("   PR #{}: {}", pr_status.pr.id, blocking.join(", "));
3437                }
3438            }
3439        }
3440
3441        if !force {
3442            println!("\n💡 Use --force to land PRs with blocking issues (dangerous!)");
3443        }
3444        return Ok(());
3445    }
3446
3447    if dry_run {
3448        if let Some(entry_num) = entry {
3449            println!("🏃 Dry Run - Entry {entry_num} that would be landed:");
3450        } else {
3451            println!("🏃 Dry Run - PRs that would be landed:");
3452        }
3453        for pr_status in &ready_prs {
3454            println!("   ✅ PR #{}: {}", pr_status.pr.id, pr_status.pr.title);
3455            if !pr_status.is_ready_to_land() && force {
3456                let blocking = pr_status.get_blocking_reasons();
3457                println!(
3458                    "      ⚠️  Would force land despite: {}",
3459                    blocking.join(", ")
3460                );
3461            }
3462        }
3463        return Ok(());
3464    }
3465
3466    // Default behavior: land all ready PRs (safest approach)
3467    // Only land specific entry if explicitly requested
3468    if entry.is_some() && ready_prs.len() > 1 {
3469        println!(
3470            "🎯 {} PRs are ready to land, but landing only entry #{}",
3471            ready_prs.len(),
3472            entry.unwrap()
3473        );
3474    }
3475
3476    // Setup auto-merge conditions
3477    let merge_strategy: crate::bitbucket::pull_request::MergeStrategy =
3478        strategy.unwrap_or(MergeStrategyArg::Squash).into();
3479    let auto_merge_conditions = crate::bitbucket::pull_request::AutoMergeConditions {
3480        merge_strategy: merge_strategy.clone(),
3481        wait_for_builds,
3482        build_timeout: std::time::Duration::from_secs(build_timeout),
3483        allowed_authors: None, // Allow all authors for now
3484    };
3485
3486    // Land the PRs
3487    println!(
3488        "🚀 Landing {} PR{}...",
3489        ready_prs.len(),
3490        if ready_prs.len() == 1 { "" } else { "s" }
3491    );
3492
3493    let pr_manager = crate::bitbucket::pull_request::PullRequestManager::new(
3494        crate::bitbucket::BitbucketClient::new(&settings.bitbucket)?,
3495    );
3496
3497    // Land PRs in dependency order
3498    let mut landed_count = 0;
3499    let mut failed_count = 0;
3500    let total_ready_prs = ready_prs.len();
3501
3502    for pr_status in ready_prs {
3503        let pr_id = pr_status.pr.id;
3504
3505        print!("🚀 Landing PR #{}: {}", pr_id, pr_status.pr.title);
3506
3507        let land_result = if auto {
3508            // Use auto-merge with conditions checking
3509            pr_manager
3510                .auto_merge_if_ready(pr_id, &auto_merge_conditions)
3511                .await
3512        } else {
3513            // Manual merge without auto-conditions
3514            pr_manager
3515                .merge_pull_request(pr_id, merge_strategy.clone())
3516                .await
3517                .map(
3518                    |pr| crate::bitbucket::pull_request::AutoMergeResult::Merged {
3519                        pr: Box::new(pr),
3520                        merge_strategy: merge_strategy.clone(),
3521                    },
3522                )
3523        };
3524
3525        match land_result {
3526            Ok(crate::bitbucket::pull_request::AutoMergeResult::Merged { .. }) => {
3527                println!(" ✅");
3528                landed_count += 1;
3529
3530                // 🔄 AUTO-RETARGETING: After each merge, retarget remaining PRs
3531                if landed_count < total_ready_prs {
3532                    println!(" Retargeting remaining PRs to latest base...");
3533
3534                    // 1️⃣ CRITICAL: Update base branch to get latest merged state
3535                    let base_branch = active_stack.base_branch.clone();
3536                    let git_repo = crate::git::GitRepository::open(&repo_root)?;
3537
3538                    println!("   📥 Updating base branch: {base_branch}");
3539                    match git_repo.pull(&base_branch) {
3540                        Ok(_) => println!("   ✅ Base branch updated successfully"),
3541                        Err(e) => {
3542                            println!("   ⚠️  Warning: Failed to update base branch: {e}");
3543                            println!(
3544                                "   💡 You may want to manually run: git pull origin {base_branch}"
3545                            );
3546                        }
3547                    }
3548
3549                    // 2️⃣ Use rebase system to retarget remaining PRs
3550                    let temp_manager = StackManager::new(&repo_root)?;
3551                    let stack_for_count = temp_manager
3552                        .get_stack(&stack_id)
3553                        .ok_or_else(|| CascadeError::config("Stack not found"))?;
3554                    let entry_count = stack_for_count.entries.len();
3555                    let plural = if entry_count == 1 { "entry" } else { "entries" };
3556
3557                    println!(); // Spacing
3558                    let rebase_spinner = crate::utils::spinner::Spinner::new_with_output_below(
3559                        format!("Retargeting {} {}", entry_count, plural),
3560                    );
3561
3562                    let mut rebase_manager = crate::stack::RebaseManager::new(
3563                        StackManager::new(&repo_root)?,
3564                        git_repo,
3565                        crate::stack::RebaseOptions {
3566                            strategy: crate::stack::RebaseStrategy::ForcePush,
3567                            target_base: Some(base_branch.clone()),
3568                            progress_printer: Some(rebase_spinner.printer()),
3569                            ..Default::default()
3570                        },
3571                    );
3572
3573                    let rebase_result = rebase_manager.rebase_stack(&stack_id);
3574
3575                    rebase_spinner.stop();
3576                    println!(); // Spacing
3577
3578                    match rebase_result {
3579                        Ok(rebase_result) => {
3580                            if !rebase_result.branch_mapping.is_empty() {
3581                                // Update PRs using the rebase result
3582                                let retarget_config = crate::config::CascadeConfig {
3583                                    bitbucket: Some(settings.bitbucket.clone()),
3584                                    git: settings.git.clone(),
3585                                    auth: crate::config::AuthConfig::default(),
3586                                    cascade: settings.cascade.clone(),
3587                                };
3588                                let mut retarget_integration = BitbucketIntegration::new(
3589                                    StackManager::new(&repo_root)?,
3590                                    retarget_config,
3591                                )?;
3592
3593                                match retarget_integration
3594                                    .update_prs_after_rebase(
3595                                        &stack_id,
3596                                        &rebase_result.branch_mapping,
3597                                    )
3598                                    .await
3599                                {
3600                                    Ok(updated_prs) => {
3601                                        if !updated_prs.is_empty() {
3602                                            println!(
3603                                                "   ✅ Updated {} PRs with new targets",
3604                                                updated_prs.len()
3605                                            );
3606                                        }
3607                                    }
3608                                    Err(e) => {
3609                                        println!("   ⚠️  Failed to update remaining PRs: {e}");
3610                                        println!(
3611                                            "   💡 You may need to run: ca stack rebase --onto {base_branch}"
3612                                        );
3613                                    }
3614                                }
3615                            }
3616                        }
3617                        Err(e) => {
3618                            // 🚨 CONFLICTS DETECTED - Give clear next steps
3619                            println!("   ❌ Auto-retargeting conflicts detected!");
3620                            println!("   📝 To resolve conflicts and continue landing:");
3621                            println!("      1. Resolve conflicts in the affected files");
3622                            println!("      2. Stage resolved files: git add <files>");
3623                            println!("      3. Continue the process: ca stack continue-land");
3624                            println!("      4. Or abort the operation: ca stack abort-land");
3625                            println!();
3626                            println!("   💡 Check current status: ca stack land-status");
3627                            println!("   ⚠️  Error details: {e}");
3628
3629                            // Stop the land operation here - user needs to resolve conflicts
3630                            break;
3631                        }
3632                    }
3633                }
3634            }
3635            Ok(crate::bitbucket::pull_request::AutoMergeResult::NotReady { blocking_reasons }) => {
3636                println!(" ❌ Not ready: {}", blocking_reasons.join(", "));
3637                failed_count += 1;
3638                if !force {
3639                    break;
3640                }
3641            }
3642            Ok(crate::bitbucket::pull_request::AutoMergeResult::Failed { error }) => {
3643                println!(" ❌ Failed: {error}");
3644                failed_count += 1;
3645                if !force {
3646                    break;
3647                }
3648            }
3649            Err(e) => {
3650                println!(" ❌");
3651                eprintln!("Failed to land PR #{pr_id}: {e}");
3652                failed_count += 1;
3653
3654                if !force {
3655                    break;
3656                }
3657            }
3658        }
3659    }
3660
3661    // Show summary
3662    println!("\n🎯 Landing Summary:");
3663    println!("   ✅ Successfully landed: {landed_count}");
3664    if failed_count > 0 {
3665        println!("   ❌ Failed to land: {failed_count}");
3666    }
3667
3668    if landed_count > 0 {
3669        Output::success(" Landing operation completed!");
3670    } else {
3671        println!("❌ No PRs were successfully landed");
3672    }
3673
3674    Ok(())
3675}
3676
3677/// Auto-land all ready PRs (shorthand for land --auto)
3678async fn auto_land_stack(
3679    force: bool,
3680    dry_run: bool,
3681    wait_for_builds: bool,
3682    strategy: Option<MergeStrategyArg>,
3683    build_timeout: u64,
3684) -> Result<()> {
3685    // This is a shorthand for land with --auto
3686    land_stack(
3687        None,
3688        force,
3689        dry_run,
3690        true, // auto = true
3691        wait_for_builds,
3692        strategy,
3693        build_timeout,
3694    )
3695    .await
3696}
3697
3698async fn continue_land() -> Result<()> {
3699    let current_dir = env::current_dir()
3700        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3701
3702    let repo_root = find_repository_root(&current_dir)
3703        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3704
3705    let stack_manager = StackManager::new(&repo_root)?;
3706    let git_repo = crate::git::GitRepository::open(&repo_root)?;
3707    let options = crate::stack::RebaseOptions::default();
3708    let rebase_manager = crate::stack::RebaseManager::new(stack_manager, git_repo, options);
3709
3710    if !rebase_manager.is_rebase_in_progress() {
3711        Output::info("  No rebase in progress");
3712        return Ok(());
3713    }
3714
3715    println!(" Continuing land operation...");
3716    match rebase_manager.continue_rebase() {
3717        Ok(_) => {
3718            Output::success(" Land operation continued successfully");
3719            println!("   Check 'ca stack land-status' for current state");
3720        }
3721        Err(e) => {
3722            warn!("❌ Failed to continue land operation: {}", e);
3723            Output::tip(" You may need to resolve conflicts first:");
3724            println!("   1. Edit conflicted files");
3725            println!("   2. Stage resolved files with 'git add'");
3726            println!("   3. Run 'ca stack continue-land' again");
3727        }
3728    }
3729
3730    Ok(())
3731}
3732
3733async fn abort_land() -> Result<()> {
3734    let current_dir = env::current_dir()
3735        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3736
3737    let repo_root = find_repository_root(&current_dir)
3738        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3739
3740    let stack_manager = StackManager::new(&repo_root)?;
3741    let git_repo = crate::git::GitRepository::open(&repo_root)?;
3742    let options = crate::stack::RebaseOptions::default();
3743    let rebase_manager = crate::stack::RebaseManager::new(stack_manager, git_repo, options);
3744
3745    if !rebase_manager.is_rebase_in_progress() {
3746        Output::info("  No rebase in progress");
3747        return Ok(());
3748    }
3749
3750    println!("⚠️  Aborting land operation...");
3751    match rebase_manager.abort_rebase() {
3752        Ok(_) => {
3753            Output::success(" Land operation aborted successfully");
3754            println!("   Repository restored to pre-land state");
3755        }
3756        Err(e) => {
3757            warn!("❌ Failed to abort land operation: {}", e);
3758            println!("⚠️  You may need to manually clean up the repository state");
3759        }
3760    }
3761
3762    Ok(())
3763}
3764
3765async fn land_status() -> Result<()> {
3766    let current_dir = env::current_dir()
3767        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3768
3769    let repo_root = find_repository_root(&current_dir)
3770        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3771
3772    let stack_manager = StackManager::new(&repo_root)?;
3773    let git_repo = crate::git::GitRepository::open(&repo_root)?;
3774
3775    println!("Land Status");
3776
3777    // Check if land operation is in progress by checking git state directly
3778    let git_dir = repo_root.join(".git");
3779    let land_in_progress = git_dir.join("REBASE_HEAD").exists()
3780        || git_dir.join("rebase-merge").exists()
3781        || git_dir.join("rebase-apply").exists();
3782
3783    if land_in_progress {
3784        println!("   Status: 🔄 Land operation in progress");
3785        println!(
3786            "   
3787📝 Actions available:"
3788        );
3789        println!("     - 'ca stack continue-land' to continue");
3790        println!("     - 'ca stack abort-land' to abort");
3791        println!("     - 'git status' to see conflicted files");
3792
3793        // Check for conflicts
3794        match git_repo.get_status() {
3795            Ok(statuses) => {
3796                let mut conflicts = Vec::new();
3797                for status in statuses.iter() {
3798                    if status.status().contains(git2::Status::CONFLICTED) {
3799                        if let Some(path) = status.path() {
3800                            conflicts.push(path.to_string());
3801                        }
3802                    }
3803                }
3804
3805                if !conflicts.is_empty() {
3806                    println!("   ⚠️  Conflicts in {} files:", conflicts.len());
3807                    for conflict in conflicts {
3808                        println!("      - {conflict}");
3809                    }
3810                    println!(
3811                        "   
3812💡 To resolve conflicts:"
3813                    );
3814                    println!("     1. Edit the conflicted files");
3815                    println!("     2. Stage resolved files: git add <file>");
3816                    println!("     3. Continue: ca stack continue-land");
3817                }
3818            }
3819            Err(e) => {
3820                warn!("Failed to get git status: {}", e);
3821            }
3822        }
3823    } else {
3824        println!("   Status: ✅ No land operation in progress");
3825
3826        // Show stack status instead
3827        if let Some(active_stack) = stack_manager.get_active_stack() {
3828            println!("   Active stack: {}", active_stack.name);
3829            println!("   Entries: {}", active_stack.entries.len());
3830            println!("   Base branch: {}", active_stack.base_branch);
3831        }
3832    }
3833
3834    Ok(())
3835}
3836
3837async fn repair_stack_data() -> Result<()> {
3838    let current_dir = env::current_dir()
3839        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3840
3841    let repo_root = find_repository_root(&current_dir)
3842        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3843
3844    let mut stack_manager = StackManager::new(&repo_root)?;
3845
3846    println!("🔧 Repairing stack data consistency...");
3847
3848    stack_manager.repair_all_stacks()?;
3849
3850    Output::success(" Stack data consistency repaired successfully!");
3851    Output::tip(" Run 'ca stack --mergeable' to see updated status");
3852
3853    Ok(())
3854}
3855
3856/// Clean up merged and stale branches
3857async fn cleanup_branches(
3858    dry_run: bool,
3859    force: bool,
3860    include_stale: bool,
3861    stale_days: u32,
3862    cleanup_remote: bool,
3863    include_non_stack: bool,
3864    verbose: bool,
3865) -> Result<()> {
3866    let current_dir = env::current_dir()
3867        .map_err(|e| CascadeError::config(format!("Could not get current directory: {e}")))?;
3868
3869    let repo_root = find_repository_root(&current_dir)
3870        .map_err(|e| CascadeError::config(format!("Could not find git repository: {e}")))?;
3871
3872    let stack_manager = StackManager::new(&repo_root)?;
3873    let git_repo = GitRepository::open(&repo_root)?;
3874
3875    let result = perform_cleanup(
3876        &stack_manager,
3877        &git_repo,
3878        dry_run,
3879        force,
3880        include_stale,
3881        stale_days,
3882        cleanup_remote,
3883        include_non_stack,
3884        verbose,
3885    )
3886    .await?;
3887
3888    // Display results
3889    if result.total_candidates == 0 {
3890        Output::success("No branches found that need cleanup");
3891        return Ok(());
3892    }
3893
3894    Output::section("Cleanup Results");
3895
3896    if dry_run {
3897        Output::sub_item(format!(
3898            "Found {} branches that would be cleaned up",
3899            result.total_candidates
3900        ));
3901    } else {
3902        if !result.cleaned_branches.is_empty() {
3903            Output::success(format!(
3904                "Successfully cleaned up {} branches",
3905                result.cleaned_branches.len()
3906            ));
3907            for branch in &result.cleaned_branches {
3908                Output::sub_item(format!("🗑️  Deleted: {branch}"));
3909            }
3910        }
3911
3912        if !result.skipped_branches.is_empty() {
3913            Output::sub_item(format!(
3914                "Skipped {} branches",
3915                result.skipped_branches.len()
3916            ));
3917            if verbose {
3918                for (branch, reason) in &result.skipped_branches {
3919                    Output::sub_item(format!("⏭️  {branch}: {reason}"));
3920                }
3921            }
3922        }
3923
3924        if !result.failed_branches.is_empty() {
3925            Output::warning(format!(
3926                "Failed to clean up {} branches",
3927                result.failed_branches.len()
3928            ));
3929            for (branch, error) in &result.failed_branches {
3930                Output::sub_item(format!("❌ {branch}: {error}"));
3931            }
3932        }
3933    }
3934
3935    Ok(())
3936}
3937
3938/// Perform cleanup with the given options
3939#[allow(clippy::too_many_arguments)]
3940async fn perform_cleanup(
3941    stack_manager: &StackManager,
3942    git_repo: &GitRepository,
3943    dry_run: bool,
3944    force: bool,
3945    include_stale: bool,
3946    stale_days: u32,
3947    cleanup_remote: bool,
3948    include_non_stack: bool,
3949    verbose: bool,
3950) -> Result<CleanupResult> {
3951    let options = CleanupOptions {
3952        dry_run,
3953        force,
3954        include_stale,
3955        cleanup_remote,
3956        stale_threshold_days: stale_days,
3957        cleanup_non_stack: include_non_stack,
3958    };
3959
3960    let stack_manager_copy = StackManager::new(stack_manager.repo_path())?;
3961    let git_repo_copy = GitRepository::open(git_repo.path())?;
3962    let mut cleanup_manager = CleanupManager::new(stack_manager_copy, git_repo_copy, options);
3963
3964    // Find candidates
3965    let candidates = cleanup_manager.find_cleanup_candidates()?;
3966
3967    if candidates.is_empty() {
3968        return Ok(CleanupResult {
3969            cleaned_branches: Vec::new(),
3970            failed_branches: Vec::new(),
3971            skipped_branches: Vec::new(),
3972            total_candidates: 0,
3973        });
3974    }
3975
3976    // Show candidates if verbose or dry run
3977    if verbose || dry_run {
3978        Output::section("Cleanup Candidates");
3979        for candidate in &candidates {
3980            let reason_icon = match candidate.reason {
3981                crate::stack::CleanupReason::FullyMerged => "🔀",
3982                crate::stack::CleanupReason::StackEntryMerged => "✅",
3983                crate::stack::CleanupReason::Stale => "⏰",
3984                crate::stack::CleanupReason::Orphaned => "👻",
3985            };
3986
3987            Output::sub_item(format!(
3988                "{} {} - {} ({})",
3989                reason_icon,
3990                candidate.branch_name,
3991                candidate.reason_to_string(),
3992                candidate.safety_info
3993            ));
3994        }
3995    }
3996
3997    // If not force and not dry run, ask for confirmation
3998    if !force && !dry_run && !candidates.is_empty() {
3999        Output::warning(format!("About to delete {} branches", candidates.len()));
4000
4001        // Show first few branch names for context
4002        let preview_count = 5.min(candidates.len());
4003        for candidate in candidates.iter().take(preview_count) {
4004            println!("  • {}", candidate.branch_name);
4005        }
4006        if candidates.len() > preview_count {
4007            println!("  ... and {} more", candidates.len() - preview_count);
4008        }
4009        println!(); // Spacing before prompt
4010
4011        // Interactive confirmation to proceed with cleanup
4012        let should_continue = Confirm::with_theme(&ColorfulTheme::default())
4013            .with_prompt("Continue with branch cleanup?")
4014            .default(false)
4015            .interact()
4016            .map_err(|e| CascadeError::config(format!("Failed to get user confirmation: {e}")))?;
4017
4018        if !should_continue {
4019            Output::sub_item("Cleanup cancelled");
4020            return Ok(CleanupResult {
4021                cleaned_branches: Vec::new(),
4022                failed_branches: Vec::new(),
4023                skipped_branches: Vec::new(),
4024                total_candidates: candidates.len(),
4025            });
4026        }
4027    }
4028
4029    // Perform cleanup
4030    cleanup_manager.perform_cleanup(&candidates)
4031}
4032
4033/// Simple perform_cleanup for sync command
4034async fn perform_simple_cleanup(
4035    stack_manager: &StackManager,
4036    git_repo: &GitRepository,
4037    dry_run: bool,
4038) -> Result<CleanupResult> {
4039    perform_cleanup(
4040        stack_manager,
4041        git_repo,
4042        dry_run,
4043        false, // force
4044        false, // include_stale
4045        30,    // stale_days
4046        false, // cleanup_remote
4047        false, // include_non_stack
4048        false, // verbose
4049    )
4050    .await
4051}
4052
4053/// Analyze commits for various safeguards before pushing
4054async fn analyze_commits_for_safeguards(
4055    commits_to_push: &[String],
4056    repo: &GitRepository,
4057    dry_run: bool,
4058) -> Result<()> {
4059    const LARGE_COMMIT_THRESHOLD: usize = 10;
4060    const WEEK_IN_SECONDS: i64 = 7 * 24 * 3600;
4061
4062    // 🛡️ SAFEGUARD 1: Large commit count warning
4063    if commits_to_push.len() > LARGE_COMMIT_THRESHOLD {
4064        println!(
4065            "⚠️  Warning: About to push {} commits to stack",
4066            commits_to_push.len()
4067        );
4068        println!("   This may indicate a merge commit issue or unexpected commit range.");
4069        println!("   Large commit counts often result from merging instead of rebasing.");
4070
4071        if !dry_run && !confirm_large_push(commits_to_push.len())? {
4072            return Err(CascadeError::config("Push cancelled by user"));
4073        }
4074    }
4075
4076    // Get commit objects for further analysis
4077    let commit_objects: Result<Vec<_>> = commits_to_push
4078        .iter()
4079        .map(|hash| repo.get_commit(hash))
4080        .collect();
4081    let commit_objects = commit_objects?;
4082
4083    // 🛡️ SAFEGUARD 2: Merge commit detection
4084    let merge_commits: Vec<_> = commit_objects
4085        .iter()
4086        .filter(|c| c.parent_count() > 1)
4087        .collect();
4088
4089    if !merge_commits.is_empty() {
4090        println!(
4091            "⚠️  Warning: {} merge commits detected in push",
4092            merge_commits.len()
4093        );
4094        println!("   This often indicates you merged instead of rebased.");
4095        println!("   Consider using 'ca sync' to rebase on the base branch.");
4096        println!("   Merge commits in stacks can cause confusion and duplicate work.");
4097    }
4098
4099    // 🛡️ SAFEGUARD 3: Commit age warning
4100    if commit_objects.len() > 1 {
4101        let oldest_commit_time = commit_objects.first().unwrap().time().seconds();
4102        let newest_commit_time = commit_objects.last().unwrap().time().seconds();
4103        let time_span = newest_commit_time - oldest_commit_time;
4104
4105        if time_span > WEEK_IN_SECONDS {
4106            let days = time_span / (24 * 3600);
4107            println!("⚠️  Warning: Commits span {days} days");
4108            println!("   This may indicate merged history rather than new work.");
4109            println!("   Recent work should typically span hours or days, not weeks.");
4110        }
4111    }
4112
4113    // 🛡️ SAFEGUARD 4: Better range detection suggestions
4114    if commits_to_push.len() > 5 {
4115        Output::tip(" Tip: If you only want recent commits, use:");
4116        println!(
4117            "   ca push --since HEAD~{}  # pushes last {} commits",
4118            std::cmp::min(commits_to_push.len(), 5),
4119            std::cmp::min(commits_to_push.len(), 5)
4120        );
4121        println!("   ca push --commits <hash1>,<hash2>  # pushes specific commits");
4122        println!("   ca push --dry-run  # preview what would be pushed");
4123    }
4124
4125    // 🛡️ SAFEGUARD 5: Dry run mode
4126    if dry_run {
4127        println!("🔍 DRY RUN: Would push {} commits:", commits_to_push.len());
4128        for (i, (commit_hash, commit_obj)) in commits_to_push
4129            .iter()
4130            .zip(commit_objects.iter())
4131            .enumerate()
4132        {
4133            let summary = commit_obj.summary().unwrap_or("(no message)");
4134            let short_hash = &commit_hash[..std::cmp::min(commit_hash.len(), 7)];
4135            println!("  {}: {} ({})", i + 1, summary, short_hash);
4136        }
4137        Output::tip(" Run without --dry-run to actually push these commits.");
4138    }
4139
4140    Ok(())
4141}
4142
4143/// Prompt user for confirmation when pushing large number of commits
4144fn confirm_large_push(count: usize) -> Result<bool> {
4145    // Interactive confirmation for large push
4146    let should_continue = Confirm::with_theme(&ColorfulTheme::default())
4147        .with_prompt(format!("Continue pushing {count} commits?"))
4148        .default(false)
4149        .interact()
4150        .map_err(|e| CascadeError::config(format!("Failed to get user confirmation: {e}")))?;
4151
4152    Ok(should_continue)
4153}
4154
4155#[cfg(test)]
4156mod tests {
4157    use super::*;
4158    use std::process::Command;
4159    use tempfile::TempDir;
4160
4161    fn create_test_repo() -> Result<(TempDir, std::path::PathBuf)> {
4162        let temp_dir = TempDir::new()
4163            .map_err(|e| CascadeError::config(format!("Failed to create temp directory: {e}")))?;
4164        let repo_path = temp_dir.path().to_path_buf();
4165
4166        // Initialize git repository
4167        let output = Command::new("git")
4168            .args(["init"])
4169            .current_dir(&repo_path)
4170            .output()
4171            .map_err(|e| CascadeError::config(format!("Failed to run git init: {e}")))?;
4172        if !output.status.success() {
4173            return Err(CascadeError::config("Git init failed".to_string()));
4174        }
4175
4176        let output = Command::new("git")
4177            .args(["config", "user.name", "Test User"])
4178            .current_dir(&repo_path)
4179            .output()
4180            .map_err(|e| CascadeError::config(format!("Failed to run git config: {e}")))?;
4181        if !output.status.success() {
4182            return Err(CascadeError::config(
4183                "Git config user.name failed".to_string(),
4184            ));
4185        }
4186
4187        let output = Command::new("git")
4188            .args(["config", "user.email", "test@example.com"])
4189            .current_dir(&repo_path)
4190            .output()
4191            .map_err(|e| CascadeError::config(format!("Failed to run git config: {e}")))?;
4192        if !output.status.success() {
4193            return Err(CascadeError::config(
4194                "Git config user.email failed".to_string(),
4195            ));
4196        }
4197
4198        // Create initial commit
4199        std::fs::write(repo_path.join("README.md"), "# Test")
4200            .map_err(|e| CascadeError::config(format!("Failed to write file: {e}")))?;
4201        let output = Command::new("git")
4202            .args(["add", "."])
4203            .current_dir(&repo_path)
4204            .output()
4205            .map_err(|e| CascadeError::config(format!("Failed to run git add: {e}")))?;
4206        if !output.status.success() {
4207            return Err(CascadeError::config("Git add failed".to_string()));
4208        }
4209
4210        let output = Command::new("git")
4211            .args(["commit", "-m", "Initial commit"])
4212            .current_dir(&repo_path)
4213            .output()
4214            .map_err(|e| CascadeError::config(format!("Failed to run git commit: {e}")))?;
4215        if !output.status.success() {
4216            return Err(CascadeError::config("Git commit failed".to_string()));
4217        }
4218
4219        // Initialize cascade
4220        crate::config::initialize_repo(&repo_path, Some("https://test.bitbucket.com".to_string()))?;
4221
4222        Ok((temp_dir, repo_path))
4223    }
4224
4225    #[tokio::test]
4226    async fn test_create_stack() {
4227        let (temp_dir, repo_path) = match create_test_repo() {
4228            Ok(repo) => repo,
4229            Err(_) => {
4230                println!("Skipping test due to git environment setup failure");
4231                return;
4232            }
4233        };
4234        // IMPORTANT: temp_dir must stay in scope to prevent early cleanup of test directory
4235        let _ = &temp_dir;
4236
4237        // Note: create_test_repo() already initializes Cascade configuration
4238
4239        // Change to the repo directory (with proper error handling)
4240        let original_dir = env::current_dir().map_err(|_| "Failed to get current dir");
4241        match env::set_current_dir(&repo_path) {
4242            Ok(_) => {
4243                let result = create_stack(
4244                    "test-stack".to_string(),
4245                    None, // Use default branch
4246                    Some("Test description".to_string()),
4247                )
4248                .await;
4249
4250                // Restore original directory (best effort)
4251                if let Ok(orig) = original_dir {
4252                    let _ = env::set_current_dir(orig);
4253                }
4254
4255                assert!(
4256                    result.is_ok(),
4257                    "Stack creation should succeed in initialized repository"
4258                );
4259            }
4260            Err(_) => {
4261                // Skip test if we can't change directories (CI environment issue)
4262                println!("Skipping test due to directory access restrictions");
4263            }
4264        }
4265    }
4266
4267    #[tokio::test]
4268    async fn test_list_empty_stacks() {
4269        let (temp_dir, repo_path) = match create_test_repo() {
4270            Ok(repo) => repo,
4271            Err(_) => {
4272                println!("Skipping test due to git environment setup failure");
4273                return;
4274            }
4275        };
4276        // IMPORTANT: temp_dir must stay in scope to prevent early cleanup of test directory
4277        let _ = &temp_dir;
4278
4279        // Note: create_test_repo() already initializes Cascade configuration
4280
4281        // Change to the repo directory (with proper error handling)
4282        let original_dir = env::current_dir().map_err(|_| "Failed to get current dir");
4283        match env::set_current_dir(&repo_path) {
4284            Ok(_) => {
4285                let result = list_stacks(false, false, None).await;
4286
4287                // Restore original directory (best effort)
4288                if let Ok(orig) = original_dir {
4289                    let _ = env::set_current_dir(orig);
4290                }
4291
4292                assert!(
4293                    result.is_ok(),
4294                    "Listing stacks should succeed in initialized repository"
4295                );
4296            }
4297            Err(_) => {
4298                // Skip test if we can't change directories (CI environment issue)
4299                println!("Skipping test due to directory access restrictions");
4300            }
4301        }
4302    }
4303
4304    // Tests for squashing functionality
4305
4306    #[test]
4307    fn test_extract_feature_from_wip_basic() {
4308        let messages = vec![
4309            "WIP: add authentication".to_string(),
4310            "WIP: implement login flow".to_string(),
4311        ];
4312
4313        let result = extract_feature_from_wip(&messages);
4314        assert_eq!(result, "Add authentication");
4315    }
4316
4317    #[test]
4318    fn test_extract_feature_from_wip_capitalize() {
4319        let messages = vec!["WIP: fix user validation bug".to_string()];
4320
4321        let result = extract_feature_from_wip(&messages);
4322        assert_eq!(result, "Fix user validation bug");
4323    }
4324
4325    #[test]
4326    fn test_extract_feature_from_wip_fallback() {
4327        let messages = vec![
4328            "WIP user interface changes".to_string(),
4329            "wip: css styling".to_string(),
4330        ];
4331
4332        let result = extract_feature_from_wip(&messages);
4333        // Should create a fallback message since no "WIP:" prefix found
4334        assert!(result.contains("Implement") || result.contains("Squashed") || result.len() > 5);
4335    }
4336
4337    #[test]
4338    fn test_extract_feature_from_wip_empty() {
4339        let messages = vec![];
4340
4341        let result = extract_feature_from_wip(&messages);
4342        assert_eq!(result, "Squashed 0 commits");
4343    }
4344
4345    #[test]
4346    fn test_extract_feature_from_wip_short_message() {
4347        let messages = vec!["WIP: x".to_string()]; // Too short
4348
4349        let result = extract_feature_from_wip(&messages);
4350        assert!(result.starts_with("Implement") || result.contains("Squashed"));
4351    }
4352
4353    // Integration tests for squashing that don't require real git commits
4354
4355    #[test]
4356    fn test_squash_message_final_strategy() {
4357        // This test would need real git2::Commit objects, so we'll test the logic indirectly
4358        // through the extract_feature_from_wip function which handles the core logic
4359
4360        let messages = [
4361            "Final: implement user authentication system".to_string(),
4362            "WIP: add tests".to_string(),
4363            "WIP: fix validation".to_string(),
4364        ];
4365
4366        // Test that we can identify final commits
4367        assert!(messages[0].starts_with("Final:"));
4368
4369        // Test message extraction
4370        let extracted = messages[0].trim_start_matches("Final:").trim();
4371        assert_eq!(extracted, "implement user authentication system");
4372    }
4373
4374    #[test]
4375    fn test_squash_message_wip_detection() {
4376        let messages = [
4377            "WIP: start feature".to_string(),
4378            "WIP: continue work".to_string(),
4379            "WIP: almost done".to_string(),
4380            "Regular commit message".to_string(),
4381        ];
4382
4383        let wip_count = messages
4384            .iter()
4385            .filter(|m| {
4386                m.to_lowercase().starts_with("wip") || m.to_lowercase().contains("work in progress")
4387            })
4388            .count();
4389
4390        assert_eq!(wip_count, 3); // Should detect 3 WIP commits
4391        assert!(wip_count > messages.len() / 2); // Majority are WIP
4392
4393        // Should find the non-WIP message
4394        let non_wip: Vec<&String> = messages
4395            .iter()
4396            .filter(|m| {
4397                !m.to_lowercase().starts_with("wip")
4398                    && !m.to_lowercase().contains("work in progress")
4399            })
4400            .collect();
4401
4402        assert_eq!(non_wip.len(), 1);
4403        assert_eq!(non_wip[0], "Regular commit message");
4404    }
4405
4406    #[test]
4407    fn test_squash_message_all_wip() {
4408        let messages = vec![
4409            "WIP: add feature A".to_string(),
4410            "WIP: add feature B".to_string(),
4411            "WIP: finish implementation".to_string(),
4412        ];
4413
4414        let result = extract_feature_from_wip(&messages);
4415        // Should use the first message as the main feature
4416        assert_eq!(result, "Add feature A");
4417    }
4418
4419    #[test]
4420    fn test_squash_message_edge_cases() {
4421        // Test empty messages
4422        let empty_messages: Vec<String> = vec![];
4423        let result = extract_feature_from_wip(&empty_messages);
4424        assert_eq!(result, "Squashed 0 commits");
4425
4426        // Test messages with only whitespace
4427        let whitespace_messages = vec!["   ".to_string(), "\t\n".to_string()];
4428        let result = extract_feature_from_wip(&whitespace_messages);
4429        assert!(result.contains("Squashed") || result.contains("Implement"));
4430
4431        // Test case sensitivity
4432        let mixed_case = vec!["wip: Add Feature".to_string()];
4433        let result = extract_feature_from_wip(&mixed_case);
4434        assert_eq!(result, "Add Feature");
4435    }
4436
4437    // Tests for auto-land functionality
4438
4439    #[tokio::test]
4440    async fn test_auto_land_wrapper() {
4441        // Test that auto_land_stack correctly calls land_stack with auto=true
4442        let (temp_dir, repo_path) = match create_test_repo() {
4443            Ok(repo) => repo,
4444            Err(_) => {
4445                println!("Skipping test due to git environment setup failure");
4446                return;
4447            }
4448        };
4449        // IMPORTANT: temp_dir must stay in scope to prevent early cleanup of test directory
4450        let _ = &temp_dir;
4451
4452        // Initialize cascade in the test repo
4453        crate::config::initialize_repo(&repo_path, Some("https://test.bitbucket.com".to_string()))
4454            .expect("Failed to initialize Cascade in test repo");
4455
4456        let original_dir = env::current_dir().map_err(|_| "Failed to get current dir");
4457        match env::set_current_dir(&repo_path) {
4458            Ok(_) => {
4459                // Create a stack first
4460                let result = create_stack(
4461                    "test-stack".to_string(),
4462                    None,
4463                    Some("Test stack for auto-land".to_string()),
4464                )
4465                .await;
4466
4467                if let Ok(orig) = original_dir {
4468                    let _ = env::set_current_dir(orig);
4469                }
4470
4471                // For now, just test that the function can be called without panic
4472                // (It will fail due to missing Bitbucket config, but that's expected)
4473                assert!(
4474                    result.is_ok(),
4475                    "Stack creation should succeed in initialized repository"
4476                );
4477            }
4478            Err(_) => {
4479                println!("Skipping test due to directory access restrictions");
4480            }
4481        }
4482    }
4483
4484    #[test]
4485    fn test_auto_land_action_enum() {
4486        // Test that AutoLand action is properly defined
4487        use crate::cli::commands::stack::StackAction;
4488
4489        // This ensures the AutoLand variant exists and has the expected fields
4490        let _action = StackAction::AutoLand {
4491            force: false,
4492            dry_run: true,
4493            wait_for_builds: true,
4494            strategy: Some(MergeStrategyArg::Squash),
4495            build_timeout: 1800,
4496        };
4497
4498        // Test passes if we reach this point without errors
4499    }
4500
4501    #[test]
4502    fn test_merge_strategy_conversion() {
4503        // Test that MergeStrategyArg converts properly
4504        let squash_strategy = MergeStrategyArg::Squash;
4505        let merge_strategy: crate::bitbucket::pull_request::MergeStrategy = squash_strategy.into();
4506
4507        match merge_strategy {
4508            crate::bitbucket::pull_request::MergeStrategy::Squash => {
4509                // Correct conversion
4510            }
4511            _ => unreachable!("SquashStrategyArg only has Squash variant"),
4512        }
4513
4514        let merge_strategy = MergeStrategyArg::Merge;
4515        let converted: crate::bitbucket::pull_request::MergeStrategy = merge_strategy.into();
4516
4517        match converted {
4518            crate::bitbucket::pull_request::MergeStrategy::Merge => {
4519                // Correct conversion
4520            }
4521            _ => unreachable!("MergeStrategyArg::Merge maps to MergeStrategy::Merge"),
4522        }
4523    }
4524
4525    #[test]
4526    fn test_auto_merge_conditions_structure() {
4527        // Test that AutoMergeConditions can be created with expected values
4528        use std::time::Duration;
4529
4530        let conditions = crate::bitbucket::pull_request::AutoMergeConditions {
4531            merge_strategy: crate::bitbucket::pull_request::MergeStrategy::Squash,
4532            wait_for_builds: true,
4533            build_timeout: Duration::from_secs(1800),
4534            allowed_authors: None,
4535        };
4536
4537        // Verify the conditions are set as expected for auto-land
4538        assert!(conditions.wait_for_builds);
4539        assert_eq!(conditions.build_timeout.as_secs(), 1800);
4540        assert!(conditions.allowed_authors.is_none());
4541        assert!(matches!(
4542            conditions.merge_strategy,
4543            crate::bitbucket::pull_request::MergeStrategy::Squash
4544        ));
4545    }
4546
4547    #[test]
4548    fn test_polling_constants() {
4549        // Test that polling frequency is documented and reasonable
4550        use std::time::Duration;
4551
4552        // The polling frequency should be 30 seconds as mentioned in documentation
4553        let expected_polling_interval = Duration::from_secs(30);
4554
4555        // Verify it's a reasonable value (not too frequent, not too slow)
4556        assert!(expected_polling_interval.as_secs() >= 10); // At least 10 seconds
4557        assert!(expected_polling_interval.as_secs() <= 60); // At most 1 minute
4558        assert_eq!(expected_polling_interval.as_secs(), 30); // Exactly 30 seconds
4559    }
4560
4561    #[test]
4562    fn test_build_timeout_defaults() {
4563        // Verify build timeout default is reasonable
4564        const DEFAULT_TIMEOUT: u64 = 1800; // 30 minutes
4565        assert_eq!(DEFAULT_TIMEOUT, 1800);
4566        // Test that our default timeout value is within reasonable bounds
4567        let timeout_value = 1800u64;
4568        assert!(timeout_value >= 300); // At least 5 minutes
4569        assert!(timeout_value <= 3600); // At most 1 hour
4570    }
4571
4572    #[test]
4573    fn test_scattered_commit_detection() {
4574        use std::collections::HashSet;
4575
4576        // Test scattered commit detection logic
4577        let mut source_branches = HashSet::new();
4578        source_branches.insert("feature-branch-1".to_string());
4579        source_branches.insert("feature-branch-2".to_string());
4580        source_branches.insert("feature-branch-3".to_string());
4581
4582        // Single branch should not trigger warning
4583        let single_branch = HashSet::from(["main".to_string()]);
4584        assert_eq!(single_branch.len(), 1);
4585
4586        // Multiple branches should trigger warning
4587        assert!(source_branches.len() > 1);
4588        assert_eq!(source_branches.len(), 3);
4589
4590        // Verify branch names are preserved correctly
4591        assert!(source_branches.contains("feature-branch-1"));
4592        assert!(source_branches.contains("feature-branch-2"));
4593        assert!(source_branches.contains("feature-branch-3"));
4594    }
4595
4596    #[test]
4597    fn test_source_branch_tracking() {
4598        // Test that source branch tracking correctly handles different scenarios
4599
4600        // Same branch should be consistent
4601        let branch_a = "feature-work";
4602        let branch_b = "feature-work";
4603        assert_eq!(branch_a, branch_b);
4604
4605        // Different branches should be detected
4606        let branch_1 = "feature-ui";
4607        let branch_2 = "feature-api";
4608        assert_ne!(branch_1, branch_2);
4609
4610        // Branch naming patterns
4611        assert!(branch_1.starts_with("feature-"));
4612        assert!(branch_2.starts_with("feature-"));
4613    }
4614
4615    // Tests for new default behavior (removing --all flag)
4616
4617    #[tokio::test]
4618    async fn test_push_default_behavior() {
4619        // Test the push_to_stack function structure and error handling in an isolated environment
4620        let (temp_dir, repo_path) = match create_test_repo() {
4621            Ok(repo) => repo,
4622            Err(_) => {
4623                println!("Skipping test due to git environment setup failure");
4624                return;
4625            }
4626        };
4627        // IMPORTANT: temp_dir must stay in scope to prevent early cleanup of test directory
4628        let _ = &temp_dir;
4629
4630        // Verify directory exists before changing to it
4631        if !repo_path.exists() {
4632            println!("Skipping test due to temporary directory creation issue");
4633            return;
4634        }
4635
4636        // Change to the test repository directory to ensure isolation
4637        let original_dir = env::current_dir().map_err(|_| "Failed to get current dir");
4638
4639        match env::set_current_dir(&repo_path) {
4640            Ok(_) => {
4641                // Test that push_to_stack properly handles the case when no stack is active
4642                let result = push_to_stack(
4643                    None,  // branch
4644                    None,  // message
4645                    None,  // commit
4646                    None,  // since
4647                    None,  // commits
4648                    None,  // squash
4649                    None,  // squash_since
4650                    false, // auto_branch
4651                    false, // allow_base_branch
4652                    false, // dry_run
4653                )
4654                .await;
4655
4656                // Restore original directory (best effort)
4657                if let Ok(orig) = original_dir {
4658                    let _ = env::set_current_dir(orig);
4659                }
4660
4661                // Should fail gracefully with appropriate error message when no stack is active
4662                match &result {
4663                    Err(e) => {
4664                        let error_msg = e.to_string();
4665                        // This is the expected behavior - no active stack should produce this error
4666                        assert!(
4667                            error_msg.contains("No active stack")
4668                                || error_msg.contains("config")
4669                                || error_msg.contains("current directory")
4670                                || error_msg.contains("Not a git repository")
4671                                || error_msg.contains("could not find repository"),
4672                            "Expected 'No active stack' or repository error, got: {error_msg}"
4673                        );
4674                    }
4675                    Ok(_) => {
4676                        // If it somehow succeeds, that's also fine (e.g., if environment is set up differently)
4677                        println!(
4678                            "Push succeeded unexpectedly - test environment may have active stack"
4679                        );
4680                    }
4681                }
4682            }
4683            Err(_) => {
4684                // Skip test if we can't change directories (CI environment issue)
4685                println!("Skipping test due to directory access restrictions");
4686            }
4687        }
4688
4689        // Verify we can construct the command structure correctly
4690        let push_action = StackAction::Push {
4691            branch: None,
4692            message: None,
4693            commit: None,
4694            since: None,
4695            commits: None,
4696            squash: None,
4697            squash_since: None,
4698            auto_branch: false,
4699            allow_base_branch: false,
4700            dry_run: false,
4701        };
4702
4703        assert!(matches!(
4704            push_action,
4705            StackAction::Push {
4706                branch: None,
4707                message: None,
4708                commit: None,
4709                since: None,
4710                commits: None,
4711                squash: None,
4712                squash_since: None,
4713                auto_branch: false,
4714                allow_base_branch: false,
4715                dry_run: false
4716            }
4717        ));
4718    }
4719
4720    #[tokio::test]
4721    async fn test_submit_default_behavior() {
4722        // Test the submit_entry function structure and error handling in an isolated environment
4723        let (temp_dir, repo_path) = match create_test_repo() {
4724            Ok(repo) => repo,
4725            Err(_) => {
4726                println!("Skipping test due to git environment setup failure");
4727                return;
4728            }
4729        };
4730        // IMPORTANT: temp_dir must stay in scope to prevent early cleanup of test directory
4731        let _ = &temp_dir;
4732
4733        // Verify directory exists before changing to it
4734        if !repo_path.exists() {
4735            println!("Skipping test due to temporary directory creation issue");
4736            return;
4737        }
4738
4739        // Change to the test repository directory to ensure isolation
4740        let original_dir = match env::current_dir() {
4741            Ok(dir) => dir,
4742            Err(_) => {
4743                println!("Skipping test due to current directory access restrictions");
4744                return;
4745            }
4746        };
4747
4748        match env::set_current_dir(&repo_path) {
4749            Ok(_) => {
4750                // Test that submit_entry properly handles the case when no stack is active
4751                let result = submit_entry(
4752                    None,  // entry (should default to all unsubmitted)
4753                    None,  // title
4754                    None,  // description
4755                    None,  // range
4756                    false, // draft
4757                    true,  // open
4758                )
4759                .await;
4760
4761                // Restore original directory
4762                let _ = env::set_current_dir(original_dir);
4763
4764                // Should fail gracefully with appropriate error message when no stack is active
4765                match &result {
4766                    Err(e) => {
4767                        let error_msg = e.to_string();
4768                        // This is the expected behavior - no active stack should produce this error
4769                        assert!(
4770                            error_msg.contains("No active stack")
4771                                || error_msg.contains("config")
4772                                || error_msg.contains("current directory")
4773                                || error_msg.contains("Not a git repository")
4774                                || error_msg.contains("could not find repository"),
4775                            "Expected 'No active stack' or repository error, got: {error_msg}"
4776                        );
4777                    }
4778                    Ok(_) => {
4779                        // If it somehow succeeds, that's also fine (e.g., if environment is set up differently)
4780                        println!("Submit succeeded unexpectedly - test environment may have active stack");
4781                    }
4782                }
4783            }
4784            Err(_) => {
4785                // Skip test if we can't change directories (CI environment issue)
4786                println!("Skipping test due to directory access restrictions");
4787            }
4788        }
4789
4790        // Verify we can construct the command structure correctly
4791        let submit_action = StackAction::Submit {
4792            entry: None,
4793            title: None,
4794            description: None,
4795            range: None,
4796            draft: true, // Default changed to true
4797            open: true,
4798        };
4799
4800        assert!(matches!(
4801            submit_action,
4802            StackAction::Submit {
4803                entry: None,
4804                title: None,
4805                description: None,
4806                range: None,
4807                draft: true, // Default changed to true
4808                open: true
4809            }
4810        ));
4811    }
4812
4813    #[test]
4814    fn test_targeting_options_still_work() {
4815        // Test that specific targeting options still work correctly
4816
4817        // Test commit list parsing
4818        let commits = "abc123,def456,ghi789";
4819        let parsed: Vec<&str> = commits.split(',').map(|s| s.trim()).collect();
4820        assert_eq!(parsed.len(), 3);
4821        assert_eq!(parsed[0], "abc123");
4822        assert_eq!(parsed[1], "def456");
4823        assert_eq!(parsed[2], "ghi789");
4824
4825        // Test range parsing would work
4826        let range = "1-3";
4827        assert!(range.contains('-'));
4828        let parts: Vec<&str> = range.split('-').collect();
4829        assert_eq!(parts.len(), 2);
4830
4831        // Test since reference pattern
4832        let since_ref = "HEAD~3";
4833        assert!(since_ref.starts_with("HEAD"));
4834        assert!(since_ref.contains('~'));
4835    }
4836
4837    #[test]
4838    fn test_command_flow_logic() {
4839        // These just test the command structure exists
4840        assert!(matches!(
4841            StackAction::Push {
4842                branch: None,
4843                message: None,
4844                commit: None,
4845                since: None,
4846                commits: None,
4847                squash: None,
4848                squash_since: None,
4849                auto_branch: false,
4850                allow_base_branch: false,
4851                dry_run: false
4852            },
4853            StackAction::Push { .. }
4854        ));
4855
4856        assert!(matches!(
4857            StackAction::Submit {
4858                entry: None,
4859                title: None,
4860                description: None,
4861                range: None,
4862                draft: false,
4863                open: true
4864            },
4865            StackAction::Submit { .. }
4866        ));
4867    }
4868
4869    #[tokio::test]
4870    async fn test_deactivate_command_structure() {
4871        // Test that deactivate command structure exists and can be constructed
4872        let deactivate_action = StackAction::Deactivate { force: false };
4873
4874        // Verify it matches the expected pattern
4875        assert!(matches!(
4876            deactivate_action,
4877            StackAction::Deactivate { force: false }
4878        ));
4879
4880        // Test with force flag
4881        let force_deactivate = StackAction::Deactivate { force: true };
4882        assert!(matches!(
4883            force_deactivate,
4884            StackAction::Deactivate { force: true }
4885        ));
4886    }
4887}