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