homeboy 0.31.1

use clap::{Args, Subcommand};
use serde::Serialize;

use homeboy::git::{commit, tag, CommitOptions};
use homeboy::version::{read_version, set_version, VersionTargetInfo};

use super::CmdResult;

#[derive(Serialize)]
pub struct GitCommitInfo {
    pub success: bool,
    pub message: String,
    pub files_staged: Vec<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub stdout: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub stderr: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub tag_created: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub tag_name: Option<String>,
}

#[derive(Serialize)]
#[serde(untagged)]
pub enum VersionOutput {
    Show(VersionShowOutput),
    Set(VersionSetOutput),
}

#[derive(Args)]
pub struct VersionArgs {
    #[command(subcommand)]
    command: VersionCommand,
}

#[derive(Subcommand)]
enum VersionCommand {
    /// Show current version (default: homeboy binary)
    Show {
        /// Component ID (optional - shows homeboy binary version when omitted)
        component_id: Option<String>,
    },
    /// Set version directly (without incrementing or changelog finalization)
    #[command(visible_aliases = ["edit", "merge"])]
    Set {
        /// Component ID
        component_id: Option<String>,

        /// New version (e.g., 1.2.3)
        new_version: String,
    },
}

#[derive(Serialize)]

pub struct VersionShowOutput {
    command: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    component_id: Option<String>,
    pub version: String,
    targets: Vec<VersionTargetInfo>,
}

#[derive(Serialize)]

pub struct VersionSetOutput {
    command: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    component_id: Option<String>,
    old_version: String,
    new_version: String,
    targets: Vec<VersionTargetInfo>,
    changelog_path: String,
    changelog_finalized: bool,
    changelog_changed: bool,
    #[serde(skip_serializing_if = "Option::is_none")]
    git_commit: Option<GitCommitInfo>,
}

pub fn run(args: VersionArgs, _global: &crate::commands::GlobalArgs) -> CmdResult<VersionOutput> {
    match args.command {
        VersionCommand::Show { component_id } => {
            let info = read_version(component_id.as_deref())?;

            Ok((
                VersionOutput::Show(VersionShowOutput {
                    command: "version.show".to_string(),
                    component_id,
                    version: info.version,
                    targets: info.targets,
                }),
                0,
            ))
        }
        VersionCommand::Set {
            component_id,
            new_version,
        } => {
            // Core validates componentId
            let result = set_version(component_id.as_deref(), &new_version)?;

            // Auto-commit version and changelog changes
            let git_commit = create_version_commit(
                component_id.as_deref(),
                &result.new_version,
                &result.targets,
                &result.changelog_path,
                true,
            );

            Ok((
                VersionOutput::Set(VersionSetOutput {
                    command: "version.set".to_string(),
                    component_id,
                    old_version: result.old_version,
                    new_version: result.new_version,
                    targets: result.targets,
                    changelog_path: result.changelog_path,
                    changelog_finalized: result.changelog_finalized,
                    changelog_changed: result.changelog_changed,
                    git_commit,
                }),
                0,
            ))
        }
    }
}

/// Creates a git commit and optionally a tag for version changes.
fn create_version_commit(
    component_id: Option<&str>,
    new_version: &str,
    targets: &[VersionTargetInfo],
    changelog_path: &str,
    create_tag: bool,
) -> Option<GitCommitInfo> {
    let mut files_to_stage: Vec<String> = targets.iter().map(|t| t.full_path.clone()).collect();

    if !changelog_path.is_empty() {
        files_to_stage.push(changelog_path.to_string());
    }

    let commit_message = format!("release: v{}", new_version);

    let options = CommitOptions {
        staged_only: false,
        files: Some(files_to_stage.clone()),
        exclude: None,
        amend: false,
    };

    match commit(component_id, Some(&commit_message), options) {
        Ok(output) => {
            let stdout = if output.stdout.is_empty() {
                None
            } else {
                Some(output.stdout)
            };
            let stderr = if output.stderr.is_empty() {
                None
            } else {
                Some(output.stderr)
            };

            // Create tag after successful commit
            let (tag_created, tag_name) = if create_tag && output.success {
                let tag_name = format!("v{}", new_version);
                let tag_message = format!("Release {}", tag_name);
                match tag(component_id, Some(&tag_name), Some(&tag_message)) {
                    Ok(tag_output) => {
                        if tag_output.success {
                            eprintln!(
                                "[version] Tagged {}. For automated packaging/publishing, configure a release pipeline: homeboy docs release",
                                tag_name
                            );
                        }
                        (Some(tag_output.success), Some(tag_name))
                    }
                    Err(_) => (Some(false), Some(tag_name)),
                }
            } else {
                (None, None)
            };

            Some(GitCommitInfo {
                success: output.success,
                message: commit_message,
                files_staged: files_to_stage,
                stdout,
                stderr,
                tag_created,
                tag_name,
            })
        }
        Err(e) => Some(GitCommitInfo {
            success: false,
            message: commit_message.clone(),
            files_staged: files_to_stage.clone(),
            stdout: None,
            stderr: Some(format!(
                "Commit failed: {}. Version files modified but not committed: {}. Recovery: git add -A && git commit -m \"{}\" OR git checkout -- {}",
                e,
                files_to_stage.join(", "),
                commit_message,
                files_to_stage.join(" ")
            )),
            tag_created: None,
            tag_name: None,
        }),
    }
}

pub fn show_version_output(component_id: &str) -> homeboy::Result<(VersionShowOutput, i32)> {
    let info = read_version(Some(component_id))?;

    Ok((
        VersionShowOutput {
            command: "version.show".to_string(),
            component_id: Some(component_id.to_string()),
            version: info.version,
            targets: info.targets,
        },
        0,
    ))
}