xgit 0.2.6

A enhanced AI-powered Git tool
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use crate::{
    git::GitRepo,
    github::GitHubPrMatcher,
    tui::branch_display::{self, BranchInfo, MergeStatus},
};

/// Show statistics for all local branches
pub async fn show_branch_stats() -> Result<(), Box<dyn std::error::Error>> {
    let repo = GitRepo::open(".")?;
    let branch_infos = gather_branch_data(&repo).await?;
    branch_display::display_branch_stats(&branch_infos);
    Ok(())
}

/// Gather all branch data from the git repository with GitHub PR information
async fn gather_branch_data(repo: &GitRepo) -> Result<Vec<BranchInfo>, Box<dyn std::error::Error>> {
    let branches = repo.get_all_branches()?;
    let current_branch = repo.get_current_branch()?;

    // Try to initialize GitHub PR matcher (optional - will gracefully fail if not a GitHub repo)
    let github_matcher = GitHubPrMatcher::new(repo).ok();

    let mut branch_infos = Vec::new();

    for branch in branches {
        // Look up GitHub PR information if matcher is available
        let pull_request = if let Some(ref matcher) = github_matcher {
            matcher.find_pr_for_branch(repo, &branch).await
        } else {
            None
        };

        let branch_info = BranchInfo {
            name: branch.clone(),
            is_current: branch == current_branch,
            commit_info: repo.get_branch_commit_info(&branch).ok(),
            merge_status: get_merge_status(repo, &branch),
            remote_tracking: repo.get_remote_tracking_info(&branch).ok(),
            pull_request,
        };
        branch_infos.push(branch_info);
    }

    Ok(branch_infos)
}

/// Determine the merge status of a branch
fn get_merge_status(repo: &GitRepo, branch: &str) -> MergeStatus {
    match repo.is_branch_merged_to_main(branch) {
        Ok(true) => MergeStatus::Merged,
        Ok(false) => MergeStatus::NotMerged,
        Err(_) => MergeStatus::Unknown,
    }
}