//! Git issue tracker routes: read-only list and detail views.
//! Also includes the commit-message issue reference parser and process-push endpoint.

mod issues;
mod push_refs;
mod settings;

use axum::routing::get;

use crate::{
    csrf::{post_csrf, post_csrf_skip, CsrfRouter},
    routes::git::{resolve_repo, repos_root},
    AppState,
};

/// Register all git issue routes.
pub fn git_issue_routes() -> CsrfRouter<AppState> {
    CsrfRouter::new()
        // Issue list + detail (read-only)
        .route_get("/git/{owner}/{repo}/issues", get(issues::issue_list))
        .route_get("/git/{owner}/{repo}/issues/{number}", get(issues::issue_detail))
        // Repo settings
        .route_get("/git/{owner}/{repo}/settings", get(settings::repo_settings_form))
        .route("/git/{owner}/{repo}/settings", post_csrf(settings::repo_settings_save))
        .route("/git/{owner}/{repo}/settings/delete", post_csrf(settings::repo_settings_delete))
        // Internal: commit-message issue references
        .route("/api/internal/issues/process-push", post_csrf_skip("internal git push hook, HMAC bearer", push_refs::process_push))
}

/// Get the default branch name for a repo (for nav bar links).
fn default_ref(state: &AppState, owner: &str, repo_name: &str) -> String {
    let root = match repos_root(state) {
        Ok(r) => r,
        Err(_) => return "main".to_string(),
    };
    match crate::git::open_repo(&root, owner, repo_name) {
        Ok(repo) => {
            let info = crate::git::repo_info(&repo, repo_name);
            info.default_branch
        }
        Err(_) => "main".to_string(),
    }
}