use crate::error::AppError;
use crate::service::RepoService;
use crate::session::Session;

impl RepoService {
    pub async fn git_rename_branch(
        &self,
        ctx: &Session,
        wk_name: &str,
        repo_name: &str,
        old_name: &str,
        new_name: &str,
    ) -> Result<crate::pb::repo::Branch, AppError> {
        let user_uid = ctx.user().ok_or(AppError::Unauthorized)?;
        let repo = self.resolve_repo(wk_name, repo_name).await?;
        self.ensure_repo_role_at_least(user_uid, &repo, crate::models::common::Role::Admin)
            .await?;
        let ws = self.resolve_workspace(wk_name).await?;
        let header = self.repo_header(&repo, &ws);
        let mut svc = self.git_client(&repo)?.branch;
        let resp = svc
            .rename_branch(tonic::Request::new(crate::pb::repo::RenameBranchRequest {
                repository: Some(header),
                old_name: old_name.to_string(),
                new_name: new_name.to_string(),
            }))
            .await
            .map_err(|e| AppError::InternalServerError(e.to_string()))?;
        Ok(resp.into_inner())
    }
}