use crate::error::AppError;
use crate::models::prs::PrStatus;
use crate::service::PrService;
use crate::session::Session;

impl PrService {
    pub async fn pr_status(
        &self,
        ctx: &Session,
        wk_name: &str,
        repo_name: &str,
        number: i64,
    ) -> Result<PrStatus, AppError> {
        let user_uid = ctx.user().ok_or(AppError::Unauthorized)?;
        let pr = self.resolve_pr(wk_name, repo_name, number).await?;
        self.ensure_pr_readable(user_uid, &pr).await?;
        sqlx::query_as::<_, PrStatus>(
            "SELECT pull_request_id, head_commit_sha, checks_state, mergeable_state, conflicts, \
             approvals_count, requested_reviews_count, changed_files_count, additions_count, \
             deletions_count, updated_at \
             FROM pr_status WHERE pull_request_id = $1",
        )
        .bind(pr.id)
        .fetch_optional(self.ctx.db.reader())
        .await
        .map_err(AppError::Database)?
        .ok_or(AppError::NotFound("PR status not found".into()))
    }
}