use ::session::Session;
use export::http::{Path, State};
use export::rest::AppResponseData;

use crate::errors::{ApiError, GitApiError};
use crate::handler::{RepoPath, resolve_reader};
use crate::service::GitService;
use crate::service::packs::PackStatsDto;

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/packs/stats",
    tag = "packs",
    description = "返回仓库松散对象数量与体积统计。",
    params(RepoPath),
    responses(
        (status = 200, description = "pack statistics", body = AppResponseData<PackStatsDto>)
    )
)]
pub async fn stats(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<RepoPath>,
) -> Result<AppResponseData<PackStatsDto>, ApiError> {
    resolve_reader(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let out = service
        .pack_stats(path.space_name, path.repo_name)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}