use axum::extract::{Path, State};
use export::rest::AppResponseData;
use jwt::Session;

use crate::errors::{ApiError, GitApiError};
use crate::handler::{RepoPath, require_writer};
use crate::service::GitService;

#[derive(Debug, Clone, serde::Serialize, utoipa::ToSchema)]
pub struct LfsCleanupResponse {
    pub removed: i64,
}

#[utoipa::path(
    post,
    path = "/repos/{space_name}/{repo_name}/lfs/cleanup",
    tag = "lfs",
    description = "清理 LFS 数据库中失引用记录与存储中的未引用对象。",
    params(RepoPath),
    responses(
        (status = 200, description = "cleanup unreferenced lfs objects", body = AppResponseData<LfsCleanupResponse>)
    )
)]
pub async fn cleanup_unreferenced(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<RepoPath>,
) -> Result<AppResponseData<LfsCleanupResponse>, ApiError> {
    require_writer(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let removed = service
        .lfs_cleanup_unreferenced(path.space_name, path.repo_name)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(LfsCleanupResponse { removed }))
}