use ::session::OptionalUser;
use api::http::{Path, State};
use api::rest::AppResponseData;

use crate::errors::{ApiError, GitApiError};
use crate::handler::{RepoPath, resolve_reader};
use crate::service::GitService;
use crate::service::repos::RepoDto;

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}",
    tag = "repos",
    description = "读取仓库详情，并在已登录时附带当前用户的加星和关注状态。",
    params(RepoPath),
    responses(
        (status = 200, description = "get repo", body = AppResponseData<RepoDto>)
    )
)]
pub async fn get_repo(
    State(service): State<GitService>,
    OptionalUser(viewer): OptionalUser,
    Path(path): Path<RepoPath>,
) -> Result<AppResponseData<RepoDto>, ApiError> {
    let (ctx, viewer) = resolve_reader(
        &service,
        viewer,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let mut out = service.get_repo(&ctx).await.map_err(GitApiError::from)?;
    if let Some(uid) = viewer {
        out.me = Some(
            service
                .repo_viewer_state(ctx.model.id, uid)
                .await
                .map_err(GitApiError::from)?,
        );
    }
    Ok(AppResponseData::ok(out))
}