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

use crate::errors::{ApiError, GitApiError};
use crate::handler;
use crate::service::GitService;
use crate::service::analysis::LanguageStatDto;

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/analysis/languages",
    tag = "analysis",
    description = "读取最近一次已计算的仓库语言统计。",
    params(crate::handler::RepoPath),
    responses(
        (status = 200, description = "cached language analysis", body = AppResponseData<Vec<LanguageStatDto>>)
    )
)]
pub async fn languages_read(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<crate::handler::RepoPath>,
) -> Result<AppResponseData<Vec<LanguageStatDto>>, ApiError> {
    let _ = handler::resolve_reader(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let out = service
        .analysis_languages_read(path.space_name, path.repo_name)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}