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

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

#[derive(Debug, Clone, serde::Deserialize, utoipa::IntoParams)]
pub struct SubmoduleResolveQuery {
    pub revision: String,
    pub path: String,
}

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/submodules/resolve",
    tag = "submodules",
    description = "解析指定修订下子模块路径记录的 Gitlink 提交 ID。",
    params(
        crate::handler::RepoPath,
        SubmoduleResolveQuery,
    ),
    responses(
        (status = 200, description = "resolve submodule oid", body = AppResponseData<String>)
    )
)]
pub async fn submodule_resolve(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<crate::handler::RepoPath>,
    Query(q): Query<SubmoduleResolveQuery>,
) -> Result<AppResponseData<String>, ApiError> {
    let (ctx, _) = handler::resolve_reader(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let out = service
        .submodule_resolve(&ctx, q.revision, q.path)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}