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

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

#[utoipa::path(
    post,
    path = "/repos/{space_name}/{repo_name}/branches",
    tag = "branches",
    description = "从指定起点创建新分支引用并更新分支元数据。",
    params(crate::handler::RepoPath),
    request_body = CreateBranchCmd,
    responses(
        (status = 200, description = "create branch", body = AppResponseData<BranchDto>)
    )
)]
pub async fn create_branch(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<crate::handler::RepoPath>,
    Json(cmd): Json<CreateBranchCmd>,
) -> Result<AppResponseData<BranchDto>, ApiError> {
    let _ = handler::require_writer(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let out = service
        .create_branch(path.space_name, path.repo_name, cmd)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}