use actix_web::{HttpResponse, web};
use serde::Deserialize;
use utoipa::{IntoParams, ToSchema};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::service::AppService;
use crate::session::Session;

#[derive(Debug, Deserialize, IntoParams)]
pub struct PathParams {
    pub workspace_name: String,
    pub repo_name: String,
}

#[derive(Debug, Deserialize, IntoParams, ToSchema)]
pub struct CreateBranchBody {
    pub branch_name: String,
    pub start_point: String,
}

/// Create a branch
#[utoipa::path(
    post,
    path = "/api/v1/workspaces/{workspace_name}/repos/{repo_name}/git/branches",
    tag = "Git",
    operation_id = "gitCreateBranch",
    params(PathParams),
    request_body(
        content = CreateBranchBody,
        description = "Branch creation parameters",
        content_type = "application/json"
    ),
    responses(
        (status = 201, description = "Branch created successfully", body = ApiResponse<crate::pb::repo::Branch>),
        (status = 401, description = "Unauthorized", body = ApiErrorResponse),
        (status = 500, description = "Internal server error", body = ApiErrorResponse),
    ),
    security(("session_cookie" = []))
)]
pub async fn git_create_branch(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<PathParams>,
    body: web::Json<CreateBranchBody>,
) -> Result<HttpResponse, AppError> {
    let result = service
        .repo
        .git_create_branch(
            &session,
            &path.workspace_name,
            &path.repo_name,
            &body.branch_name,
            &body.start_point,
        )
        .await?;

    Ok(HttpResponse::Created().json(ApiResponse::new(result)))
}