import { NextRequest, NextResponse } from "next/server";
import { execute } from "@/lib/db";
import { getSession } from "@/lib/session";

// WBS 템플릿 삭제 (project.deleteWBSTemplateTask 대응)
export async function POST(request: NextRequest) {
  const user = await getSession();
  if (!user) return NextResponse.json({ success: false }, { status: 401 });

  const body = await request.json();
  const { objIds } = body;

  if (!objIds || !Array.isArray(objIds) || objIds.length === 0) {
    return NextResponse.json({ success: false, message: "삭제할 항목을 선택하세요." });
  }

  try {
    const placeholders = objIds.map((_: string, i: number) => `$${i + 1}`).join(",");
    // 하위 Task 먼저 삭제
    await execute(
      `DELETE FROM pms_wbs_task_standard WHERE parent_objid IN (${placeholders})`,
      objIds
    );
    // 템플릿 삭제
    await execute(
      `DELETE FROM pms_wbs_template WHERE objid IN (${placeholders})`,
      objIds
    );
    return NextResponse.json({ success: true, message: `${objIds.length}건이 삭제되었습니다.` });
  } catch (error) {
    console.error("WBS template delete:", error);
    return NextResponse.json({ success: false, message: "삭제 중 오류가 발생했습니다." }, { status: 500 });
  }
}
