import { adminForbidden, isAdminRequest } from "../../../lib/admin-auth";
import { buildTaskReportCsv } from "../../../lib/task-report-csv";
import {
  ensureSchema,
  getRawDb,
  getTaskReportData,
} from "../../../lib/mvp-db";

export async function GET(request: Request) {
  try {
    if (!(await isAdminRequest(request))) return adminForbidden();
    await ensureSchema();
    const rows = await getTaskReportData(getRawDb());
    const fileName = `任务复盘报表.csv`;
    return new Response(buildTaskReportCsv(rows), {
      headers: {
        "Cache-Control": "private, no-store",
        "Content-Type": "text/csv; charset=utf-8",
        "Content-Disposition": `attachment; filename="koc-task-report.csv"; filename*=UTF-8''${encodeURIComponent(fileName)}`,
        "X-Content-Type-Options": "nosniff",
      },
    });
  } catch (error) {
    return Response.json(
      { error: error instanceof Error ? error.message : "导出失败" },
      { status: 500 },
    );
  }
}