import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const PID_FILE = path.join(__dirname, '.server-pids.json');

export default async function globalTeardown() {
  try {
    if (fs.existsSync(PID_FILE)) {
      const { serverPid, frontendPid } = JSON.parse(fs.readFileSync(PID_FILE, 'utf-8'));
      console.log(`[teardown] Killing server(pid=${serverPid}) frontend(pid=${frontendPid})`);

      try { process.kill(serverPid, 'SIGTERM'); } catch {}
      try { process.kill(frontendPid, 'SIGTERM'); } catch {}

      fs.unlinkSync(PID_FILE);
      console.log('[teardown] Done');
    }
  } catch (e) {
    console.error('[teardown] Error:', (e as Error).message);
  }
}