import { execSync, spawn } from 'node:child_process';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import dotenv from 'dotenv';

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
dotenv.config({ path: path.join(root, '.env') });

const port = Number(process.env.PORT || 4000);

function pidsOnPort() {
  try {
    return execSync(`lsof -tiTCP:${port} -sTCP:LISTEN`, { encoding: 'utf8' })
      .split(/\s+/)
      .map((value) => Number(value))
      .filter(Boolean);
  } catch {
    return [];
  }
}

for (const pid of pidsOnPort()) {
  try {
    process.kill(pid);
    console.log(`Stopped process ${pid} on port ${port}`);
  } catch {
    try {
      execSync(`kill ${pid}`);
      console.log(`Stopped process ${pid} on port ${port}`);
    } catch {
      console.warn(`Could not stop process ${pid} on port ${port}`);
    }
  }
}

await new Promise((resolve) => setTimeout(resolve, 800));

const child = spawn(process.execPath, ['--watch', 'src/index.js'], {
  cwd: root,
  stdio: 'inherit',
});

child.on('exit', (code, signal) => {
  if (signal) process.kill(process.pid, signal);
  process.exit(code ?? 0);
});