import { spawn } from 'node:child_process';
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const PORT_FILE = '.terminal-server-port';

async function waitForPortFile(timeout = 10000) {
  const start = Date.now();
  while (Date.now() - start < timeout) {
    if (fs.existsSync(PORT_FILE)) {
      return true;
    }
    await new Promise(r => setTimeout(r, 100));
  }
  return false;
}

async function main() {
  // Clean up any existing port file
  if (fs.existsSync(PORT_FILE)) {
    fs.unlinkSync(PORT_FILE);
  }

  // Start server
  console.log('Starting terminal server...');
  const server = spawn('node', ['server/index.js'], {
    stdio: 'inherit',
    shell: true,
  });

  // Wait for server to be ready
  await waitForPortFile();
  const port = fs.readFileSync(PORT_FILE, 'utf-8').trim();
  console.log(`Terminal server ready on port ${port}`);

  // Set env for vite
  process.env.TERMINAL_API_URL = `http://localhost:${port}`;

  // Start vite
  console.log('Starting Vite dev server...');
  const vite = spawn('npx', ['vite'], {
    stdio: 'inherit',
    shell: true,
    env: { ...process.env, TERMINAL_API_URL: `http://localhost:${port}` },
  });

  // Cleanup on exit
  process.on('exit', () => {
    server.kill();
    vite.kill();
    if (fs.existsSync(PORT_FILE)) {
      fs.unlinkSync(PORT_FILE);
    }
  });
}

main().catch(console.error);