// Custom Next.js server with extended timeout for video generation
// Node.js default server.requestTimeout is 5 minutes (300,000ms)
// We extend it to 10 minutes for long-running fal.ai video generation

const { createServer } = require('http');
const next = require('next');

const dev = process.env.NODE_ENV !== 'production';
const hostname = process.env.HOSTNAME || '0.0.0.0';

function getConfiguredPort() {
  const portArgIndex = process.argv.findIndex((arg) => arg === '--port' || arg === '-p');
  const positionalPort = process.argv.slice(2).find((arg) => /^\d+$/.test(arg));
  const configuredPort = portArgIndex >= 0 ? process.argv[portArgIndex + 1] : process.env.PORT || positionalPort;
  const port = Number(configuredPort ?? 3000);

  return Number.isInteger(port) && port >= 0 ? port : 3000;
}

const port = getConfiguredPort();
const publicUrl = process.env.NEXT_PUBLIC_APP_URL || `http://localhost:${port}`;

const app = next({ dev, hostname, port });
const handle = app.getRequestHandler();

app.prepare().then(() => {
  const server = createServer(async (req, res) => {
    await handle(req, res);
  });

  // Increase timeout to 10 minutes for long-running video generation
  server.requestTimeout = 600000; // 10 minutes
  server.headersTimeout = 610000; // Slightly longer than requestTimeout

  server.listen(port, () => {
    console.log(`> Ready on ${publicUrl}`);
    console.log(`> Listening on http://${hostname}:${port}`);
    console.log(`> Server timeout set to ${server.requestTimeout / 1000 / 60} minutes`);
  });
});