const Holesail = require('holesail');
const { checkPortAvailability, freePort } = require('../maintenance/cleanup');
const originalConsole = {
  log: console.log,
  error: console.error,
  warn: console.warn,
  debug: console.debug
};

process.on('message', async (msg) => {
  if (msg.type === 'start') {
    try {
      // Override console methods to send logs via IPC
      console.log = (...args) => process.send({ type: 'log', level: 'info', message: args.join(' ') });
      console.error = (...args) => process.send({ type: 'log', level: 'error', message: args.join(' ') });
      console.warn = (...args) => process.send({ type: 'log', level: 'warn', message: args.join(' ') });
      console.debug = (...args) => process.send({ type: 'log', level: 'debug', message: args.join(' ') });

      const opts = msg.opts;

      // Only check and free port for clients, not servers
      if (!opts.server) {
        let portFree = true;
        try {
          await checkPortAvailability(opts.host, opts.port);
          console.debug(`Port ${opts.port} on ${opts.host} is available`);
        } catch (err) {
          console.warn(`Initial port check failed for ${opts.host}:${opts.port}: ${err.message}`);
          console.info(`Attempting to free the port`);
          portFree = await freePort(opts.host, opts.port);
          if (!portFree) {
            throw new Error(`Unable to free port ${opts.port} on ${opts.host}`);
          }
          console.info(`Port ${opts.port} on ${opts.host} freed successfully`);
        }
      } else {
        console.debug(`Skipping port check for server on ${opts.host}:${opts.port}`);
      }

      const holesail = new Holesail(opts);
      await holesail.ready();
      process.send({ type: 'ready', info: holesail.info });
      // Keep running
    } catch (err) {
      process.send({ type: 'error', message: err.message });
      process.exit(1);
    }
  }
});

// Handle uncaught errors
process.on('uncaughtException', (err) => {
  process.send({ type: 'log', level: 'error', message: `Uncaught exception: ${err.message}` });
});

process.on('unhandledRejection', (reason) => {
  process.send({ type: 'log', level: 'error', message: `Unhandled rejection: ${reason}` });
});