const {workerFactory, onMessage, onError, onExit, logger} = require('./util');
const os = require('os');

let THREAD_COUNT = Math.max(1, os.cpus().length - 1);;
// Get thread count from first positional argument or use default (all cores - 1)
if (process.argv.length > 2) {
  const requestedThreads = parseInt(process.argv[2], 10);
  if (!isNaN(requestedThreads) && requestedThreads > 0) {
    THREAD_COUNT = requestedThreads;
  }
}

const startDateTime = new Date().toISOString();
console.log(`main\t🕒 Started at ${startDateTime}`);
console.log(`main\t🧵 Using ${THREAD_COUNT} worker threads`);
logger().info(`Application started with ${THREAD_COUNT} worker threads`);

const data = {
  url: 'https://care.drmax.eu/it/pharmacy/698Edb',
  body: '__VIEWSTATE=%2FwEPDwULLTE5MzAwNTM5OTlkZJTEOkK8qrP%2BTqGLIsu2BOyqAooELsVS8rKLByxL86Wb&__VIEWSTATEGENERATOR=221C5153&cpt=Care&lang=it&type=698Edb&votes=Odeslat',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded',
    'Origin': 'https://care.drmax.eu/it/pharmacies'
  },
  run: true
};

const workers = [...Array(THREAD_COUNT).keys()].map((id) => workerFactory(
  { id, ...data },
  onMessage,
  onError,
  onExit
));
console.log(`main\t✅ Initialized ${workers.length} workers.`);
logger().info(`Initialized ${workers.length} workers`);

// Handle Ctrl+C
process.on('SIGINT', async () => {
  console.log('\nmain\t🛑 Terminating workers...');
  logger().info('Received SIGINT signal. Terminating workers...');

  // Gracefully terminate all workers
  await Promise.all(workers.map(worker => worker.terminate()));

  console.log('main\t✅ All workers terminated. Exiting.');
  logger().info('All workers terminated. Exiting.');
  process.exit(0);
});