import makeWASocket, { DisconnectReason, useMultiFileAuthState } from '@whiskeysockets/baileys'

const { state, saveCreds } = await useMultiFileAuthState('auth_info_baileys')

const sock = makeWASocket({
  auth: state
})

sock.ev.on('connection.update', (update) => {
  const { qr } = update
  if(qr) {
    console.log('QR Code:', qr)
    // Use qrcode-terminal or display QR in your preferred way
  }
})

sock.ev.on('creds.update', saveCreds)

sock.ev.on('messages.upsert', async ({ messages }) => {
  const message = messages[0]
  if (!message.key.fromMe) {
    await sock.sendMessage(message.key.remoteJid!, { 
      text: 'Hello! Message received.' 
    })
  }
})