import { Server } from '@remote-kakao/core';

const prefix = '>';
const server = new Server();

server.on('message', async (msg) => {
  if (!msg.content.startsWith(prefix)) return;

  const args = msg.content.split(' ');
  const cmd = args.shift()?.slice(prefix.length);

  if (cmd === 'ping') {
    /*
      this command's result is the ping between Node.js and MessengerBot,
      not between MessengerBot and the KakaoTalk server.
    */
    const timestamp = Date.now();
    await msg.reply('Pong!');
    msg.reply(`${Date.now() - timestamp}ms`);
  }
});

server.start(3000);