import "reflect-metadata";
import express from "express";
import config from "./config";
import Logger from "./loaders/logger";
import { BotMode } from "./interfaces/IConfig";

async function startServer() {
  const app = express();

  /**
   * A little hack here
   * Import/Export can only be used in 'top-level code'
   * Well, at least in node 10 without babel and at the time of writing
   * So we are using good old require.
   **/
  await require("./loaders").default({ expressApp: app });

  app.listen(config.port, err => {
    if (err) {
      Logger.error(err);
      process.exit(1);
      return;
    }
    Logger.info(`
      ################################################
      🛡️  Server listening on port: ${config.port} 🛡️ 
      ################################################
    `);
  });
}

async function startPoller() {
  throw new Error("longpolling is not implemented yet");
}

if (config.botMode == BotMode.MODE_WEBHOOK) {
  startServer();
} else {
  startPoller();
}