server.js

'use strict';
const express = require('express');
const path = require('path');
const serverless = require('serverless-http');
const app = express();
const bodyParser = require('body-parser');
const ytdl = require('ytdl-core');

const router = express.Router();
router.get('/', (req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/html' });
  res.write('<h1>Hello from Express.js!</h1>');
  res.end();
});
router.get('/another', (req, res) => res.json({ route: req.originalUrl }));
router.post('/', (req, res) => res.json({ postBody: req.body }));

app.use(bodyParser.json());
app.use('/.netlify/functions/server', router);  // path must route to lambda

//fiturnya
app.get('/download', async (req, res) => {
  try {
    const videoURL = req.query.url;
    const info = await ytdl.getInfo(videoURL);
    const format = ytdl.chooseFormat(info.formats, { quality: 'highestaudio' });

    res.header('Content-Disposition', `attachment; filename="${info.title}.mp3"`);
    ytdl(videoURL, { format: format })
      .pipe(res);
  } catch (error) {
    console.error(error);
    res.status(500).send('Error during download');
  }
});



module.exports = app;
module.exports.handler = serverless(app);