const express = require('express');
const cors = require('cors');
const fs = require('fs/promises');

const PORT = process.env.PORT || 8080;

const app = express();

app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.get('/form', async (req, res) => {
  const html = await fs.readFile('public/index.html');

  res.setHeader('Content-Type', 'text/html');
  res.send(html);
  res.end();
});

app.use(function (req, res) {
  const info = {
    method: req.method,
    url: req.url,
    headers: req.headers,
    body: req.body,
  };
  console.log(info);

  res.setHeader('Content-Type', 'application/plain');
  res.write(JSON.stringify(info, null, 2));
  res.end();
});

app.listen(PORT, function () {
  console.log(`CORS-enabled web server listening on port ${PORT}`);
});