const http = require('http');
const fs = require('fs');
const path = require('path');

const PORT = 8080;

const MIME_TYPES = {
  '.html': 'text/html',
  '.css': 'text/css',
  '.js': 'application/javascript',
  '.json': 'application/json',
  '.png': 'image/png',
  '.jpg': 'image/jpeg',
  '.gif': 'image/gif',
  '.svg': 'image/svg+xml',
  '.ico': 'image/x-icon'
};

const server = http.createServer((req, res) => {
  let filePath = req.url === '/' ? '/index.html' : req.url;
  filePath = path.join(__dirname, 'public', filePath);

  const ext = path.extname(filePath);
  const contentType = MIME_TYPES[ext] || 'application/octet-stream';

  fs.readFile(filePath, (err, content) => {
    if (err) {
      if (err.code === 'ENOENT') {
        res.writeHead(404);
        res.end('File not found');
      } else {
        res.writeHead(500);
        res.end('Server error');
      }
    } else {
      res.writeHead(200, { 'Content-Type': contentType });
      res.end(content);
    }
  });
});

server.listen(PORT, () => {
  console.log(`\n=== HEXO Game Server ===`);
  console.log(`Server running at http://localhost:${PORT}/`);
  console.log(`Press Ctrl+C to stop\n`);
});