server.js

const http = require('http');
const fs = require('fs');
const path = require('path');
const { URL } = require('url');

const PORT = 65530;
const DIST_DIR = path.join(__dirname, 'dist');

// MIME types
const mimeTypes = {
  '.html': 'text/html',
  '.js': 'application/javascript',
  '.css': 'text/css',
  '.json': 'application/json',
  '.png': 'image/png',
  '.jpg': 'image/jpeg',
  '.gif': 'image/gif',
  '.svg': 'image/svg+xml',
  '.ico': 'image/x-icon',
  '.woff': 'font/woff',
  '.woff2': 'font/woff2',
  '.ttf': 'font/ttf',
  '.eot': 'application/vnd.ms-fontobject'
};

const server = http.createServer((req, res) => {
  // Parse URL
  const parsedUrl = new URL(req.url, `http://localhost:${PORT}`);
  let pathname = parsedUrl.pathname;

  // Handle favicon.ico requests gracefully
  if (pathname === '/favicon.ico') {
    res.writeHead(204, { 'Content-Type': 'image/x-icon' });
    res.end();
    return;
  }

  // Default to index.html
  if (pathname === '/') {
    pathname = '/index.html';
  }

  // Security: prevent directory traversal
  const safePath = path.normalize(pathname).replace(/^(\.\.[\/\\])+/, '');
  const filePath = path.join(DIST_DIR, safePath);

  // Check if file exists
  fs.access(filePath, fs.constants.F_OK, (err) => {
    if (err) {
      res.writeHead(404, { 'Content-Type': 'text/plain' });
      res.end('404 Not Found');
      return;
    }

    // Read and serve file
    fs.readFile(filePath, (err, data) => {
      if (err) {
        res.writeHead(500, { 'Content-Type': 'text/plain' });
        res.end('500 Internal Server Error');
        return;
      }

      // Get MIME type
      const ext = path.extname(filePath).toLowerCase();
      const contentType = mimeTypes[ext] || 'application/octet-stream';

      // Set headers
      res.writeHead(200, {
        'Content-Type': contentType,
        'Access-Control-Allow-Origin': '*',
        'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
        'Access-Control-Allow-Headers': 'Content-Type',
        'Cache-Control': 'no-cache'
      });

      res.end(data);
    });
  });
});

server.listen(PORT, () => {
  console.log(`🚀 DeskMaster web server running at http://localhost:${PORT}`);
  console.log(`📁 Serving files from: ${DIST_DIR}`);
  console.log(`\n⚠️  Note: This is a static file server.`);
  console.log(`   Electron IPC and system features won't work in a browser.`);
  console.log(`   Press Ctrl+C to stop the server.\n`);
});

// Handle errors
server.on('error', (err) => {
  if (err.code === 'EADDRINUSE') {
    console.error(`❌ Port ${PORT} is already in use. Please use a different port.`);
  } else {
    console.error('❌ Server error:', err);
  }
  process.exit(1);
});