server.js

import http from 'http';
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const PORT = 5000;
const HOST = '0.0.0.0';

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',
  '.md': 'text/markdown'
};

const server = http.createServer((req, res) => {
  let filePath = '.' + req.url;
  
  if (filePath === './') {
    filePath = './docs/index.html';
  }
  
  if (filePath.endsWith('/')) {
    filePath += 'index.html';
  }

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

  fs.readFile(filePath, (error, content) => {
    if (error) {
      if (error.code === 'ENOENT') {
        res.writeHead(404, { 'Content-Type': 'text/html' });
        res.end('<h1>404 Not Found</h1>', 'utf-8');
      } else {
        res.writeHead(500);
        res.end('Server Error: ' + error.code + ' ..\n');
      }
    } else {
      res.writeHead(200, { 
        'Content-Type': contentType,
        'Cache-Control': 'no-cache, no-store, must-revalidate',
        'Pragma': 'no-cache',
        'Expires': '0'
      });
      res.end(content, 'utf-8');
    }
  });
});

server.listen(PORT, HOST, () => {
  console.log(`SecurePass Pro SDK Documentation Server running at http://${HOST}:${PORT}/`);
  console.log(`Documentation: http://${HOST}:${PORT}/`);
  console.log(`Browser Example: http://${HOST}:${PORT}/examples/browser.html`);
});