const fs = require('fs').promises;
const pathModule = require('path');
const { logDebug, logError } = require('../../infrastructure/logger');

async function handleStaticRoutes(req, res) {
  const urlPath = req.urlPath || new URL(req.url, `https://${req.headers.host}`).pathname;
  const method = req.method;

  const tabs = ['domains', 'host', 'local-dns', 'entries', 'peers', 'certs', 'interfaces', 'logs', 'settings', 'stats'];
  if (method === 'GET' && urlPath.startsWith('/') && tabs.includes(urlPath.substring(1))) {
    res.writeHead(302, { 'Location': `/#${urlPath.substring(1)}` });
    res.end();
    return true;
  }
  
  if (method === 'GET' && urlPath === '/') {
    logDebug('Admin', 'Serving admin panel HTML');
    try {
      const html = await fs.readFile(pathModule.join(__dirname, '..', 'index.html'), 'utf8');
      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end(html);
    } catch (err) {
      logError('Admin', `Failed to serve index.html: ${err.message}`);
      res.writeHead(500);
      res.end('Failed to load admin panel');
    }
    return true;
  }
  
  if (method === 'GET' && urlPath === '/tailwind.css') {
    try {
      const css = await fs.readFile(pathModule.join(__dirname, '..', '..', 'css', 'tailwind.css'), 'utf8');
      res.writeHead(200, { 'Content-Type': 'text/css' });
      res.end(css);
    } catch (err) {
      logError('Admin', `Failed to serve tailwind.css: ${err.message}`);
      res.writeHead(500);
      res.end('Failed to load Tailwind CSS');
    }
    return true;
  }
  
  if (method === 'GET' && urlPath === '/styles.css') {
    try {
      const css = await fs.readFile(pathModule.join(__dirname, '..', 'styles.css'), 'utf8');
      res.writeHead(200, { 'Content-Type': 'text/css' });
      res.end(css);
    } catch (err) {
      logError('Admin', `Failed to serve styles.css: ${err.message}`);
      res.writeHead(500);
      res.end('Failed to load styles');
    }
    return true;
  }
  
  if (method === 'GET' && urlPath === '/admin.js') {
    try {
      const js = await fs.readFile(pathModule.join(__dirname, '..', 'admin.js'), 'utf8');
      res.writeHead(200, { 'Content-Type': 'text/javascript' });
      res.end(js);
    } catch (err) {
      logError('Admin', `Failed to serve admin.js: ${err.message}`);
      res.writeHead(500);
      res.end('Failed to load script');
    }
    return true;
  }
  
  if (urlPath === '/favicon.ico') {
    res.writeHead(404);
    res.end('Not Found');
    return true;
  }
  
  return false;
}

module.exports = { handleStaticRoutes };