const CACHE_NAME = 'persian-optimizer-v2';
const ASSETS = [
  '/',
  '/index.html',
  '/style.css',
  '/script.js',
  '/components/navbar.js',
  '/components/footer.js',
  'https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js',
  'https://unpkg.com/feather-icons',
  'https://cdn.tailwindcss.com',
  'https://unpkg.com/detect-browser',
  'https://cdnjs.cloudflare.com/ajax/libs/animejs/3.2.1/anime.min.js',
  'https://unpkg.com/aos@2.3.1/dist/aos.js'
];

self.addEventListener('install', (event) => {
  event.waitUntil(
    caches.open(CACHE_NAME)
      .then((cache) => cache.addAll(ASSETS))
  );
});

self.addEventListener('fetch', (event) => {
  event.respondWith(
    caches.match(event.request)
      .then((response) => response || fetch(event.request))
  );
});