const CACHE_NAME = 'timetracker-v1';
// Add the paths to the files you want to cache
const urlsToCache = [
  '/',
  '/index.html' 
  // If you had separate CSS or JS files, you would add them here too.
  // e.g., '/style.css', '/app.js'
];

// Install the service worker and cache the app shell
self.addEventListener('install', event => {
  event.waitUntil(
    caches.open(CACHE_NAME)
      .then(cache => {
        console.log('Opened cache');
        return cache.addAll(urlsToCache);
      })
  );
});

// Intercept network requests and serve from cache if available
self.addEventListener('fetch', event => {
  event.respondWith(
    caches.match(event.request)
      .then(response => {
        // Cache hit - return response
        if (response) {
          return response;
        }
        // Not in cache - fetch from network
        return fetch(event.request);
      })
  );
});