const CACHE_NAME = 'foodigo-cache-v1';
const urlsToCache = [
    '/',
    '/css/*',
    '/js/*',
    '/images/*',
    '/fonts/*'
];

// Install event
self.addEventListener('install', function(event) {
    console.log('Service Worker: Installing...');
    event.waitUntil(
        caches.open(CACHE_NAME)
            .then(function(cache) {
                console.log('Service Worker: Cache opened');
                return cache.addAll(urlsToCache);
            })
            .catch(function(error) {
                console.log('Service Worker: Cache failed', error);
            })
    );
});

// Fetch event
self.addEventListener('fetch', function(event) {
    event.respondWith(
        caches.match(event.request)
            .then(function(response) {
                // Return cached version or fetch from network
                return response || fetch(event.request);
            })
            .catch(function(error) {
                console.log('Service Worker: Fetch failed', error);
                return fetch(event.request);
            })
    );
});

// Activate event
self.addEventListener('activate', function(event) {
    console.log('Service Worker: Activating...');
    event.waitUntil(
        caches.keys().then(function(cacheNames) {
            return Promise.all(
                cacheNames.map(function(cacheName) {
                    if (cacheName !== CACHE_NAME) {
                        console.log('Service Worker: Deleting old cache', cacheName);
                        return caches.delete(cacheName);
                    }
                })
            );
        })
    );
});

// Message event for debugging
self.addEventListener('message', function(event) {
    console.log('Service Worker: Message received', event.data);
});