sw.js

// LibreTV Portal Service Worker
const CACHE_NAME = 'libretv-portal-v1';
const urlsToCache = [
    '/',
    '/index.html',
    '/styles/main.css',
    '/scripts/main.js',
    '/assets/logo.png',
    'https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap',
    'https://unpkg.com/aos@2.3.1/dist/aos.css',
    'https://unpkg.com/aos@2.3.1/dist/aos.js',
    'https://cdn.jsdelivr.net/particles.js/2.0.0/particles.min.js'
];

// Install event
self.addEventListener('install', function(event) {
    event.waitUntil(
        caches.open(CACHE_NAME)
            .then(function(cache) {
                console.log('Opened cache');
                return cache.addAll(urlsToCache);
            })
            .catch(function(error) {
                console.log('Cache install 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
                if (response) {
                    return response;
                }
                
                return fetch(event.request).then(function(response) {
                    // Check if valid response
                    if (!response || response.status !== 200 || response.type !== 'basic') {
                        return response;
                    }
                    
                    // Clone the response
                    const responseToCache = response.clone();
                    
                    caches.open(CACHE_NAME)
                        .then(function(cache) {
                            cache.put(event.request, responseToCache);
                        });
                    
                    return response;
                });
            })
            .catch(function() {
                // Return offline page if available
                if (event.request.destination === 'document') {
                    return caches.match('/');
                }
            })
    );
});

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