const CACHE_NAME = 'whisky-vault-v1';
const ASSETS_TO_CACHE = [
    '/',
    '/manifest.json',
    '/icon-192.png',
    '/icon-512.png',
    '/favicon.ico',
];

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

self.addEventListener('activate', (event) => {
    event.waitUntil(
        caches.keys().then((cacheNames) => {
            return Promise.all(
                cacheNames.map((cacheName) => {
                    if (cacheName !== CACHE_NAME) {
                        return caches.delete(cacheName);
                    }
                })
            );
        })
    );
});

self.addEventListener('fetch', (event) => {
    // Network first, fallback to cache
    event.respondWith(
        fetch(event.request)
            .then((response) => {
                return response;
            })
            .catch(() => {
                return caches.match(event.request);
            })
    );
});