/* Foodlinkk PWA — light cache for shell */
const CACHE = 'foodlinkk-v1';
const ASSETS = [
  '/',
  '/static/css/palantir-theme.css',
  '/static/css/pulse-theme.css',
  '/static/css/mobile.css',
  '/static/css/vertical-tabs.css',
  '/static/js/cockpit.js',
  '/static/js/live-pulse.js',
  '/static/icons/app-icon.svg',
  '/static/manifest.json',
];

self.addEventListener('install', (e) => {
  e.waitUntil(
    caches.open(CACHE).then((c) => c.addAll(ASSETS).catch(() => {}))
  );
  self.skipWaiting();
});

self.addEventListener('activate', (e) => {
  e.waitUntil(
    caches.keys().then((keys) =>
      Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))
    )
  );
  self.clients.claim();
});

self.addEventListener('fetch', (e) => {
  if (e.request.method !== 'GET') return;
  const url = new URL(e.request.url);
  if (url.pathname.startsWith('/api/') || url.pathname.startsWith('/ws')) return;
  e.respondWith(
    fetch(e.request)
      .then((r) => {
        if (r.ok && url.pathname.startsWith('/static/')) {
          const clone = r.clone();
          caches.open(CACHE).then((c) => c.put(e.request, clone));
        }
        return r;
      })
      .catch(() => caches.match(e.request).then((m) => m || caches.match('/')))
  );
});