const CACHE='sun-catering-pwa-v79-20260912-login-refresh';
const VERSION='20260912-login-refresh';
const CORE=[
  './','./index.html',
  `./core/sun-safe.js?v=${VERSION}`,`./core/performance.js?v=${VERSION}`,`./core/login-signature-v1776.js?v=${VERSION}`,`./core/data-layer-v1773.js?v=${VERSION}`,`./core/server-automation-v1770.js?v=${VERSION}`,`./core/hotfix-v1763.js?v=${VERSION}`,`./core/ops-ux-v1762.js?v=${VERSION}`,`./core/ux-fixes-v1764.js?v=${VERSION}`,`./core/pdf-engine.js?v=${VERSION}`,`./core/classic-offer-pdf-v1767.js?v=${VERSION}`,`./core/developer-console-v1768.js?v=${VERSION}`,`./core/offer-workspace-v1769.js?v=${VERSION}`,`./legacy/bootstrap.js?v=${VERSION}`,`./app-runtime.js?v=${VERSION}`,
  './offer-gallery/001.jpg','./offer-gallery/002.jpg',
  './catalog/001.jpg','./catalog/002.jpg','./catalog/003.jpg',
  './sun-logo.png','./caterium-login-logo.png','./caterium-mark-light.svg','./pwa-icon-192.png','./pwa-icon-512.png','./manifest.webmanifest',
  './offer-templates/thumb-light.jpg','./offer-templates/thumb-editorial-grid.jpg','./offer-templates/thumb-midnight-glass.jpg','./offer-templates/thumb-emerald-gold.jpg'
];
const CRITICAL_FRESH=new Set([
  '/core/performance.js',
  '/core/login-signature-v1776.js',
  '/core/auth-security-v1774.js',
  '/legacy/bootstrap.js',
  '/app-runtime.js'
]);
self.addEventListener('install',event=>{
  event.waitUntil(caches.open(CACHE).then(cache=>cache.addAll(CORE)).then(()=>self.skipWaiting()));
});
self.addEventListener('activate',event=>{
  event.waitUntil(caches.keys().then(keys=>Promise.all(keys.filter(k=>k.startsWith('sun-catering-pwa-')&&k!==CACHE).map(k=>caches.delete(k)))).then(()=>self.clients.claim()));
});
function cachePut(req,res){
  if(res&&res.ok){const clone=res.clone();caches.open(CACHE).then(c=>c.put(req,clone)).catch(()=>{});}return res;
}
function networkFirst(req,fallback){
  return fetch(req,{cache:'no-store'}).then(res=>cachePut(req,res)).catch(()=>caches.match(req).then(hit=>hit||caches.match(fallback||req)));
}
function forceFresh(req){
  const url=new URL(req.url);
  url.searchParams.set('__caterium_release',VERSION);
  return fetch(url.toString(),{cache:'no-store',credentials:'same-origin'}).then(res=>cachePut(req,res)).catch(()=>caches.match(req));
}
self.addEventListener('fetch',event=>{
  const req=event.request;if(req.method!=='GET')return;
  const url=new URL(req.url);if(url.pathname.startsWith('/api/'))return;
  if(req.mode==='navigate'){
    event.respondWith(fetch(req,{cache:'no-store'}).then(res=>{const clone=res.clone();caches.open(CACHE).then(c=>c.put('./index.html',clone)).catch(()=>{});return res}).catch(()=>caches.match('./index.html')));return;
  }
  if(CRITICAL_FRESH.has(url.pathname)){
    event.respondWith(forceFresh(req));return;
  }
  const freshAsset=/\.(?:js|css|webmanifest)$/i.test(url.pathname);
  if(freshAsset){event.respondWith(networkFirst(req));return;}
  event.respondWith(caches.match(req).then(cached=>cached||fetch(req,{cache:'no-store'}).then(res=>cachePut(req,res))));
});