const CACHE_NAME = 'MeeChat_v1.3.2';
let urlsToCache = ["//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-063fcdb8.7be96541.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-09f52bd0.ca822529.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-13ce04b3.c32784d3.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-1a0d9872.38acc50c.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-3028e170.7b7b6769.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-352466e2.33bf20c7.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-4031c6b3.7da7025b.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-406bac5b.09a98095.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-580cf024.3e00a85d.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-5a6c5be1.5efbb31d.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-5edd596e.b281c6c1.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-60cf0727.8aef334d.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-6361f770.e85683b9.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-6c021ec0.2806d288.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-6f498702.a8887c6a.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-70ed3fb8.1e2497e0.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-81a02e6e.3f6e1708.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-9c4fb57e.64cec1de.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-af4b672c.7675f3ca.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-b17cf818.1737301f.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-common.54d70dac.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-e1f20b62.85f54eab.css","//static.meechat.me/cdn/new.mee.chat/dist/css/chunk-vendors.3c668f4e.css","//static.meechat.me/cdn/new.mee.chat/dist/css/h5.2b5c3223.css","//static.meechat.me/cdn/new.mee.chat/dist/css/mini.0dd5dfbc.css","//static.meechat.me/cdn/new.mee.chat/dist/css/pc.f971b1c8.css","//static.meechat.me/cdn/new.mee.chat/dist/favicon.ico","//static.meechat.me/cdn/new.mee.chat/dist/fonts/element-icons.2fad952a.woff","//static.meechat.me/cdn/new.mee.chat/dist/fonts/element-icons.6f0a7632.ttf","/h5.html","//static.meechat.me/cdn/new.mee.chat/dist/img/bg.261295d3.jpg","//static.meechat.me/cdn/new.mee.chat/dist/img/bg.71de928a.jpg","//static.meechat.me/cdn/new.mee.chat/dist/img/bg.eb029f3a.png","//static.meechat.me/cdn/new.mee.chat/dist/img/bg2.0b28333d.png","//static.meechat.me/cdn/new.mee.chat/dist/img/h5_bg.e9487380.png","//static.meechat.me/cdn/new.mee.chat/dist/img/h5_bg2.21b33271.png","//static.meechat.me/cdn/new.mee.chat/dist/img/h5_bg3.6f597ff4.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icon-meetone.f0168873.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icon-tele.0c036f6a.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icon-tele.88177f4a.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icons/meechat.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icons/meechat_icon.png","//static.meechat.me/cdn/new.mee.chat/dist/img/icons/safari-pinned-tab.svg","//static.meechat.me/cdn/new.mee.chat/dist/img/loading.b4490fa6.gif","//static.meechat.me/cdn/new.mee.chat/dist/img/login-logo.6f40e8ff.png","//static.meechat.me/cdn/new.mee.chat/dist/img/user-ethereum-icon.fdf8b24e.png","//static.meechat.me/cdn/new.mee.chat/dist/img/user-tron-icon.92300839.png","/index.html","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-063fcdb8.bac5db7e.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-09f52bd0.1022935b.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-13ce04b3.3d9aed15.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-1a0d9872.8dd920a5.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-3028e170.a21fdc99.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-352466e2.9344c940.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-4031c6b3.58ec51e9.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-406bac5b.118e6b56.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-437e2b39.45c774a4.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-580cf024.9ca44538.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-5a6c5be1.f6992ba5.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-5edd596e.854a7784.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-60cf0727.cf39f81a.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-6361f770.5b4fc403.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-6c021ec0.0b513db1.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-6f498702.f80fb386.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-70ed3fb8.d66fdf82.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-81a02e6e.a9581797.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-9c4fb57e.1eba2450.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-af4b672c.2142fe06.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-b17cf818.c15f8f84.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-common.f2787976.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-d42f0a14.8b90832e.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-e1f20b62.b5ec5e17.js","//static.meechat.me/cdn/new.mee.chat/dist/js/chunk-vendors.8a48f48a.js","//static.meechat.me/cdn/new.mee.chat/dist/js/h5.67c139d5.js","//static.meechat.me/cdn/new.mee.chat/dist/js/mini.23670eeb.js","//static.meechat.me/cdn/new.mee.chat/dist/js/pc.29cdb715.js","/manifest_h5.json","/manifest_pc.json","/mini.html","/pc.html","//static.meechat.me/cdn/new.mee.chat/dist/robots.txt","//static.meechat.me/cdn/new.mee.chat/dist/sw.js"];
// let networkFirstList = ['', 'h5.html', 'mini.html'];
let networkFirstList = [];

self.addEventListener('install', function (event) {
  self.skipWaiting();
  console.log('[ServiceWorker] install')
  event.waitUntil(
    caches.open(CACHE_NAME).then(function(caches){
      console.log('open cache:' + CACHE_NAME);
      let allList = urlsToCache.concat(networkFirstList)
      return caches.addAll(allList);
    })
  )
})

self.addEventListener('activate', function (event) {
  console.log('[ServiceWorker] activate')
  // 只保留白名单的版本
  const cacheWhitelist = [CACHE_NAME];
  event.waitUntil(
    caches.keys().then(function(cacheNames) {
      return Promise.all(
        cacheNames.map(function(cacheName) {
          console.log('遍历缓存：' + cacheName)
          if (cacheWhitelist.indexOf(cacheName) === -1) {
            console.log('删除缓存：' + cacheName)
            return caches.delete(cacheName)
          }
        })
      )
    })
  )
})

self.addEventListener('fetch', function (event) {
  // console.log('[ServiceWorker] Fetch', event.request.url)
  let url = event.request.url.replace(location.origin, '')
  url = url.replace('https:', '')
  let pos = url.indexOf('#')
  if (pos > 0) {
    url = url.substr(0, pos)
  }

  if (urlsToCache.indexOf(url) !== -1) {
    return _cacheFirst(event)
  } else {
    return _networkFirst(event)
  }
})

function _cacheFirst(event) {
  event.respondWith(
    caches.match(event.request).then(function (response) {
      // Cache hit - return response
      if (response) {
        return response;
      }

      return fetch(event.request);
    })
  );
}

function _networkFirst(event) {
  event.respondWith(
      fetch(event.request).then((response) => {
        // console.log('[ServiceWorker] network first, request: ', event.request.url);
        return response
      }).catch (() => {
        caches.match(event.request).then(function (response) {
          // Cache hit - return response
          if (response) {
            // console.log('[ServiceWorker] cache first, From cache:', event.request.url)
            return response;
          }

          // console.log('[ServiceWorker] cache first, From network:', event.request.url)
          return fetch(event.request);
        })
      })
  );
}

self.addEventListener('error', function (event) {
  console.log('[ServiceWorker] error', event)
})

self.addEventListener('push', function (event) {
  console.log('[Service Worker] 收到通知', event);
  function decodeUnicode (str) {
    str = str.replace(/\\/g, '%')
    str = unescape(str)
    str = str.replace(/%/g, '\\')
    str = str.replace(/\\/g, '')
    return str
  }

  let data = JSON.parse(event.data.text())
  const title = decodeUnicode(data.title)
  const options = {
    body: decodeUnicode(data.content),
    icon: 'img/icons/meechat.png',
    tag: data.tag,
    data: data.data,
  }
  event.waitUntil(self.registration.showNotification(title, options))
})

// 点击跳转
self.addEventListener('notificationclick', function (event) {
  console.log('[Service Worker] 点击通知', event);
  let data = event.notification.data
  let url = data && data.url || 'https://mee.chat/'

  event.notification.close()
  event.waitUntil(
      clients.openWindow(url)
  )
})