import { NButton, NModal, NSpace, useDialog } from 'naive-ui';
import { defineComponent, onBeforeUnmount, ref } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import downBg from './images/downBg.png';
import rocketIcon from './images/rocketIcon.png';
import styles from './index.module.less';
import axios from 'axios';
let refreshing = false;
let isError = false;
const reloadPage = async () => {
  if ('serviceWorker' in navigator) {
    // let refreshing = false
    const flag = (await caches.keys()).length > 0;
    // console.log(caches.keys(), `0904路由更新有缓存${flag}`);
    caches.keys().then(function (cacheNames) {
      cacheNames.forEach(function (cacheName) {
        caches.delete(cacheName);
      });
    });
    // 尝试监听install
  }
  console.log('route index');
  window.location.reload();
};

const isChromeError = (error: any) => {
  console.log(error, 'error===>isChromeError', refreshing);
  isError = true;
  const tagName = error.target.tagName;
  const notIncoudle = ['IMG'];
  setTimeout(() => {
    if (!refreshing && !error.message && !notIncoudle.includes(tagName)) {
      refreshing = true;
      sessionStorage.setItem('isRouter', 'true');
      // reloadPage();
    }
  }, 500);
};
window.addEventListener('error', isChromeError, true);
export default defineComponent({
  name: 'router-error',
  setup() {
    const router = useRouter();
    const dialog = useDialog();

    const showModalMask = ref(false);
    const route = useRoute();

    // router.onError((error, to, form) => {
    //   const str = error.message + '';
    //   const isChunkLoadFailed = str.indexOf('imported');
    //   console.log(error, to)
    //   // const targetPath = router.history.pending.fullPath
    //   if (isChunkLoadFailed != -1 && !refreshing) {
    //     refreshing = true;
    //     console.log('onError刷新');
    //     sessionStorage.setItem('isRouter','true')
    //       // showModalMask.value = true;
    //       // router.push(to.path)
    //   }
    // });
    router.beforeEach(async (to, from, next) => {
      const flag = await versionCheck();
      console.log('路由之前弹窗', `refreshing${refreshing},flag:${flag}`);
      if (flag && !refreshing) {
        refreshing = true;
        // console.log('修改刷新',refreshing)
        sessionStorage.setItem('isRouter', 'true');
        // reloadPage();
        //   showModalMask.value = true
        // setTimeout(()=>{
        //   const dom = document.getElementById('updateModel')
        //   if(isError&&!dom){
        //     reloadPage()
        //   }
        // },1000)

        //   setTimeout(()=>{
        //    sessionStorage.removeItem('isRouter')
        //  },60000)
      }
      next();
    });
    const checkNewVersion = async () => {
      if ('serviceWorker' in navigator) {
        // let refreshing = false
        const flag = (await caches.keys()).length > 0;
        // console.log(caches.keys(), `0904路由更新有缓存${flag}`);
        caches.keys().then(function (cacheNames) {
          cacheNames.forEach(function (cacheName) {
            caches.delete(cacheName);
          });
          if (flag) {
            // window.location.reload();
            // dialog.warning({
            //   title: '更新提示',
            //   content: '网站有更新请点击确定刷新页面?',
            //   positiveText: '确定',
            //   negativeText: '取消',
            //   onPositiveClick: () => {
            //   }
            // });
          }
        });

        // 尝试监听install

        navigator.serviceWorker.addEventListener(
          'controllerchange',
          async () => {
            console.log('controllerchange刷新', route.path, 'path');
            const flag = await versionCheck();
            if (refreshing || route.path == '/attend-class' || !flag) {
              return;
            }
            const isRouter = sessionStorage.getItem('isRouter');
            if (!isRouter) {
              // showModalMask.value = true
              reloadPage();
            }
            refreshing = true;
          }
        );
      }
    };

    console.log(route.path, 'route.path');
    checkNewVersion();
    onBeforeUnmount(() => {
      sessionStorage.removeItem('isRouter');
      window.removeEventListener('error', isChromeError);
    });

    // 版本监控
    const versionCheck = async () => {
      console.log(import.meta.env.MODE, 'import.meta.env', __APP_VERSION__);
      if (import.meta.env.MODE === 'development') return;
      const response = await axios.get('version.json');
      // eslint-disable-next-line no-undef
      console.log(__APP_VERSION__, response.data.version);
      if (__APP_VERSION__ !== response.data.version) {
        // eslint-disable-next-line no-undef
        return true;
      } else {
        return false;
      }
    };

    return () => (
      <div>
        <NModal v-model:show={showModalMask.value} mask-closable={false}>
          <div class={styles.downMove} id="updateModel">
            <img src={rocketIcon} class={styles.dingPng} alt="" />
            <img src={downBg} class={styles.downMoveBg} alt="" />
            <h2>发现新版本</h2>
            <p>为提升您的用户体验，请刷新页面后使用</p>
            {/* <NButton>确定</NButton> */}
            <NSpace style={{ padding: '25px 0 0 0' }} justify="center">
              <NButton
                class={styles.submitAppBtn}
                round
                type="primary"
                onClick={reloadPage}>
                立即刷新
              </NButton>
            </NSpace>
          </div>
        </NModal>
      </div>
    );
  }
});