import router from './router'
import {
  ElMessage
} from 'element-plus'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import {
  getToken
} from '@/utils/auth'
import {
  isHttp
} from '@/utils/validate'
import {
  isRelogin
} from '@/utils/request'
import useUserStore from '@/store/modules/user'
import useSettingsStore from '@/store/modules/settings'
import usePermissionStore from '@/store/modules/permission'
import axios from "axios";


NProgress.configure({
  showSpinner: false
});

const whiteList = ['/login', '/register'];

// 版本判断
const checkVersion = async () => {
  const url = `/version.json?t=${Date.now()}`;
  let res = null;
  try {
    res = await axios.get(url);
  } catch (err) {
    console.error("checkVersion error: ", err);
  }
  let version = null;
  if (res) {
    version = res.data.version;
  }
  const localVersion = localStorage.getItem("ehsd_web_version");
  if (version && localVersion && JSON.parse(localVersion).version && JSON.parse(localVersion).version !== version) {
    localStorage.setItem("ehsd_web_version", JSON.stringify({
      version: version
    }));
    window.location.reload();
  } else {
    localStorage.setItem("ehsd_web_version", JSON.stringify({
      version: version
    }));
  }
};

const isRefresh =
  import.meta.env.VITE_REFRESH
router.beforeEach((to, from, next) => {
  // 检测版本更新;
  if (from.path !== "/" && isRefresh === "true") {
    checkVersion();
  }
  NProgress.start()
  if (getToken()) {
    to.meta.title && useSettingsStore().setTitle(to.meta.title)
    /* has token*/
    if (to.path === '/login') {
      next({
        path: '/'
      })
      NProgress.done()
    } else {
      if (useUserStore().roles.length === 0) {
        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        useUserStore().getInfo().then(() => {
          isRelogin.show = false
          usePermissionStore().generateRoutes().then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            accessRoutes.forEach(route => {
              if (!isHttp(route.path)) {
                router.addRoute(route) // 动态添加可访问路由表
              }
            })
            next({
              ...to,
              replace: true
            }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
          useUserStore().logOut().then(() => {
            ElMessage.error(err)
            next({
              path: '/'
            })
          })
        })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})