text: import router from './router'
  import store from './store'
  import { Message } from 'element-ui'
  import NProgress from 'nprogress' // progress bar
  import 'nprogress/nprogress.css' // progress bar style
  import { constantRoutes } from './router'
  import getPageTitle from '@/utils/get-page-title'
  
  NProgress.configure({ showSpinner: false }) // NProgress Configuration
  
  const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist
  
  router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start()
    /**
     * Check if the page was refreshed
     *
    if (from.name == null) {
      // dynamically add accessible routes
      router.options.routes = constantRoutes.concat(store.getters.extra_routes)
      console.log("After addroutes")
      console.log(router.options.routes)
    }
    */
    if (to.matched.length === 0) {
      console.log('not matched, logout')
      await store.dispatch('user/logout')
      next(`/login`)
      NProgress.done()
    } else {
      // set page title
      document.title = getPageTitle(to.meta.title)
  
      // determine whether the user has logged in
      const hasToken = store.getters.token
  
      if (hasToken) {
        if (to.path === '/login') {
          // if is logged in, redirect to the home page
          next({ path: '/' })
          NProgress.done()
        } else {
          // determine whether the user has obtained his permission roles through getInfo
          const hasRoles = store.getters.roles && store.getters.roles.length > 0
          if (hasRoles) {
            next()
          } else {
            try {
              // get user info
              // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
              //const { roles } = await store.dispatch('user/getInfo')
              const roles = [store.getters.role]
              store.dispatch('user/setRole', roles)
              // generate accessible routes map based on roles
              const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
              // dynamically add accessible routes
              router.addRoutes(accessRoutes)
              router.options.routes = constantRoutes.concat(accessRoutes)
  
              // hack method to ensure that addRoutes is complete
              // set the replace: true, so the navigation will not leave a history record
              next({ ...to, replace: true })
            } catch (error) {
              // remove token and go to login page to re-login
              await store.dispatch('user/resetToken')
              Message.error(error || 'Has Error')
              next(`/login?redirect=${to.path}`)
              NProgress.done()
            }
          }
        }
      } else {
        /* has no token*/
  
        if (whiteList.indexOf(to.path) !== -1) {
          // in the free login whitelist, go directly
          next()
        } else {
          // other pages that do not have permission to access are redirected to the login page.
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  })
  
  router.afterEach(() => {
    // finish progress bar
    NProgress.done()
  })
  