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 { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({
  showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist
router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()
  const hasGetConfig = store.getters.sitename
  if (hasGetConfig) {
    next()
  } else {
    try {
      // get user info
      await store.dispatch('config/getConfigInfo')

      next()
    } catch (error) {
      console.log(error)
      // remove token and go to login page to re-login
      await store.dispatch('config/resetConfiginfo')
      // Message.error(error.message || 'Has Error')
      next()
      NProgress.done()
    }
  }

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({
        path: '/'
      })
      NProgress.done()
    } else {
      const hasGetUserInfo = store.getters.name
      if (hasGetUserInfo) {
        next()
      } else {
        try {
          // get user info
          await store.dispatch('user/getInfo')

          store
            .dispatch('permission/GenerateRoutes', {
              roles: store.state.user.access
            })
            .then(() => {
              // 生成可访问的路由表
              router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
              next({
                ...to,
                replace: true
              }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
            })
        } 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()
})
