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 { getCookie, getToken, setCookie } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { decode } from 'jsonwebtoken'

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

const whiteList = ['/login', '/zhkb', '/cj', '/ckgl'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

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

  // determine whether the user has logged in
  // const hasToken = getToken()
  // const hasToken = getCookie('admin')
  const hasToken = localStorage.getItem('token')
  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 {
          // 拉取info
          // const info = await store.dispatch('user/getInfo')

          // jwt解密获取用户编码
          const jwt = decode(localStorage.getItem('token'))
          localStorage.setItem('usercode', jwt.usercode)
          localStorage.setItem('username', jwt.username)
          localStorage.setItem('torg_name', jwt.storg_name)
          localStorage.setItem('torg_code', jwt.storg_code)
          localStorage.setItem('mesSetting', jwt.mesSetting)

          // 拉取菜单信息表
          const menu = await store.dispatch('user/getMenu')
          // 生成可访问的路由表
          await store.dispatch('permission/generateRoutes', menu)
          // 动态添加可访问路由表
          router.addRoutes(store.getters.addRouters)

          // hack方法 确保addRoutes已完成
          next({ ...to, replace: true })

          // next()
        } 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}`)
          next(`/login`)
          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()
})