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,removeToken } 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
const noUserMsg = '获取用户信息失败，请重新登录 !'

// 跳转登录页
const pageToLogin = (to, from, next) => {
  if (whiteList.indexOf(to.path) >= 0 ) {
    // in the free login whitelist, go directly
    next()
    NProgress.done()
  } else {
    // other pages that do not have permission to access are redirected to the login page.
    removeToken()
    next(`/login?redirect=${to.path}`)
    NProgress.done()
  }
}

// 首次进入页面加载数据处理
const toPageInit = async (to, from, next) => {

  // 获取用户信息
  let _username = localStorage.getItem("isLoginTokenName")//登录成功且token通过后的登录名
  if(_username && _username != null && (!store.getters.currentUserInfo || store.getters.currentUserInfo.length <= 0)){
    await store.dispatch('user/getUserInfo',_username)
    .then(()=>{
      toNextHandle(to, from, next)
    })
    .catch(()=>{
      // todo-fast:接口恢复后更改
      toNextHandle(to, from, next)
      // Message.error(noUserMsg)
      // pageToLogin(to, from, next)
    })
    return
  }

  toNextHandle(to, from, next)
}

// 跳转处理
const toNextHandle = async (to, from, next) => {
  let isFresh = false

  // 获取表头转义
  if(!store.getters.columZHList){
    await store.dispatch('definition/getColumZHList')
  }

  // 获取菜单数据
  if(!store.getters.permission_routes || store.getters.permission_routes.length <= 0){
    isFresh = true
    await store.dispatch('permission/getApiColumnsNames')
  }

  // 获取枚举数据
  if(!store.getters.enumList || store.getters.enumList.length <= 0){
    await store.dispatch('definition/getDefinitionConfig')
  }

  if(isFresh){
    next({...to,replace:true})
  }else{
    next()
  }
  NProgress.done()
}

router.beforeEach(async (to, from, next) => {

  // start progress bar
  NProgress.start()
  // set page title
  document.title = getPageTitle()

  const hasToken = getToken()
  // 判断是否自动登录
  let isAutoLogin = JSON.parse(localStorage.getItem('isConfigLogin')) || to.query.loginName

  if(hasToken){
    if (to.path === '/login') {
      console.log('有token，是登录页，将跳转至/')
      // if is logged in, redirect to the home page
      next({
        path: '/'
      })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {      
      console.log('有token，不是登录页，toPageInit')
      await toPageInit(to, from, next)
    }
  }else{
    if (to.path === '/login') {
      console.log('没有token，是登录页，pageToLogin')
      pageToLogin(to, from, next)
    } else {
      if(isAutoLogin){
        let _username = localStorage.getItem("isConfigLogin") && localStorage.getItem("isConfigLogin") != 'false' ? localStorage.getItem("configLoginName") : to.query.loginName
        await store.dispatch('user/loginOnlyName', {username:_username})
          .then(()=>{
            toPageInit(to, from, next)
          })
          .catch(()=>{
            // todo-fast:接口恢复后更改
            toNextHandle(to, from, next)
            // Message.error(noUserMsg)
            // pageToLogin(to, from, next)
          })
      }else{
        console.log('没有token，不是登录页，不是自动登录，pageToLogin')
        pageToLogin(to, from, next)
      }
    }
  }
})

router.afterEach(() => {
  // element-ui 使用 Tooltip 提示时候，更换页面，提示依旧存在偶现bug处理。
  const mytooltipList = document.querySelectorAll('.el-tooltip__popper') // 获取页面所有tooltip的dom集合
  setTimeout(() => {
    mytooltipList.forEach((value) => {
      value.style.display = 'none'
      if(value.parentElement){
        value.parentElement.removeChild(value)
      }
    })
  }, 1000)
  // finish progress bar
  NProgress.done()
})