import router from './router'
import { checkToken,logout } from '@/api/login'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken,removeToken } from '@/utils/auth'
import { isRelogin } from '@/utils/request'
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/auth-redirect', '/bind', '/register','/tools','/loginBySSO']

router.beforeEach(async(to, from, next) => {
  NProgress.start()
  if (to.query.token) {
    setToken(to.query.token)
  }
  if (to.query.referrer) {
    Cookies.set('referrer', to.query.referrer)
  }
  document.title = getPageTitle(to.meta.i18n ? i18n.t('router.title.' + to.meta.title) : to.meta.title)
  const hasToken = getToken()
  if (hasToken) {
    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)

    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {

      // 获取最近访问路径
      // store.dispatch('tagsView/setTitle')

      if (store.getters.roles.length === 0) {

        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(() => {
          isRelogin.show = false
          store.dispatch('GenerateRoutes').then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            let path = '/'
            if(accessRoutes&&accessRoutes[0].path != path){
              if(accessRoutes[0].children){
                path = accessRoutes[0].path + '/' + accessRoutes[0].children[0].path
              }
              else{
                path = accessRoutes[0].path
              }
            }else{
               path = accessRoutes[0].children[0].path
            }
            // next({ path, replace: true }) // hack方法 确保addRoutes已完成
            // next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
            router.addRoutes(accessRoutes) // 动态添加可访问路由表

            if(from.path == '/login' || to.fullPath=='/'){
              next({ path, replace: true }) // hack方法 确保addRoutes已完成
            }
            else{
              next({ ...to, replace: true })
            }

          })
        }).catch(err => {
            store.dispatch('LogOut').then(() => {
              Message.error(err)
              next({ path: '/' })
            })
          })
      } else {

        // next()

        // 判断token有效性
        checkToken().then(res => {
          next()
        }).catch((err) => {
          logout().then(() => {
            Message.error(err || '已成功退出')
            removeToken()
            next({
              path: '/'
            })
          })
        })

      }
    }
  } 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()
})