import router from './router'
import store from './store'
import {
  Message
} from 'element-ui'
import { deepCopy } from '@/utils'
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()

  // 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
      await store.dispatch('user/resetToken')

      next(to.fullPath)
      // 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) {
        to.query.tourl ? next(to.query.tourl) : 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')

          // generate accessible routes map based on roles
          const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

          // dynamically add accessible routes
          router.addRoutes(accessRoutes)

          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          const resetTo = deepCopy(to)
          resetTo.path = to.query.tourl || to.path
          resetTo.replace = true
          console.log(resetTo)
          next(resetTo)
        } catch (error) {
          console.log(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.fullPath}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      if (to.query.token && to.query.tp) {
        try {
          await store.dispatch('user/loginskip', {
            token: to.query.token,
            tp: to.query.tp,
            loginId: to.query.loginId
          })
          next(to.query.tourl || '/')
        } catch (e) {
          next('/login')
        }
      }else if(to.query.auth_token && to.query.oaType==='contractSign' && to.query.contractId){
        try {
          await store.dispatch('user/loginskip', {
            token: to.query.auth_token,
            tp: 'inner'
          })
          next(to.fullPath?to.fullPath.slice(1): '/')
        } catch (e) {
          console.log("e",e)
          next('/login')
        }
      } 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()
})