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, setToken} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { ossLogin } from "@/api/h5"

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

const whiteList = ['/login','/h5/login','/print'] // no redirect whitelist

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

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

  //osslogin
  if (/^\/oss_login.*/.test(to.path)) {
    if (to.query.token) {
      const ossRes= await ossLogin({
        oss_token: to.query.token
      })
      setToken(ossRes.user.bianma,"difficult_employee_token_h5")
      next({
        path: "/h5",
        replace: true
      })
    }
    return
  }

  // determine whether the user has logged in
  let hasToken = getToken()
  if (/^\/h5.*/.test(to.path)) {
    hasToken = getToken("difficult_employee_token_h5")
  } else {
    hasToken = getToken()
  }
  console.log(hasToken)

  if (whiteList.indexOf(to.path) !== -1) {
    // in the free login whitelist, go directly
    next()
    return
  }

  if (hasToken && hasToken !== 'undefined') {
    if (to.path === '/login' || to.path === '/h5/login') {
      // if is logged in, redirect to the home page
      let isH5 = to.path !== '/login'
      next({ path: isH5 ? '/h5' : '/' })
      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) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          if (!/^\/h5.*/.test(to.path)) {
            const { roles } = await store.dispatch('user/getInfo')

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

            //console.log(accessRoutes)
            // dynamically add accessible routes
            router.addRoutes(accessRoutes)
            next({ ...to, replace: true })
          } else {
            next();
          }
          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record

        } 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(`${/^\/h5.*/.test(to.path) ? '/h5/login' : '/login'}?redirect=${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(`${/^\/h5.*/.test(to.path) ? '/h5/login' : '/login'}?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})