import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar 进度条
import 'nprogress/nprogress.css' // progress bar style 进度条样式
import { Message } from 'element-ui'
import { getToken, getQueryVariable, getCookie, setTicket } from '@/utils/auth' // getToken from cookie
import {getCurrentUrl} from '@/utils/index'
import defaultSettings from '@/settings'

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

const whiteList = ['/login', '/401', '/404', 'config/baseconfig'] // 不重定向白名单
// 全局钩子
router.beforeEach((to, from, next) => {
  NProgress.start() // 加载进度条
  // 从地址获取ticket
  let ticket= getQueryVariable("ticket")
  // 没有从cookie找ticket
  if(ticket==undefined||ticket==null||ticket=="null"){
    ticket = getCookie("ticket")
  }
  // 如果有token
  if (ticket && getToken()) {
    setTicket(ticket)
    // 登录后进入登录页
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      // 当进入非登陆页时
      if (store.getters.roleList.length === 0) { // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(res => { // 拉取用户信息
          // 远程访问获取权限列表（菜单&按钮）
          store.dispatch('GetMenus').then(() => {
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          })
        }).catch((err) => {
          store.dispatch('FedLogOut').then(() => {
            Message.error(err || '权限验证失败，请重新登录系统')
            next({ path: '/' })
          })
        })
      } else {
        next()
      }
    }
  } else {
    // 如果没有ticket, 跳转到单点登录地址
    if(!ticket){
      const ssoServerLogin = `${defaultSettings.ssoServer}/login`
      const appId = defaultSettings.appId
      const currentUrl = getCurrentUrl()
      console.log('to sso login:'+ ssoServerLogin + "?&appId="+appId+"&redirect_url=" + currentUrl)
      window.location.href = ssoServerLogin + "?&appId="+appId+"&redirect_url=" + currentUrl;
    }else{
      if (whiteList.indexOf(to.path) !== -1) { // 免登录白名单，直接进入
        next()
      } else {
        // 不在白名单，传ticket给后台, 换token
        store.dispatch('AppLogin', ticket).then(() => {
          Message.success('自动登录成功')
          next({ path: '/' })
        }).catch(() => {
          next(`/login`) // 否则全部重定向到登录页
        })
        NProgress.done()
      }
    }
  }
})
router.afterEach(() => {
  NProgress.done() // 结束Progress
})