/* eslint-disable no-unused-vars */
/* eslint-disable no-useless-return */

export const TokenKey = 'Admin-token'

/**
 * 解析服務(wù)端拿到的cookie
 * @param {*} cookie
 * @param {*} key
 */
export function getCookie(cookie, key) {
 if (!cookie) return
 const arrstr = cookie.split('; ')
 for (let i = 0; i < arrstr.length; i++) {
 const temp = arrstr[i].split('=')

 if (temp[0] === key) return unescape(temp[1])
 }
}

// 登錄頁(yè)
const loginPath = '/login'
// 首頁(yè)
const indexPath = '/home'
// 路由白名單，直接繞過(guò)路由守衛(wèi)
const whiteList = [loginPath]

/**
 * @description 鑒權(quán)中間件，用于校驗(yàn)登陸
 *
 */
export default async ({ store, redirect, env, route, req }) => {
 const { path, fullPath, query } = route
 const { redirect: redirectPath } = query

 // 應(yīng)對(duì)刷新 vuex狀態(tài)丟失的解決方案
 if (process.server) {
 const cookie = req.headers.cookie
 const token = getCookie(cookie, TokenKey)

 // 設(shè)置登錄狀態(tài)
 if (token) {
  store.commit('LOGIN', token) //'LOGIN' 和store中的mutations對(duì)應(yīng)起來(lái)就可以了
 }

 if (token) {
  // 已經(jīng)登錄，進(jìn)來(lái)的是登錄頁(yè)，且有重定向的路徑，直接調(diào)跳到重定向的路徑
  if (path === loginPath && path !== redirectPath) {
  redirect(redirectPath)
  } else if (path === '/') {
  redirect(indexPath)
  } else {
  // 其他的已經(jīng)登錄過(guò)得直接跳過(guò)
  return
  }
 } else {
  // 鑒權(quán)白名單
  if (whiteList.includes(path)) return

  // 未登錄，進(jìn)來(lái)的不是是登錄頁(yè)，全部重定向到登錄頁(yè)
  if (!path.includes(loginPath)) {
  redirect(`${loginPath}?redirect=${encodeURIComponent(fullPath)}`)
  }
 }
 }
}

export default function (context) {
 context.userAgent = context.isServer ? context.req.headers['user-agent'] : navigator.userAgent
}

import axios from 'axios' 
export default function ({ route }) {
 return axios.post('http://my-stats-api.com', {
 url: route.fullPath
 })
}

module.exports = {
 router: {
 middleware: 'stats'
 } 
}