import Vue from 'vue';
import Router from 'vue-router';
import store from '../store'
import menu from '../menu/menu.js'
import { getToken } from '@/utils/auth'; // get token from cookie
Vue.use(Router);

/* Layout */
import Layout from '@/layout';
import AppMain from '@/layout/components/AppMain.vue';

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true,
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true,
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: '首页', icon: 'dashboard' },
      },
      //全病历质控
      {
        path: '/caseNumber',
        name: 'caseNumber',
        component: () => import('@/views/allcase/caseNumber'),
        hidden: true, //不在导航栏展示
        meta: { title: '病案数量' },
      },
      {
        path: '/defectNumber',
        name: 'defectNumber',
        component: () => import('@/views/allcase/defectNumber'),
        hidden: true,//不在导航栏展示
        meta: { title: '缺陷病案'},
      },
      {
        path: '/homePage',
        name: 'homePage',
        component: () => import('@/views/allcase/homePage'),
        hidden: true,//不在导航栏展示
        meta: { title: '出院记录'},
      },
      {
        path: '/caseViews',
        name: 'caseViews',
        component: () => import('@/views/allcase/caseViews'),
        hidden: true,//不在导航栏展示
        meta: { title: '出院记录'},
      },
      //首页数据质控
      {
        path: '/defectList',
        name: 'defectList',
        component: () => import('@/views/data/medicalRecords/defectList'),
        hidden: true,//不在导航栏展示
        meta: { title: '质量分析缺陷病案', keepAlive:true }
      },
      {
        path: '/medicalRecords',
        name: 'medicalRecords',
        component: () => import('@/views/data/medicalRecords'),
        hidden: true, //不在导航栏展示
        meta: { title: '质量分析病案数量',keepAlive:true }
      },
      {
        path: '/errorList',
        name: 'errorList',
        component: () => import('@/views/data/medicalRecords/errorList'),
        hidden: true, //不在导航栏展示
        meta: { title: '病案数' }
      },
      {
        path: '/department',
        name: 'department',
        component: () => import('@/views/data/medicalRecords/department'),
        hidden: true, //不在导航栏展示
        meta: { title: '总缺陷'}
      },
      {
        path: '/TotalRankingList',
        name: 'TotalRankingList',
        component: () => import('@/views/data/frontHome/TotalRankingList'),
        hidden: true, //不在导航栏展示
        meta: { title: '总排名' },
      },
      {
        path: '/codeList',
        name: 'codeList',
        component: () => import('@/views/data/medicalRecords/codeList'),
        hidden: true, //不在导航栏展示
        meta: { title: '编码员' }
      },
      {
        path: '/details',
        name: 'details',
        component: () => import('@/views/data/query/details'),
        hidden: true, //不在导航栏展示
        meta: { title: '病案首页质控详情' }
      },
      {
        path: '/ChargeDetails',
        name: 'ChargeDetails',
        hidden: true, //不在导航栏展示
        component: () => import('@/views/data/query/ChargeDetails'),
        meta: { title: '费用明细' }
      },
      {
        path: '/StatementList',
        name: 'StatementList',
        component: () => import('@/views/SettlementList/StatementList'),
        hidden: true,//不在导航栏展示
        meta: { title: '结算清单数量'}
      },
      // 医保结算清单
      {
        path: '/SetDetails',
        name: 'SetDetails',
        component: () => import('@/views/SettlementList/SetDetails'),
        hidden: true,//不在导航栏展示
        meta: { title: '医保结算单病案数量' }
      },
      {
        path: '/StatementListquery',
        name: 'StatementListquery',
        component: () => import('@/views/SettlementList/StatementListquery'),
        hidden: true,//不在导航栏展示
        meta: { title: '医保结算单病案数量'}
      },
      {
        path: '/defectStatementList',
        name: 'defectStatementList',
        hidden: true,//不在导航栏展示
        component: () => import('@/views/SettlementList/defectStatementList'),
        meta: { title: '缺陷结算清单数量'}
      },
      {
        path: '/caseIndex',
        name: 'caseIndex',
        component: () => import('@/views/allcase/caseIndex'),
        hidden: true,
        meta: { title: '病案指标', keepAlive:true},
      },
      {
        path: '/caseIndexList',
        name: 'caseIndexList',
        component: () => import('@/views/allcase/caseIndexList'),
        hidden: true,
        meta: { title: '指标列表', keepAlive:true },
      },
      {
        path: '/caseIndexAnalysis',
        name: 'CaseIndexAnalysis',
        component: () => import('@/views/allcase/caseIndexAnalysis'),
        hidden: true,
        meta: { title: '指标分析', keepAlive:true },
      },
      {
        path: '/caseIndexAnalysisList',
        name: 'CaseIndexAnalysisList',
        component: () => import('@/views/allcase/caseIndexAnalysisList'),
        hidden: true,
        meta: { title: '指标分析-科室详情' },
      },
      {
        path: '/searchSystem',
        name: 'SearchSystem',
        component: () => import('@/views/searchSystem/index'),
        hidden: true,
        meta: { title: '医院大数据自助查询系统', keepAlive:true,  icon: 'dashboard' },
      },
    ],
  },
  // 医院大数据自助查询系统
  
  {
    path: '/hospital',
    component: AppMain,
    redirect: '/hospital-search',
    children: [
      {
        path: '/hospital-search',
        name: 'HospitalSearch',
        component: () => import('@/views/searchSystem/index'),
        meta: { keepAlive:true },
        hidden: true
      },
      {
        path: '/hospital-caseViews',
        name: 'HospitalCaseViews',
        component: () => import('@/views/allcase/caseViews'),
        hidden: true
      },
      {
        path: '/hospital-details',
        name: 'HospitalDetails',
        component: () => import('@/views/data/query/details'),
        hidden: true
      },
      {
        path: '/hospital-chargeDetails',
        name: 'HospitalChargeDetails',
        hidden: true,
        component: () => import('@/views/data/query/ChargeDetails')
      },
    ]
  },

  {
    path: '/embedIndex',
    component: AppMain,
    redirect: '/embedIndex-home',
    children: [
      {
        path: '/embedIndex-home',
        name: 'EmbedIndexHome',
        component: () => import('@/views/embedIndex/index'),
        meta: { keepAlive:true },
        hidden: true
      }
    ]
  },
];

const createRouter = () =>
  new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes,
  });

const router = createRouter();

const whiteList = ['/login','/404']; // 添加路由白名单
//路由判断
router.beforeEach(async (to, from, next) => {
  const hasToken = getToken();
  if(hasToken){
    if (!store.state.user.menu.length) { 
      // 判断当前用户是否已拉取完权限菜单信息
      // 如果本地不存在权限菜单，则获取权限菜单，生成菜单列表
      if(!sessionStorage.getItem("route")){
      //获取路由菜单
        menu.getMenu().then(response =>{
          //保险起见，组装一次数据
            menu.parseRoute(JSON.parse(sessionStorage.getItem("route")),[]).then(res =>{
              //添加路由并进行跳转
              menu.addMenu(res).then(e =>{
                next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
              })
            })
        }).catch(err =>{//失败则直接跳转登录页面
          next(`/login?redirect=${to.path}`);
        })
      }else{//从缓存中读取用户权限列表，并添加菜单到侧边栏和路由元
        menu.parseRoute(JSON.parse(sessionStorage.getItem("route")),[]).then(res =>{
          menu.addMenu(res).then(e =>{
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
          })
        })
      }
    }else{
      // 有路由表直接放行
      next();
    }
  }else{
    if (whiteList.indexOf(to.path) !== -1) {
      // 在白名单内直接放行
      next();
    } else {
      console.log('1')
      // 其他没有访问权限的页面将被重定向到登录页面。
      next(`/login?redirect=${to.path}`);
    }
  }

  if(to.path == from.path ){
    // 让 列表页 即不缓存，刷新
    to.meta.keepAlive = false; 
  }
  next()

})
  

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter();
  router.matcher = newRouter.matcher; // reset router
}

export default router;