import Vue from 'vue'
import Router from 'vue-router'

// in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot update too slow. so only in production use lazy-loading;
// detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading

Vue.use(Router)

/* Layout */
import Layout from '@/layout/Layout'
import { systemRouters } from './modules/system'
import { menuRouters } from './modules/menu'

/**
 * hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
 *                                if not set alwaysShow, only more than one route under the children
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noredirect           if `redirect:noredirect` will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    title: 'title'               the name show in subMenu and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if false, the item will hidden in breadcrumb(default is true)
  }
 **/
/**
 * 静态路由
 */
export const constantRouterMap = [
  // {
  //   path: '/',
  //   component: Layout,
  //   redirect: '/overview',
  //   name: 'Overview',
  //   meta: {
  //     title: '地图总览',
  //     icon: 'icon-map' // 图标
  //   },
  //   children: [
  //     {
  //       path: '/overview',
  //       name: 'Overview',
  //       component: () => import('@/views/overview/listoverview.vue'),
  //       meta: { title: '地图总览', icon: '' }
  //     }
  //   ]
  // },
  { // 重定向
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path(.*)',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  { path: '/board', component: () => import('@/views/popup/board'), hidden: true },
  // 登录页面
  { path: '/login', component: () => import('@/views/login/index_2'), hidden: true },
  // 404错误页面
  { path: '/404', component: () => import('@/views/errorPage/404'), hidden: true },
  // // 401 错误页面
  { path: '/401', component: () => import('@/views/errorPage/401'), hidden: true }
]
// 实例化vue的时候直挂载constantRouter
export default new Router({
  // mode: 'history', //后端支持可开
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRouterMap
})

// 异步挂载路由
// 动态需要根据权限加载的路由表
export const asyncRouterMap = [
  ...menuRouters,
  { path: '*', redirect: '/404', hidden: true }
]