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

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/* Router */
import dashboardRouter from './dashboard'
import adRouter from './ad'
import comRouter from './com'
import adminRouter from './admin'
import userRouter from './user'
import libRouter from './lib'
import errRouter from './error'

/**
 * 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'             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: '/',
    redirect: '/ad/list'
  },
  {
    path: '/login',
    component: () => import('@/views/common/login'),
    hidden: true,
  },
  {
    path: '/register',
    component: () => import('@/views/common/register'),
    hidden: true,
  },
  // TODO: 首页暂时隐藏
  // dashboardRouter,
  adRouter,
  libRouter,
  // comRouter,
  // adminRouter,
  errRouter,
  // TODO: 添加granfa 外链
  // {
  //   path: 'external-link',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'https://github.com/PanJiaChen/vue-element-admin',
  //       meta: {title: 'externalLink', icon: 'link'},
  //     },
  //   ],
  // },
  userRouter,
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  adminRouter, 
  // 404 page must be placed at the end !!!
  {path: '*', redirect: '/404', hidden: true},
]

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

const router = createRouter()

// 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