import Vue from 'vue'
  import Router from 'vue-router'
  
  Vue.use(Router)
  
  /* Layout */
  import Layout from '@/layout'

  /* Router Modules */
  import componentsRouter from './modules/components'
  import chartsRouter from './modules/charts'
  import tableRouter from './modules/table'
  import nestedRouter from './modules/nested'

  /**
   * 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

      noCache: true                if set true, the page will no be cached(default is false)
      affix: true                  if set true, the tag will affix in the tags-view

      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',
      component: Layout,
      hidden: true,
      children: [
        {
          path: '/redirect/:path*',
          component: () => import('@/views/redirect/index')
        }
      ]
    },
    {

      path: '/login',
      component: () => import('@/views/login/index'),
      hidden: true
    },

    {

      path: '/auth-redirect',
      component: () => import('@/views/login/auth-redirect'),
      hidden: true
    },
    {

      path: '/404',

      component: () => import('@/views/error-page/404'),
      hidden: true
    },
    {
      path: '/401',
      component: () => import('@/views/error-page/401'),

      hidden: true
    },

    {
      path: '/',
      component: Layout,
      redirect: '/dashboard',

      children: [
        {
          path: 'dashboard',
          component: () => import('@/views/dashboard/index'),
          name: 'Dashboard',
          meta: { title: 'dashboard', icon: 'dashboard', affix: true }

        }

      ]

    },

    // {
    //   path: '/documentation',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'index',
    //       component: () => import('@/views/documentation/index'),
    //       name: 'Documentation',
    //       meta: { title: 'documentation', icon: 'documentation', affix: true }
    //     }
    //   ]
    // },
    // {
    //   path: '/guide',
    //   component: Layout,
    //   redirect: '/guide/index',
    //   children: [
    //     {
    //       path: 'index',
    //       component: () => import('@/views/guide/index'),
    //       name: 'Guide',
    //       meta: { title: 'guide', icon: 'guide', noCache: true }
    //     }
    //   ]
    // },

    {

      path: '/profile',

      component: Layout,

      redirect: '/profile/index',
      hidden: true,
      children: [
        {
          path: 'index',
          component: () => import('@/views/profile/index'),
          name: 'Profile',
          meta: { title: 'profile', icon: 'user', noCache: true }

        }
      ]

    }
  ]
  
  /**
   * asyncRoutes
   * the routes that need to be dynamically loaded based on user roles
   */
  export const asyncRoutes = [

    {

      path: '/permission',

      component: Layout,

      redirect: '/permission/page',
      alwaysShow: true, // will always show the root menu
      name: 'Permission',

      meta: {

        title: 'permission',
        icon: 'lock',
        roles: ['admin', 'editor'] // you can set roles in root nav

      },

      children: [
        {
          path: 'page',
          component: () => import('@/views/permission/page'),
          name: 'PagePermission',

          meta: {

            title: 'pagePermission',
            roles: ['admin'] // or you can only set roles in sub nav

          }

        },
        {

          path: 'directive',
          component: () => import('@/views/permission/directive'),
          name: 'DirectivePermission',

          meta: {

            title: 'directivePermission'
            // if do not set roles, means: this page does not require permission

          }

        },

        {

          path: 'role',
          component: () => import('@/views/permission/role'),
          name: 'RolePermission',

          meta: {

            title: 'rolePermission',
            roles: ['admin', 'editor']

          }

        }
      ]

    },

    {

      path: '/icon',

      component: Layout,

      children: [

        {

          path: 'index',
          component: () => import('@/views/icons/index'),
          name: 'Icons',
          meta: { title: 'icons', icon: 'icon', noCache: true }

        }
      ]
    },

  
    /** when your routing map is too long, you can split it into small modules **/
    componentsRouter,
    chartsRouter,
    nestedRouter,
    tableRouter,
  
    // {
    //   path: '/example',
    //   component: Layout,
    //   redirect: '/example/list',
    //   name: 'Example',
    //   meta: {
    //     title: 'example',
    //     icon: 'example'
    //   },
    //   children: [
    //     {
    //       path: 'create',
    //       component: () => import('@/views/example/create'),
    //       name: 'CreateArticle',
    //       meta: { title: 'createArticle', icon: 'edit' }
    //     },
    //     {
    //       path: 'edit/:id(\\d+)',
    //       component: () => import('@/views/example/edit'),
    //       name: 'EditArticle',
    //       meta: { title: 'editArticle', noCache: true, activeMenu: '/example/list' },
    //       hidden: true
    //     },
    //     {
    //       path: 'list',
    //       component: () => import('@/views/example/list'),
    //       name: 'ArticleList',
    //       meta: { title: 'articleList', icon: 'list' }
    //     }
    //   ]
    // },

    {

      path: '/tab',

      component: Layout,

      children: [

        {

          path: 'index',
          component: () => import('@/views/tab/index'),
          name: 'Tab',
          meta: { title: 'tab', icon: 'tab' }

        }
      ]

    },
  
    // {
    //   path: '/error',
    //   component: Layout,
    //   redirect: 'noRedirect',
    //   name: 'ErrorPages',
    //   meta: {
    //     title: 'errorPages',
    //     icon: '404'
    //   },
    //   children: [
    //     {
    //       path: '401',
    //       component: () => import('@/views/error-page/401'),
    //       name: 'Page401',
    //       meta: { title: 'page401', noCache: true }
    //     },
    //     {
    //       path: '404',
    //       component: () => import('@/views/error-page/404'),
    //       name: 'Page404',
    //       meta: { title: 'page404', noCache: true }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/error-log',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'log',
    //       component: () => import('@/views/error-log/index'),
    //       name: 'ErrorLog',
    //       meta: { title: 'errorLog', icon: 'bug' }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/excel',
    //   component: Layout,
    //   redirect: '/excel/export-excel',
    //   name: 'Excel',
    //   meta: {
    //     title: 'excel',
    //     icon: 'excel'
    //   },
    //   children: [
    //     {
    //       path: 'export-excel',
    //       component: () => import('@/views/excel/export-excel'),
    //       name: 'ExportExcel',
    //       meta: { title: 'exportExcel' }
    //     },
    //     {
    //       path: 'export-selected-excel',
    //       component: () => import('@/views/excel/select-excel'),
    //       name: 'SelectExcel',
    //       meta: { title: 'selectExcel' }
    //     },
    //     {
    //       path: 'export-merge-header',
    //       component: () => import('@/views/excel/merge-header'),
    //       name: 'MergeHeader',
    //       meta: { title: 'mergeHeader' }
    //     },
    //     {
    //       path: 'upload-excel',
    //       component: () => import('@/views/excel/upload-excel'),
    //       name: 'UploadExcel',
    //       meta: { title: 'uploadExcel' }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/zip',
    //   component: Layout,
    //   redirect: '/zip/download',
    //   alwaysShow: true,
    //   name: 'Zip',
    //   meta: { title: 'zip', icon: 'zip' },
    //   children: [
    //     {
    //       path: 'download',
    //       component: () => import('@/views/zip/index'),
    //       name: 'ExportZip',
    //       meta: { title: 'exportZip' }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/pdf',
    //   component: Layout,
    //   redirect: '/pdf/index',
    //   children: [
    //     {
    //       path: 'index',
    //       component: () => import('@/views/pdf/index'),
    //       name: 'PDF',
    //       meta: { title: 'pdf', icon: 'pdf' }
    //     }
    //   ]
    // },
    // {
    //   path: '/pdf/download',
    //   component: () => import('@/views/pdf/download'),
    //   hidden: true
    // },
  
    {
      path: '/theme',

      component: Layout,

      children: [

        {

          path: 'index',
          component: () => import('@/views/theme/index'),
          name: 'Theme',
          meta: { title: 'theme', icon: 'theme' }

        }
      ]
    },

    // {
    //   path: '/clipboard',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'index',
    //       component: () => import('@/views/clipboard/index'),
    //       name: 'ClipboardDemo',
    //       meta: { title: 'clipboardDemo', icon: 'clipboard' }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/i18n',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'index',
    //       component: () => import('@/views/i18n-demo/index'),
    //       name: 'I18n',
    //       meta: { title: 'i18n', icon: 'international' }
    //     }
    //   ]
    // },
  
    // {
    //   path: 'external-link',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'https://github.com/PanJiaChen/vue-element-admin',
    //       meta: { title: 'externalLink', icon: 'link' }
    //     }
    //   ]
    // },

    // 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