import Vue from 'vue';
import Router from 'vue-router';
const _import = require('./_import_' + process.env.NODE_ENV);
// in development env not use Lazy Loading,because Lazy Loading large page will cause webpack hot update too slow
// so only in production use Lazy Loading

/* layout */
import Layout from '../views/layout/Layout';

/* login */
const Login = _import('login/index');

/* dashboard */
const dashboard = _import('dashboard/index');

/* error page */
const Err404 = _import('404');

const Page = _import('page/index');

Vue.use(Router);

 /**
  * icon : the icon show in the sidebar
  * hidden : if hidden:true will not show in the sidebar
  * redirect : if redirect:noredirect will not redirct in the levelbar
  * noDropdown : if noDropdown:true will not has submenu
  * meta : { role: ['admin'] }  will control the page role
  **/
export const constantRouterMap = [
  { path: '/404', component: Err404, hidden: true },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    name: '首页',
    hidden: true,
    children: [{ path: 'dashboard', component: dashboard }]
  }
]

export default new Router({
  // mode: 'history', //后端支持可开
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRouterMap
});

export const asyncRouterMap = [
  {
    path: '/example',
    component: Layout,
    redirect: 'noredirect',
    name: 'page',
    icon: 'zonghe',
    children: [
      { path: 'index', component: Page, name: 'page' }
    ]
  },
  { path: '*', redirect: '/404', hidden: true }
];