import Vue from 'vue'
import VueRouter from 'vue-router'
import Layout from '@/views/Layout.vue'
import { isAllowed, defaultPath } from '@/config/menu-roles.js'

Vue.use(VueRouter)

const routes = [
  {
    path: '/login',
    name: 'Login',
    component: () => import('@/views/Login.vue'),
    meta: { title: '登录' }
  },
  {
    path: '/screen',
    name: 'Screen',
    component: () => import('@/views/Screen.vue'),
    meta: { title: '课程现场投屏' }
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/Dashboard.vue'),
        meta: { title: '概览' }
      },
      {
        path: 'courses',
        name: 'Courses',
        component: () => import('@/views/Courses.vue'),
        meta: { title: '课程管理' }
      },
      {
        path: 'modules',
        name: 'Modules',
        component: () => import('@/views/Modules.vue'),
        meta: { title: '模块管理' }
      },
      {
        path: 'classes',
        name: 'Classes',
        component: () => import('@/views/Classes.vue'),
        meta: { title: '班级管理' }
      },
      {
        path: 'salons',
        name: 'Salons',
        component: () => import('@/views/Salons.vue'),
        meta: { title: '沙龙管理' }
      },
      {
        path: 'members',
        name: 'Members',
        component: () => import('@/views/Members.vue'),
        meta: { title: '会员台账' }
      },
      {
        path: 'enrollments',
        name: 'Enrollments',
        component: () => import('@/views/Enrollments.vue'),
        meta: { title: '报名管理' }
      },
      {
        path: 'orders',
        name: 'Orders',
        component: () => import('@/views/Orders.vue'),
        meta: { title: '订单管理' }
      },
      {
        path: 'group-orders',
        name: 'GroupOrders',
        component: () => import('@/views/GroupOrders.vue'),
        meta: { title: '团报管理' }
      },
      {
        path: 'cases',
        name: 'Cases',
        component: () => import('@/views/Cases.vue'),
        meta: { title: '案例管理' }
      },
      {
        path: 'groups',
        name: 'Groups',
        component: () => import('@/views/Groups.vue'),
        meta: { title: '分组管理' }
      },
      {
        path: 'invites',
        name: 'Invites',
        component: () => import('@/views/Invites.vue'),
        meta: { title: '转介绍漏斗' }
      },
      {
        path: 'materials',
        name: 'Materials',
        component: () => import('@/views/Materials.vue'),
        meta: { title: '课前资料' }
      },
      {
        path: 'users',
        name: 'Users',
        component: () => import('@/views/Users.vue'),
        meta: { title: '学员管理' }
      },
      {
        path: 'review/submissions',
        name: 'Submissions',
        component: () => import('@/views/Submissions.vue'),
        meta: { title: '成果审核' }
      },
      {
        path: 'review/cards',
        name: 'Cards',
        component: () => import('@/views/Cards.vue'),
        meta: { title: '教学卡评分' }
      },
      {
        path: 'review/roadmaps',
        name: 'Roadmaps',
        component: () => import('@/views/Roadmaps.vue'),
        meta: { title: '路演评审' }
      },
      {
        path: 'scoreboard',
        name: 'Scoreboard',
        component: () => import('@/views/Scoreboard.vue'),
        meta: { title: '积分榜' }
      },
      {
        path: 'manual-score',
        name: 'ManualScore',
        component: () => import('@/views/ManualScore.vue'),
        meta: { title: '人工加减分' }
      },
      {
        path: 'stats',
        name: 'Stats',
        component: () => import('@/views/Stats.vue'),
        meta: { title: '统计' }
      }
    ]
  }
]

const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})

router.beforeEach(function (to, from, next) {
  document.title = (to.meta && to.meta.title ? to.meta.title + ' - ' : '') + '爱伴·AI之旅 管理后台'
  var token = localStorage.getItem('token')
  if (to.path === '/login') {
    if (token) {
      return next('/dashboard')
    }
    return next()
  }
  if (!token) {
    return next('/login')
  }
  // 角色越权检查：非授权菜单访问 → 重定向到该角色默认页
  var role = localStorage.getItem('role') || 'admin'
  if (!isAllowed(role, to.path)) {
    return next(defaultPath(role))
  }
  next()
})

// Suppress navigation guard redirect errors
var originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function push(location) {
  return originalPush.call(this, location).catch(function (err) { return err })
}

export default router