import { createRouter, createWebHistory } from 'vue-router'
import type { RouteRecordRaw } from 'vue-router'
import { useUserStore } from '@/stores/user'

const routes: RouteRecordRaw[] = [
  {
    path: '/login',
    name: 'Login',
    component: () => import('@/views/Login.vue'),
    meta: { title: '登录' }
  },
  {
    path: '/',
    component: () => import('@/views/Layout.vue'),
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/Dashboard.vue'),
        meta: { title: '首页' }
      },
      {
        path: 'customer',
        name: 'Customer',
        component: () => import('@/views/Customer.vue'),
        meta: { title: '客户管理' }
      },
      {
        path: 'report',
        name: 'Report',
        component: () => import('@/views/Report.vue'),
        meta: { title: '报备管理' }
      },
      {
        path: 'dealer',
        name: 'Dealer',
        component: () => import('@/views/Dealer.vue'),
        meta: { title: '经销商管理', requiresAdmin: true }
      }
    ]
  }
]

const router = createRouter({
  history: createWebHistory(),
  routes
})

// 路由守卫
router.beforeEach((to, from, next) => {
  const userStore = useUserStore()

  // 设置页面标题
  document.title = `${to.meta.title || ''} - 经销商管理系统`

  // 如果访问登录页，已登录则跳转到首页
  if (to.path === '/login') {
    if (userStore.isLoggedIn) {
      next('/')
    } else {
      next()
    }
    return
  }

  // 其他页面需要登录
  if (!userStore.isLoggedIn) {
    next('/login')
    return
  }

  // 管理员权限校验
  if (to.meta.requiresAdmin && !userStore.isAdmin) {
    next('/')
    return
  }

  next()
})

export default router