import { createRouter, createWebHistory } from 'vue-router'
import HomeView from '../views/HomeView.vue'
import Login from "../views/Login.vue";

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    {
      path: '/',
      name: 'home',
      component: HomeView,
      meta: {
        title: 'SN管理',
        requiresAuth: true  // 添加这行，标记该路由需要认证
      }

    },
    {
      path: '/login',
      name: 'Login',
      component: Login,
      meta: {
        requiresAuth: false // 明确表示登录页不需要认证
      }
    }
  ]
})

// 路由守卫
router.beforeEach((to, from, next) => {
  const isAuthenticated = sessionStorage.getItem('isAuthenticated')

  if (to.path === '/login' && !isAuthenticated) {
    return next('/login')
  }

  // 需要认证但未登录 → 跳转登录页
  if (to.meta.requiresAuth && !isAuthenticated) {
    return next('/login')
  }

  // 已登录但访问登录页 → 跳转首页
  if (to.path === '/login' && isAuthenticated) {
    return next('/')
  }



  next()
})


export default router