import { createRouter, createWebHistory } from 'vue-router'
import { useAuthStore } from '@/stores/auth'
import HomeView from '../views/HomeView.vue'
import LoginView from '../views/LoginView.vue'
import ProfileView from '../views/ProfileView.vue'

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    {
      path: '/',
      name: 'home',
      component: HomeView,
      meta: { requiresAuth: true },
    },
    {
      path: '/login',
      name: 'login',
      component: LoginView,
      meta: { requiresAuth: false },
    },
    {
      path: '/profile',
      name: 'profile',
      component: ProfileView,
      meta: { requiresAuth: true },
    },
    {
      path: '/:pathMatch(.*)*',
      redirect: '/',
    },
  ],
})

// 路由守卫
router.beforeEach(async (to, from, next) => {
  const authStore = useAuthStore()
  const isAuthed = authStore.isAuthenticated

  if (to.meta.requiresAuth && !isAuthed) {
    next('/login')
    return
  }

  // 对受保护页面，若即将过期，尝试静默刷新一次（不强制等待，可选：等待）
  if (to.meta.requiresAuth && authStore.isAccessTokenExpiringSoon && authStore.isAccessTokenExpiringSoon()) {
    try {
      await authStore.refreshAccessToken()
    } catch {
      next('/login')
      return
    }
  }

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

  next()
})

export default router