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

const routes: RouteRecordRaw[] = [
  // ==================== 认证页面（套用 AuthLayout）=====================
  {
    path: '/auth',
    component: () => import('@/layouts/AuthLayout.vue'),
    meta: { requiresAuth: false },
    children: [
      { path: '/login', name: 'Login', component: () => import('@/views/auth/LoginView.vue') },
      { path: '/register', name: 'Register', component: () => import('@/views/auth/RegisterView.vue') },
    ],
  },

  // ==================== 主界面（统一布局）=====================
  {
    path: '/',
    component: () => import('@/layouts/UnifiedLayout.vue'),
    meta: { requiresAuth: true },
    children: [
      // 聊天
      {
        path: 'chat',
        children: [
          {
            path: '',
            name: 'ChatList',
            components: {
              secondary: () => import('@/views/chat/ConversationListPanel.vue'),
              default: () => import('@/views/chat/ChatListView.vue'),
            },
          },
          {
            path: ':id',
            name: 'ChatRoom',
            meta: { hideSecondary: true },
            components: {
              secondary: () => import('@/views/chat/ConversationListPanel.vue'),
              default: () => import('@/views/chat/ChatRoomView.vue'),
            },
          },
        ],
      },

      // 通讯录
      {
        path: 'contacts',
        children: [
          {
            path: '',
            name: 'Contacts',
            components: {
              secondary: () => import('@/views/contacts/ContactsSidebar.vue'),
              default: () => import('@/views/contacts/ContactsView.vue'),
            },
          },
          {
            path: 'search',
            name: 'Search',
            components: {
              secondary: () => import('@/views/contacts/ContactsSidebar.vue'),
              default: () => import('@/views/contacts/SearchView.vue'),
            },
          },
        ],
      },

      // 朋友圈
      {
        path: 'moments',
        name: 'Moments',
        components: {
          secondary: () => import('@/views/moments/MomentsFeedView.vue'),
          default: () => import('@/views/moments/MomentsFeedView.vue'),
        },
      },

      // 设置
      {
        path: 'settings',
        children: [
          {
            path: '',
            redirect: '/settings/profile',
          },
          {
            path: 'profile',
            name: 'SettingsProfile',
            components: {
              secondary: () => import('@/views/settings/SettingsSidebar.vue'),
              default: () => import('@/views/settings/ProfileSettingsView.vue'),
            },
          },
          {
            path: 'account',
            name: 'SettingsAccount',
            components: {
              secondary: () => import('@/views/settings/SettingsSidebar.vue'),
              default: () => import('@/views/settings/AccountSettingsView.vue'),
            },
          },
          {
            path: 'notifications',
            name: 'SettingsNotifications',
            components: {
              secondary: () => import('@/views/settings/SettingsSidebar.vue'),
              default: () => import('@/views/settings/NotificationSettingsView.vue'),
            },
          },
          {
            path: 'about',
            name: 'SettingsAbout',
            components: {
              secondary: () => import('@/views/settings/SettingsSidebar.vue'),
              default: () => import('@/views/settings/AboutView.vue'),
            },
          },
        ],
      },

      // 根路径重定向
      { path: '', redirect: '/chat' },
      { path: 'profile', redirect: '/settings/profile' },
    ],
  },

  // ==================== 管理后台 =====================
  {
    path: '/admin/login',
    name: 'AdminLogin',
    component: () => import('@/views/admin/AdminLoginView.vue'),
    meta: { requiresAuth: false },
  },
  {
    path: '/admin',
    component: () => import('@/layouts/AdminLayout.vue'),
    meta: { requiresAuth: true },
    children: [
      { path: '', redirect: '/admin/dashboard' },
      { path: 'dashboard', name: 'AdminDashboard', component: () => import('@/views/admin/AdminDashboardView.vue') },
      { path: 'users', name: 'AdminUsers', component: () => import('@/views/admin/AdminUsersView.vue') },
      { path: 'messages', name: 'AdminMessages', component: () => import('@/views/admin/AdminMessagesView.vue') },
      { path: 'config', name: 'AdminConfig', component: () => import('@/views/admin/AdminConfigView.vue') },
    ],
  },
]

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

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

  // 首次加载时尝试恢复登录状态
  if (!authStore.isAuthenticated && localStorage.getItem('access_token')) {
    try {
      await authStore.fetchProfile()
    } catch {
      authStore.logout()
    }
  }

  const needsAuth = to.matched.some((record) => record.meta.requiresAuth)

  if (needsAuth && !authStore.isAuthenticated) {
    next({ name: 'Login', query: { redirect: to.fullPath } })
    return
  }

  next()
})

export default router