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

const routes: RouteRecordRaw[] = [
  {
    path: '/',
    redirect: '/dashboard'
  },
  {
    path: '/login',
    name: 'Login',
    component: () => import('@/views/auth/Login.vue'),
    meta: { requiresGuest: true }
  },
  {
    path: '/register',
    name: 'Register', 
    component: () => import('@/views/auth/Register.vue'),
    meta: { requiresGuest: true }
  },
  {
    path: '/oauth/callback',
    name: 'OAuthCallback',
    component: () => import('@/views/auth/OAuthCallback.vue')
  },
  {
    path: '/',
    component: MainLayout,
    meta: { requiresAuth: true },
    children: [
      {
        path: 'admin/basic-info',
        name: 'BasicInfo',
        redirect: '/admin/basic-info/standard',
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/basic-info/standard',
        name: 'BasicInfoStandard',
        component: () => import('@/views/basic-info/Index.vue'),
        props: { infoType: 'standard' },
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/basic-info/construction_plan',
        name: 'BasicInfoConstructionPlan',
        component: () => import('@/views/basic-info/Index.vue'),
        props: { infoType: 'construction_plan' },
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/basic-info/regulation',
        name: 'BasicInfoRegulation',
        component: () => import('@/views/basic-info/Index.vue'),
        props: { infoType: 'regulation' },
        meta: { requiresAdmin: true }
      },
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/Index.vue')
      },
      {
        path: 'profile',
        name: 'Profile',
        component: () => import('@/views/user/Profile.vue')
      },
      {
        path: 'admin',
        redirect: '/admin/dashboard'
      },
      {
        path: 'admin/dashboard',
        name: 'AdminDashboard',
        component: () => import('@/views/admin/Dashboard.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/users',
        name: 'AdminUsers',
        component: () => import('@/views/admin/Users.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/roles',
        name: 'AdminRoles',
        component: () => import('@/views/admin/Roles.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/menus',
        name: 'AdminMenus',
        component: () => import('@/views/admin/Menus.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/tasks',
        name: 'AdminTasks',
        component: () => import('@/views/admin/TaskManagement.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/permissions',
        name: 'AdminPermissions',
        component: () => import('@/views/admin/Permissions.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/apps',
        name: 'AdminApps',
        component: () => import('@/views/admin/Apps.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/logs',
        name: 'AdminLogs',
        component: () => import('@/views/admin/Logs.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/settings',
        name: 'AdminSettings',
        component: () => import('@/views/admin/Settings.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/tags',
        name: 'AdminTags',
        component: () => import('@/views/admin/Tag.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/documents',
        name: 'Documents',
        component: () => import('@/views/documents/Index.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/images',
        name: 'Images',
        component: () => import('@/views/images/Index.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/documents/kb',
        name: 'KnowledgeBase',
        component: () => import('@/views/documents/KnowledgeBase.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/documents/snippet',
        name: 'KnowledgeSnippet',
        component: () => import('@/views/documents/KnowledgeSnippet.vue'),
        meta: { requiresAdmin: true }
      },
      {
        path: 'admin/documents/search-engine',
        name: 'SearchEngine',
        component: () => import('@/views/documents/SearchEngine.vue'),
        meta: { requiresAdmin: true }
      }
    ]
  },
  {
    path: '/unauthorized',
    name: 'Unauthorized',
    component: () => import('@/views/error/403.vue')
  },
  {
    path: '/:pathMatch(.*)*',
    name: 'NotFound',
    component: () => import('@/views/error/404.vue')
  }
]

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

// 路由守卫
router.beforeEach(async (to, from, next) => {
  const authStore = useAuthStore()
  
  // 如果有token但没有用户信息，先尝试获取用户信息
  if (authStore.token && !authStore.user && !authStore.loading) {
    try {
      await authStore.checkAuth()
    } catch (error) {
      console.error('路由守卫检查认证状态失败:', error)
    }
  }
  
  // 检查是否需要认证
  if (to.meta.requiresAuth) {
    if (!authStore.isAuthenticated) {
      // 未登录，重定向到登录页
      next({
        name: 'Login',
        query: { redirect: to.fullPath }
      })
      return
    }
    
    // 检查是否需要管理员权限
    if (to.meta.requiresAdmin) {
      // For admin routes, check permissions
      if (authStore.isAdmin) {
        // Super admin or admin users can access all admin routes
        next()
        return
      } else {
        // For non-admin users, check if they have menu access to this specific path
        if (authStore.hasPathAccess(to.path)) {
          next()
          return
        } else {
          next({ name: 'Unauthorized' })
          return
        }
      }
    }
  }
  
  // 检查是否需要访客权限（已登录用户不能访问登录/注册页）
  if (to.meta.requiresGuest && authStore.isAuthenticated) {
    next({ name: 'Dashboard' })
    return
  }
  
  next()
})

export default router