import { createRouter, createWebHistory } from 'vue-router'

// 路由配置
const routes = [
  {
    path: '/',
    name: 'Home',
    component: () => import('../views/HomeView.vue'),
    meta: { requiresAuth: true }
  },
  {
    path: '/settings',
    name: 'Settings',
    component: () => import('../views/SettingsView.vue'),
    meta: { requiresAuth: true }
  },
  {
    path: '/auth',
    name: 'Auth',
    component: () => import('../views/AuthView.vue'),
    meta: { requiresAuth: false }
  },
  {
    path: '/conversations',
    name: 'Conversations',
    component: () => import('../views/ConversationView.vue'),
    meta: { requiresAuth: true }
  },
  {
    path: '/tools',
    name: 'Tools',
    component: () => import('../views/ToolsView.vue'),
    meta: { requiresAuth: true }
  },
  {
    path: '/agents',
    name: 'Agents',
    component: () => import('../views/AgentView.vue'),
    meta: { requiresAuth: true }
  },
  {
    path: '/agents/:taskId',
    name: 'AgentTask',
    component: () => import('../views/AgentView.vue'),
    meta: { requiresAuth: true }
  },
  // 首页重定向
  {
    path: '/home',
    redirect: '/'
  },
  // 404 重定向
  {
    path: '/:pathMatch(.*)*',
    redirect: '/'
  }
]

// 创建路由实例
const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes,
  scrollBehavior(to, from, savedPosition) {
    if (savedPosition) {
      return savedPosition
    } else {
      return { top: 0 }
    }
  }
})

// 路由守卫
router.beforeEach((to, from, next) => {
  const token = localStorage.getItem('access_token')
  const requiresAuth = to.matched.some(record => record.meta.requiresAuth)
  
  if (requiresAuth && !token) {
    // 需要认证但未登录，重定向到登录页
    next({ 
      name: 'Auth', 
      query: { redirect: to.fullPath } 
    })
  } else if (to.name === 'Auth' && token) {
    // 已登录访问登录页，重定向到首页
    next({ name: 'Home' })
  } else {
    next()
  }
})

export default router