import { createRouter, createWebHashHistory } from 'vue-router'
import { useAuthStore } from '../stores/auth.js'

const routes = [
  {
    path: '/login',
    name: 'Login',
    component: () => import('../views/Login.vue')
  },
  {
    path: '/',
    component: () => import('../views/Layout.vue'),
    redirect: '/datasets',
    children: [
      {
        path: 'datasets',
        name: 'DatasetList',
        meta: { title: '数据集' },
        component: () => import('../views/DatasetList.vue')
      },
      {
        path: 'datasets/:id',
        name: 'DatasetDetail',
        meta: { title: '数据集详情' },
        component: () => import('../views/DatasetDetail.vue')
      },
      {
        path: 'chat',
        name: 'Chat',
        meta: { title: '问答' },
        component: () => import('../views/Chat.vue')
      },
      {
        path: 'kg',
        name: 'KgGraph',
        meta: { title: '知识图谱' },
        component: () => import('../views/KgGraph.vue')
      },
      {
        path: 'reference-cases',
        name: 'ReferenceCase',
        meta: { title: '参考案例库' },
        component: () => import('../views/ReferenceCase.vue')
      },
      {
        path: 'cases',
        name: 'CaseList',
        meta: { title: '我的案件' },
        component: () => import('../views/CaseList.vue')
      },
      {
        path: 'cases/:id',
        name: 'CaseDetail',
        meta: { title: '案件详情' },
        component: () => import('../views/CaseDetail.vue')
      },
      {
        path: 'settings',
        name: 'Settings',
        meta: { title: '设置' },
        component: () => import('../views/Settings.vue')
      }
    ]
  }
]

const router = createRouter({
  // hash 路由：前后端合并部署后 SPA 路由与后端 API 前缀重叠，
  // history 模式刷新会命中 API 路由；hash 模式页面始终请求 /，由后端静态服务返回 index.html
  history: createWebHashHistory(),
  routes
})

router.beforeEach((to, from, next) => {
  const auth = useAuthStore()
  if (to.path !== '/login' && !auth.isLoggedIn) {
    next('/login')
    return
  }
  if (to.path === '/login' && auth.isLoggedIn) {
    next('/')
    return
  }
  next()
})

export default router