import { createRouter, createWebHashHistory, type RouteRecordRaw } from 'vue-router'
import AdminLayout from './layouts/AdminLayout.vue'
import { useAuthStore } from './stores/auth'

/**
 * 路由表。
 *
 * 系统设置与日志的接口是 admin-only，这里用 meta.requiresAdmin 兜底：
 * 直接改 hash 深链也进不去，避免 recorder/guest 触发一串 403 请求。
 */
const routes: RouteRecordRaw[] = [
  {
    path: '/login',
    name: 'login',
    component: () => import('./pages/LoginPage.vue'),
    meta: { title: '登录' },
  },
  {
    path: '/',
    component: AdminLayout,
    children: [
      { path: '', redirect: { name: 'dashboard' } },
      {
        path: 'dashboard',
        name: 'dashboard',
        component: () => import('./pages/DashboardPage.vue'),
        meta: { title: '仪表盘' },
      },
      {
        path: 'entry',
        name: 'entry',
        component: () => import('./pages/EntryPage.vue'),
        meta: { title: '成绩录入' },
      },
      {
        path: 'review',
        name: 'review',
        component: () => import('./pages/ReviewPage.vue'),
        meta: { title: '成绩审核' },
      },
      {
        path: 'records',
        name: 'records',
        component: () => import('./pages/RecordsPage.vue'),
        meta: { title: '破纪录' },
      },
      {
        path: 'adjustments',
        name: 'adjustments',
        component: () => import('./pages/AdjustmentsPage.vue'),
        meta: { title: '积分调整' },
      },
      {
        path: 'standings',
        name: 'standings',
        component: () => import('./pages/StandingsPage.vue'),
        meta: { title: '积分榜' },
      },
      {
        path: 'display',
        name: 'display',
        component: () => import('./pages/DisplayPage.vue'),
        meta: { title: '大屏控制' },
      },
      {
        path: 'base-data',
        name: 'base-data',
        component: () => import('./pages/BaseDataPage.vue'),
        meta: { title: '基础数据' },
      },
      {
        path: 'export',
        name: 'export',
        component: () => import('./pages/ExportPage.vue'),
        meta: { title: '导出' },
      },
      {
        path: 'history',
        name: 'history',
        component: () => import('./pages/HistoryPage.vue'),
        meta: { title: '变更历史' },
      },
      {
        path: 'logs',
        name: 'logs',
        component: () => import('./pages/LogsPage.vue'),
        meta: { title: '日志', requiresAdmin: true },
      },
      {
        path: 'system',
        name: 'system',
        component: () => import('./pages/SystemPage.vue'),
        meta: { title: '系统设置', requiresAdmin: true },
      },
      {
        path: 'password',
        name: 'password',
        component: () => import('./pages/ChangePasswordPage.vue'),
        meta: { title: '修改密码' },
      },
      {
        path: 'about',
        name: 'about',
        component: () => import('./pages/AboutPage.vue'),
        meta: { title: '关于' },
      },
    ],
  },
  { path: '/:pathMatch(.*)*', redirect: { name: 'dashboard' } },
]

export const router = createRouter({
  // 服务端只在 /admin 精确路径返回 admin.html（见 httpapi/server.go 静态路由），
  // 用 hash 模式才能让刷新 / 深链（#/entry?eventId=101）不落到 404。
  history: createWebHashHistory(),
  routes,
})

router.beforeEach(async (to) => {
  if (to.meta.requiresAdmin !== true) return true
  const auth = useAuthStore()
  // 刷新页面时深链先于布局层挂载，这里补一次会话探测，避免把管理员误判成访客。
  if (!auth.initialized) await auth.load()
  if (auth.user?.role === 'admin') return true
  return { name: 'dashboard' }
})

router.afterEach((to) => {
  const title = typeof to.meta.title === 'string' ? to.meta.title : ''
  document.title = title === '' ? '管理面板' : `${title} · 管理面板`
})