import { Routes, Route, Navigate } from 'react-router-dom'
import { AppLayout } from '@/components/layout/AppLayout'
import { Dashboard } from '@/pages/Dashboard'
import { LegalAdvisor } from '@/pages/LegalAdvisor'
import { Decisions } from '@/pages/Decisions'
import { LifeAssistant } from '@/pages/LifeAssistant'
import { EmotionCenter } from '@/pages/EmotionCenter'
import { Settings } from '@/pages/Settings'
import { KnowledgeBase } from '@/pages/KnowledgeBase'
import { Experts } from '@/pages/Experts'
import { WorkbenchPendingServices, WorkbenchPending, WorkbenchReplied, WorkbenchUsers } from '@/pages/workbench'
import { ChatHistory } from '@/pages/ChatHistory'
import { MyProfile } from '@/pages/MyProfile'
import { AdminStats, AdminAiUsage, AdminExpertActivity, AdminUsers, AdminExperts } from '@/pages/admin'
import { Placeholder } from '@/pages/Placeholder'
import { Login } from '@/pages/Login'
import { isLoggedIn, getRole, type Role } from '@/lib/auth'

/** 路由守卫:未登录跳转登录页,角色不匹配跳转各自首页 */
function ProtectedRoute({ children, allowedRoles }: { children: React.ReactNode; allowedRoles?: Role[] }) {
  if (!isLoggedIn()) {
    return <Navigate to="/login" replace />
  }
  const currentRole = getRole()
  if (allowedRoles && !allowedRoles.includes(currentRole)) {
    // 角色不匹配,跳转到各自首页
    const homeMap: Record<Role, string> = { user: '/', expert: '/workbench', admin: '/admin' }
    return <Navigate to={homeMap[currentRole]} replace />
  }
  return <>{children}</>
}

export default function App() {
  return (
    <Routes>
      <Route path="/login" element={<Login />} />
      <Route element={<AppLayout />}>
        {/* 用户页面:仅用户可访问 */}
        <Route index element={<ProtectedRoute allowedRoles={['user']}><Dashboard /></ProtectedRoute>} />
        <Route path="legal" element={<ProtectedRoute allowedRoles={['user']}><LegalAdvisor /></ProtectedRoute>} />
        <Route path="decisions" element={<ProtectedRoute allowedRoles={['user']}><Decisions /></ProtectedRoute>} />
        <Route path="life" element={<ProtectedRoute allowedRoles={['user']}><LifeAssistant /></ProtectedRoute>} />
        <Route path="emotion" element={<ProtectedRoute allowedRoles={['user']}><EmotionCenter /></ProtectedRoute>} />
        <Route path="knowledge" element={<ProtectedRoute allowedRoles={['user']}><KnowledgeBase /></ProtectedRoute>} />
        <Route path="experts" element={<ProtectedRoute allowedRoles={['user']}><Experts /></ProtectedRoute>} />
        <Route path="history" element={<ProtectedRoute allowedRoles={['user']}><ChatHistory /></ProtectedRoute>} />
        <Route path="profile" element={<ProtectedRoute allowedRoles={['user']}><MyProfile /></ProtectedRoute>} />
        <Route path="settings" element={<ProtectedRoute allowedRoles={['user']}><Settings /></ProtectedRoute>} />
        {/* 专家工作台:仅专家可访问,拆分为独立页面 */}
        <Route path="workbench" element={<ProtectedRoute allowedRoles={['expert']}><WorkbenchPendingServices /></ProtectedRoute>} />
        <Route path="workbench/pending" element={<ProtectedRoute allowedRoles={['expert']}><WorkbenchPending /></ProtectedRoute>} />
        <Route path="workbench/replied" element={<ProtectedRoute allowedRoles={['expert']}><WorkbenchReplied /></ProtectedRoute>} />
        <Route path="workbench/users" element={<ProtectedRoute allowedRoles={['expert']}><WorkbenchUsers /></ProtectedRoute>} />
        {/* 管理后台:仅管理员可访问,拆分为独立页面 */}
        <Route path="admin" element={<ProtectedRoute allowedRoles={['admin']}><AdminStats /></ProtectedRoute>} />
        <Route path="admin/ai-usage" element={<ProtectedRoute allowedRoles={['admin']}><AdminAiUsage /></ProtectedRoute>} />
        <Route path="admin/expert-activity" element={<ProtectedRoute allowedRoles={['admin']}><AdminExpertActivity /></ProtectedRoute>} />
        <Route path="admin/users" element={<ProtectedRoute allowedRoles={['admin']}><AdminUsers /></ProtectedRoute>} />
        <Route path="admin/experts" element={<ProtectedRoute allowedRoles={['admin']}><AdminExperts /></ProtectedRoute>} />
        <Route path="*" element={<Placeholder title="页面未找到" />} />
      </Route>
    </Routes>
  )
}