frontend/src/App.js

import React from 'react';
import { Routes, Route, Navigate } from 'react-router-dom';
import { useAuth } from './hooks/useAuth';
import Login from './components/Auth/Login';
import Register from './components/Auth/Register';
import ChatContainer from './components/Chat/ChatContainer';
import LoadingSpinner from './components/Common/LoadingSpinner';

function App() {
  const { user, loading } = useAuth();

  if (loading) {
    return <LoadingSpinner />;
  }

  return (
    <div className="app">
      <Routes>
        <Route 
          path="/login" 
          element={!user ? <Login /> : <Navigate to="/" />} 
        />
        <Route 
          path="/register" 
          element={!user ? <Register /> : <Navigate to="/" />} 
        />
        <Route 
          path="/" 
          element={user ? <ChatContainer /> : <Navigate to="/login" />} 
        />
        <Route 
          path="/chat/:conversationId" 
          element={user ? <ChatContainer /> : <Navigate to="/login" />} 
        />
      </Routes>
    </div>
  );
}

export default App;