counter/frontend/src/components/Layout.tsx

import React, { useState } from 'react';
import { Link, useNavigate } from 'react-router-dom';
import { useAuth } from '../hooks/useAuth';
import { LogOut, User, Plus, Search } from 'lucide-react';

interface LayoutProps {
  children: React.ReactNode;
}

export const Layout: React.FC<LayoutProps> = ({ children }) => {
  const { user, isAuthenticated, logout } = useAuth();
  const navigate = useNavigate();
  const [showUserMenu, setShowUserMenu] = useState(false);

  const handleLogout = () => {
    logout();
    navigate('/login');
  };

  return (
    <div className="min-h-screen bg-gray-50">
      {/* Header */}
      <header className="bg-white shadow-sm border-b border-gray-200">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="flex justify-between items-center h-16">
            {/* Logo */}
            <Link to="/" className="flex items-center">
              <div className="text-2xl font-bold text-primary-600">Counter</div>
            </Link>

            {/* Navigation */}
            <nav className="flex items-center space-x-4">
              <Link
                to="/"
                className="text-gray-700 hover:text-primary-600 px-3 py-2 rounded-md text-sm font-medium"
              >
                Dashboard
              </Link>

              {/* User Menu */}
              <div className="relative">
                <button
                  onClick={() => setShowUserMenu(!showUserMenu)}
                  className="flex items-center space-x-2 text-gray-700 hover:text-primary-600 px-3 py-2 rounded-md text-sm font-medium"
                >
                  <User className="h-5 w-5" />
                  <span>{isAuthenticated ? user?.username : 'Anonymous'}</span>
                </button>

                {showUserMenu && (
                  <div className="absolute right-0 mt-2 w-48 bg-white rounded-md shadow-lg py-1 z-50 border border-gray-200">
                    {isAuthenticated ? (
                      <>
                        <div className="px-4 py-2 text-sm text-gray-700 border-b border-gray-200">
                          {user?.email}
                        </div>
                        <button
                          onClick={handleLogout}
                          className="flex items-center w-full px-4 py-2 text-sm text-gray-700 hover:bg-gray-100"
                        >
                          <LogOut className="h-4 w-4 mr-2" />
                          Logout
                        </button>
                      </>
                    ) : (
                      <>
                        <Link
                          to="/login"
                          className="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100"
                          onClick={() => setShowUserMenu(false)}
                        >
                          Login
                        </Link>
                        <Link
                          to="/register"
                          className="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100"
                          onClick={() => setShowUserMenu(false)}
                        >
                          Register
                        </Link>
                      </>
                    )}
                  </div>
                )}
              </div>
            </nav>
          </div>
        </div>
      </header>

      {/* Main Content */}
      <main className="max-w-7xl mx-auto py-6 px-4 sm:px-6 lg:px-8">
        {children}
      </main>
    </div>
  );
};