kanban-app/frontend/src/components/Navbar.tsx

import { Link } from 'react-router-dom';
import { useState } from 'react';
import { useApp } from '../context/AppContext';
import { useAuth } from '../hooks/useAuth';
import { TaskboardLogo } from './TaskboardLogo';
import MenuIcon from './icons/MenuIcon';
import CloseIcon from './icons/CloseIcon';

export function Navbar() {
  const { user } = useApp();
  const { logout } = useAuth();
  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);

  return (
    <nav className="bg-gray-800 border-b border-gray-700 shadow-md">
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        <div className="flex items-center justify-between h-16">
          <div className="flex items-center">
            <Link to="/boards" className="hover:opacity-80 transition-opacity flex-shrink-0">
              <TaskboardLogo className="h-8 w-auto" />
            </Link>
            <Link
              to="/boards"
              className="text-xl font-bold text-white hover:text-blue-400 transition-colors ml-2"
            >
              Taskboard
            </Link>
            <div className="hidden md:flex items-baseline ml-10 space-x-4">
              <Link
                to="/home"
                className="text-gray-300 hover:text-white px-3 py-2 rounded-md text-sm font-medium transition-colors"
              >
                Home
              </Link>

              {user && (
                <Link
                  to="/boards"
                  className="text-gray-300 hover:text-white px-3 py-2 rounded-md text-sm font-medium transition-colors"
                >
                  Boards
                </Link>
              )}
            </div>
          </div>
          <div className="hidden md:flex items-center gap-3">
            {user ? (
              <>
                <span className="text-gray-300 px-3 py-2">{user.username}</span>
                <button
                  onClick={logout}
                  className="text-gray-300 hover:text-white px-3 py-2 rounded-md text-sm font-medium transition-colors"
                >
                  Logout
                </button>
              </>
            ) : (
              <>
                <Link
                  to="/login"
                  className="text-gray-300 hover:text-white px-3 py-2 rounded-md text-sm font-medium transition-colors"
                >
                  Login
                </Link>
                <Link
                  to="/register"
                  className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-md text-sm font-medium transition-colors"
                >
                  Register
                </Link>
              </>
            )}
          </div>
          <div className="md:hidden flex items-center">
            <button
              onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
              className="text-gray-300 hover:text-white p-2 rounded-md"
              aria-label="Toggle menu"
            >
              {mobileMenuOpen ? <CloseIcon /> : <MenuIcon />}
            </button>
          </div>
        </div>
      </div>

      {/* Mobile menu */}
      {mobileMenuOpen && (
        <div className="md:hidden bg-gray-800 border-t border-gray-700">
          <div className="px-2 pt-2 pb-3 space-y-1 sm:px-3">
            <Link
              to="/home"
              className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium"
              onClick={() => setMobileMenuOpen(false)}
            >
              Home
            </Link>

            {user && (
              <Link
                to="/boards"
                className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium"
                onClick={() => setMobileMenuOpen(false)}
              >
                Boards
              </Link>
            )}

            <div className="border-t border-gray-700 my-2"></div>

            {user ? (
              <>
                <div className="px-3 py-2 text-gray-300 text-base font-medium">{user.username}</div>
                <button
                  onClick={() => {
                    logout();
                    setMobileMenuOpen(false);
                  }}
                  className="text-gray-300 hover:text-white block w-full text-left px-3 py-2 rounded-md text-base font-medium"
                >
                  Logout
                </button>
              </>
            ) : (
              <>
                <Link
                  to="/login"
                  className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium"
                  onClick={() => setMobileMenuOpen(false)}
                >
                  Login
                </Link>
                <Link
                  to="/register"
                  className="bg-blue-600 hover:bg-blue-700 text-white block px-3 py-2 rounded-md text-base font-medium"
                  onClick={() => setMobileMenuOpen(false)}
                >
                  Register
                </Link>
              </>
            )}
          </div>
        </div>
      )}
    </nav>
  );
}