import { useTheme } from '../contexts/ThemeContext';

export default function ThemeToggle() {
  const { theme, toggleTheme } = useTheme();

  return (
    <button
      onClick={toggleTheme}
      className="fixed top-4 right-4 z-50 p-3 rounded-full bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 shadow-lg hover:shadow-xl transition-all duration-200 hover:scale-110"
      aria-label="Toggle theme"
    >
      {theme === 'dark' ? (
        // Sun icon for light mode
        <svg
          className="w-6 h-6 text-yellow-500"
          fill="none"
          stroke="currentColor"
          viewBox="0 0 24 24"
        >
          <path
            strokeLinecap="round"
            strokeLinejoin="round"
            strokeWidth={2}
            d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z"
          />
        </svg>
      ) : (
        // Moon icon for dark mode
        <svg
          className="w-6 h-6 text-gray-700"
          fill="none"
          stroke="currentColor"
          viewBox="0 0 24 24"
        >
          <path
            strokeLinecap="round"
            strokeLinejoin="round"
            strokeWidth={2}
            d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z"
          />
        </svg>
      )}
    </button>
  );
}
