import { type ButtonHTMLAttributes } from 'react';

type Variant = 'primary' | 'secondary' | 'ghost';

interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: Variant;
  isLoading?: boolean;
}

const VARIANT_CLASSES: Record<Variant, string> = {
  primary: 'bg-blue-600 text-white hover:bg-blue-500 disabled:bg-blue-800 disabled:text-blue-400',
  secondary: 'bg-gray-700 text-gray-200 hover:bg-gray-600 disabled:opacity-50',
  ghost: 'bg-transparent text-blue-400 hover:bg-gray-700 disabled:opacity-50',
};

export function Button({
  variant = 'primary',
  isLoading = false,
  disabled,
  children,
  className = '',
  ...props
}: ButtonProps) {
  return (
    <button
      disabled={disabled ?? isLoading}
      className={`inline-flex items-center justify-center gap-2 rounded-lg px-4 py-2 text-sm font-medium transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 focus:ring-offset-gray-900 ${VARIANT_CLASSES[variant]} ${className}`}
      {...props}
    >
      {isLoading && (
        <span className="h-4 w-4 animate-spin rounded-full border-2 border-current border-t-transparent" />
      )}
      {children}
    </button>
  );
}