import React from 'react';

interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: 'primary' | 'secondary' | 'outline';
  isLoading?: boolean;
}

export const Button: React.FC<ButtonProps> = ({ 
  children, 
  variant = 'primary', 
  isLoading = false, 
  className = '', 
  disabled,
  ...props 
}) => {
  const baseStyle = "inline-flex items-center justify-center px-4 py-2 border text-sm font-medium rounded-md shadow-sm focus:outline-none focus:ring-2 focus:ring-offset-2 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed";
  
  const variants = {
    primary: "border-transparent text-white bg-indigo-600 hover:bg-indigo-700 focus:ring-indigo-500",
    secondary: "border-transparent text-indigo-700 bg-indigo-100 hover:bg-indigo-200 focus:ring-indigo-500",
    outline: "border-gray-300 text-gray-700 bg-white hover:bg-gray-50 focus:ring-indigo-500"
  };

  return (
    <button
      className={`${baseStyle} ${variants[variant]} ${className}`}
      disabled={disabled || isLoading}
      {...props}
    >
      {isLoading && (
        <svg className="animate-spin -ml-1 mr-2 h-4 w-4 text-current" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
          <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
          <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
        </svg>
      )}
      {children}
    </button>
  );
};