import React from 'react';
import { Loader2 } from 'lucide-react';

interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: 'primary' | 'secondary' | 'outline' | 'ghost' | 'danger';
  size?: 'sm' | 'md' | 'lg';
  loading?: boolean;
  icon?: React.ReactNode;
}

export const Button: React.FC<ButtonProps> = ({ 
  children, 
  variant = 'primary', 
  size = 'md', 
  loading = false, 
  icon,
  className = '',
  disabled,
  ...props 
}) => {
  const baseStyles = "font-bold rounded-xl transition-all flex items-center justify-center gap-2 active:scale-95 disabled:opacity-70 disabled:cursor-not-allowed disabled:active:scale-100";
  
  const variants = {
    primary: "bg-blue-600 text-white shadow-lg shadow-blue-500/30 hover:bg-blue-700",
    secondary: "bg-gray-900 text-white shadow-lg hover:bg-black",
    outline: "bg-white border border-gray-200 text-gray-600 hover:border-blue-300 hover:bg-blue-50 hover:text-blue-600",
    ghost: "text-gray-500 hover:bg-gray-100 hover:text-gray-900",
    danger: "bg-red-50 text-red-600 hover:bg-red-100 border border-transparent",
  };

  const sizes = {
    sm: "px-3 py-1.5 text-xs",
    md: "px-5 py-2.5 text-sm",
    lg: "px-6 py-3 text-base",
  };

  return (
    <button 
      className={`${baseStyles} ${variants[variant]} ${sizes[size]} ${className}`}
      disabled={loading || disabled}
      {...props}
    >
      {loading && <Loader2 className="animate-spin" size={size === 'sm' ? 12 : 16} />}
      {!loading && icon}
      {children}
    </button>
  );
};