"use client";

import { type ButtonHTMLAttributes } from "react";

interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: "primary" | "secondary" | "danger" | "ghost";
  size?: "sm" | "md" | "lg";
  loading?: boolean;
}

export function Button({ variant = "primary", size = "md", loading, children, className = "", disabled, ...props }: ButtonProps) {
  const base = "inline-flex items-center justify-center font-medium rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed";
  const variants = {
    primary: "bg-blue-600 text-white hover:bg-blue-700 focus:ring-blue-500",
    secondary: "bg-gray-100 text-gray-700 hover:bg-gray-200 focus:ring-gray-400",
    danger: "bg-red-600 text-white hover:bg-red-700 focus:ring-red-500",
    ghost: "text-gray-600 hover:bg-gray-100 focus:ring-gray-400",
  };
  const sizes = {
    sm: "px-3 py-1.5 text-sm",
    md: "px-4 py-2 text-sm",
    lg: "px-6 py-3 text-base",
  };

  return (
    <button className={`${base} ${variants[variant]} ${sizes[size]} ${className}`} disabled={disabled || loading} {...props}>
      {loading && <svg className="animate-spin -ml-1 mr-2 h-4 w-4" 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" /><path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" /></svg>}
      {children}
    </button>
  );
}