import { ReactNode, ButtonHTMLAttributes } from "react";

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

const variants = {
  primary: "bg-rose-400 hover:bg-rose-500 text-white disabled:bg-gray-200 dark:disabled:bg-gray-600 disabled:text-gray-400",
  secondary: "bg-gray-100 dark:bg-gray-700 hover:bg-gray-200 dark:hover:bg-gray-600 text-gray-700 dark:text-gray-200",
  ghost: "bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 text-gray-600 dark:text-gray-400",
  danger: "bg-red-500 hover:bg-red-600 text-white",
};

const sizes = {
  sm: "px-3 py-1.5 text-xs rounded-lg",
  md: "px-4 py-2 text-sm rounded-xl",
  lg: "px-6 py-3 text-base rounded-xl",
};

export function Button({
  children,
  variant = "primary",
  size = "md",
  fullWidth = false,
  loading = false,
  className = "",
  disabled,
  ...rest
}: ButtonProps) {
  return (
    <button
      {...rest}
      disabled={disabled || loading}
      className={`
        font-medium transition-colors inline-flex items-center justify-center gap-1.5
        disabled:cursor-not-allowed
        ${variants[variant]}
        ${sizes[size]}
        ${fullWidth ? "w-full" : ""}
        ${className}
      `}
    >
      {loading ? (
        <span className="flex gap-0.5">
          <span className="w-1.5 h-1.5 bg-current rounded-full animate-bounce" style={{ animationDelay: "0ms" }} />
          <span className="w-1.5 h-1.5 bg-current rounded-full animate-bounce" style={{ animationDelay: "150ms" }} />
          <span className="w-1.5 h-1.5 bg-current rounded-full animate-bounce" style={{ animationDelay: "300ms" }} />
        </span>
      ) : children}
    </button>
  );
}