import type { ReactNode } from "react";

import styles from "./Button.module.css";

type ButtonVariant = "primary" | "secondary" | "ghost" | "gold";

type ButtonProps = {
  children: ReactNode;
  href?: string;
  variant?: ButtonVariant;
  className?: string;
  onClick?: () => void;
  type?: "button" | "submit";
};

function join(...parts: (string | undefined)[]): string {
  return parts.filter(Boolean).join(" ");
}

export function Button({
  children,
  href,
  variant = "primary",
  className,
  onClick,
  type = "button",
}: ButtonProps) {
  const cls = join(styles.button, styles[variant], className);

  if (href) {
    return (
      <a className={cls} href={href}>
        {children}
      </a>
    );
  }

  return (
    <button className={cls} type={type} onClick={onClick}>
      {children}
    </button>
  );
}