import type { ReactNode } from "react";

import { cn } from "@/lib/utils";

export type PageHeaderProps = {
  title: string;
  description?: ReactNode;
  /** 右侧主操作(如「创建助手」按钮) */
  action?: ReactNode;
  className?: string;
};

/** 列表/资源页统一页头:标题 + 说明 + 右侧操作,移动端纵向堆叠 */
export function PageHeader({
  title,
  description,
  action,
  className,
}: PageHeaderProps) {
  return (
    <div
      className={cn(
        "flex flex-col items-start justify-between gap-5 sm:flex-row sm:gap-6",
        className,
      )}
    >
      <div>
        <h1 className="font-display display-lg text-ink">{title}</h1>
        {description && (
          <p className="mt-3 max-w-2xl text-[15px] leading-7 text-muted-foreground">
            {description}
          </p>
        )}
      </div>

      {action && <div className="w-full shrink-0 sm:w-auto">{action}</div>}
    </div>
  );
}