/** Browser restrictions for the local Markdown export dialog. */

export function detectPrintRestriction(userAgent?: string): {
  restricted: boolean;
  message?: string;
} {
  const ua = typeof userAgent === "string" ? userAgent : typeof navigator !== "undefined" ? navigator.userAgent : "";
  if (/MicroMessenger/i.test(ua)) {
    return {
      restricted: true,
      message: "微信内置浏览器可能无法完整打印，请在系统浏览器中打开本页后打印。",
    };
  }
  return { restricted: false };
}