/** Strip invisible bidi / ZWNJ chars that render as tofu in embedded Arabic fonts. */
export function normalizePersianPdfText(text: string): string {
  return text
    .replace(/\u200c/g, " ")
    .replace(/[\u200e\u200f\u202a-\u202e\u2066-\u2069\ufeff]/g, "")
    .replace(/\u2014/g, "-")
    .replace(/\s+/g, " ")
    .trim();
}

export function pdfKitRtlKeyValue(
  label: string,
  value: string,
): { label: string; value: string } {
  return {
    label: normalizePersianPdfText(label),
    value: normalizePersianPdfText(value),
  };
}

export function pdfKitRtlParagraph(text: string): string {
  return normalizePersianPdfText(text);
}

export function isMostlyAscii(text: string): boolean {
  return text.length > 0 && !/[\u0600-\u06FF]/.test(text);
}