export function formatPrice(value: number, locale: "en-US" | "fa-IR" = "fa-IR") {
  return value.toLocaleString(locale);
}

export function formatDate(value: string) {
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) return value;
  return date.toLocaleDateString("fa-IR");
}

export function discountPercent(price: number, oldPrice?: number) {
  if (!oldPrice || oldPrice <= price) return 0;
  return Math.round(((oldPrice - price) / oldPrice) * 100);
}