/**
 * Converts Rial to Toman (divides by 10)
 */
export const convertRialToToman = (rialAmount: number): number => {
  return Math.round(rialAmount / 10);
};

/**
 * Formats number with comma separators (e.g., 3,000,000)
 */
export const formatNumberWithCommas = (amount: number): string => {
  return amount.toLocaleString('fa-IR'); // for Persian digits
  // Or for English digits: return amount.toLocaleString('en-US');
};

/**
 * Main function: receives amount in Rial or Toman, returns formatted with comma separators and "Toman" label
 * 
 * @param amount - input amount (in Rial or Toman)
 * @param inputIsRial - whether the input amount is in Rial (default: true)
 * @returns string - formatted amount with Toman label (e.g., "۳,۰۰۰,۰۰۰ تومان")
 */
export const formatPriceWithToman = (
  amount: number,
  inputIsRial: boolean = true
): string => {
  // If amount is in Rial, convert to Toman first
  const tomanAmount = inputIsRial ? convertRialToToman(amount) : amount;
  
  // Add comma separators
  const formatted = formatNumberWithCommas(tomanAmount);
  
  // Return with Toman label
  return `${formatted} تومان`;
};

/**
 * Simpler version: just take an amount in Toman and format it
 */
export const formatTomanPrice = (tomanAmount: number): string => {
  return `${formatNumberWithCommas(tomanAmount)} تومان`;
};