/**
 * Format price - shows decimals only if needed
 * Uses space as thousands separator (common in Paraguay)
 * Examples:
 *   45000 PYG -> "45 000 PYG" (no decimals)
 *   41.44 PYG -> "41,44 PYG" (with decimals)
 */
export function formatPrice(price: number, currency: string = 'PYG'): string {
  const hasDecimals = price % 1 !== 0;
  
  // Format the integer and decimal parts separately
  const intPart = Math.floor(Math.abs(price));
  const decPart = Math.abs(price) - intPart;
  
  // Format integer part with space as thousands separator
  const intFormatted = intPart.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
  
  // Build final string
  let result = price < 0 ? '-' : '';
  result += intFormatted;
  
  // Add decimals only if present
  if (hasDecimals) {
    const decStr = decPart.toFixed(2).substring(2); // Get just the decimal digits
    result += ',' + decStr;
  }
  
  return `${result} ${currency}`;
}

/**
 * Format currency amount (alias for formatPrice for backward compatibility)
 */
export function formatCurrency(amount: number, currency: string = 'PYG'): string {
  return formatPrice(amount, currency);
}