const MAX_EXCHANGE_AMOUNT = 1e12;

export function validateExchangeAmount(value) {
  if (value === null || value === undefined || (typeof value === 'string' && !value.trim())) return false;
  if (typeof value !== 'number' && (typeof value !== 'string' || !/^\d+(?:\.\d+)?$/.test(value.trim()))) return false;
  const amount = Number(value);
  return Number.isFinite(amount) && amount >= 0 && amount <= MAX_EXCHANGE_AMOUNT;
}

export { MAX_EXCHANGE_AMOUNT };