import type { MoneyAmount, PercentOfPay } from './types';

export function percentOfPay(percent: number): PercentOfPay {
  if (!Number.isFinite(percent) || percent < 0) {
    throw new Error('Percent of pay must be a non-negative finite number.');
  }
  return { kind: 'percent_of_pay', percent };
}

export function fixedAmount(amount: string, currency: string): MoneyAmount {
  if (amount.trim() === '') {
    throw new Error('Fixed amount must be a non-empty decimal string.');
  }
  if (currency.trim() === '') {
    throw new Error('Currency must be a non-empty ISO currency code.');
  }
  return { kind: 'money_amount', amount, currency };
}