import Dinero from 'dinero.js';
import { Currency } from './types';
import { CURRENCY_CONFIGS } from './constants';

/**
 * Format money amount for display
 *
 * @param amount Amount to format (as number or Dinero object)
 * @param currency Currency to use for formatting
 * @param locale Locale for formatting (optional, defaults to currency's default locale)
 * @returns Formatted string
 */
export const formatMoney = (
    amount: number | Dinero.Dinero,
    currency: Currency,
    locale?: string
): string => {
    const config = CURRENCY_CONFIGS[currency];
    const formatLocale = locale || config.locale;

    let numericAmount: number;
    if (typeof amount === 'number') {
        numericAmount = amount;
    } else {
        numericAmount = amount.getAmount();
    }

    return new Intl.NumberFormat(formatLocale, {
        style: 'currency',
        currency: currency,
        minimumFractionDigits: 0,
        maximumFractionDigits: 0,
    }).format(numericAmount);
};