import type { Currency } from '../enums/currency';
import { LanguageUtils } from './language-utils';

export class CurrencyUtils {
	/**
	 * Converts number to currency representation
	 *
	 * @param value Number
	 * @param currency Currency symbol
	 */
	static floatToCurrency(
		value: number,
		currency: Currency | string | any,
		killZeroCents?: boolean,
	): string {
		if (currency > -1 && currency < 1000) {
			if (currency == 978) {
				currency = 'EUR';
			} else if (currency == 203) {
				currency = 'CZK';
			} else if (currency == 826) {
				currency = 'GBP';
			} else if (currency == 348) {
				currency = 'HUF';
			} else if (currency == 985) {
				currency = 'PLN';
			} else if (currency == 643) {
				currency = 'RUB';
			} else if (currency == 840) {
				currency = 'USD';
			}
		}

		return LanguageUtils.floatToCurrency(
			value,
			currency,
			killZeroCents,
		);
	}

	static getCurrencySymbol(currency: Currency | string | any) {
		// Format a sample value, then strip the numeric part so only the currency symbol/code remains.
		// We strip ALL digits, decimal/grouping separators and surrounding whitespace. `\s` already
		// matches every space variant the locale formatter emits (regular space, NBSP U+00A0 and
		// narrow NBSP U+202F). Stripping the literal "1.11"/"1,11" sample alone is not enough:
		// zero-decimal currencies (e.g. HUF) round the sample to "1", which would otherwise leak that
		// digit into the result (producing "1 Ft" instead of "Ft").
		return CurrencyUtils.floatToCurrency(1.11, currency)
			.replace(/[\d\s.,]/g, '')
			.trim();
	}
}