import { $T } from './localization'

function toFixed(num: number, fixed: number) {
	const re = new RegExp('^-?\\d+(?:\.\\d{0,' + (fixed || -1) + '})?');
	return num.toString().match(re)[0];
}

export function formatPrice(keys: number, metal: number, keyPrice: number, locale: string = 'en') {
	const formattedKeys = +(keys + (metal / keyPrice)).toFixed(2)

	let output: string = ''
	if(keys > 0) {
		output += (formattedKeys == 1.0 ? $T("%@ key") : $T("%@ keys")).replace('%@', formattedKeys.toLocaleString(locale))
	} else {
		output += $T("%@ ref").replace('%@', (+toFixed(metal, 2)).toLocaleString(locale))
	}

	return output;
}