import { calendarDate } from "@/shared/lib";

const DATE_PART_COUNT = 3;

type IncomePeriod = { from: string; to: string };

function formatDraftDate(value: string): string {
	const [year, month, day] = value.split("-", DATE_PART_COUNT);

	return `${day}.${month}.${year}`;
}

function parseDraftDate(value: string): null | string {
	if (!/^\d{2}\.\d{2}\.\d{4}$/.test(value))
		return null;
	const [day, month, year] = value.split(".", DATE_PART_COUNT);
	const date = `${year}-${month}-${day}`;

	return calendarDate.safeParse(date).success
		? date
		: null;
}

export {
	formatDraftDate,
	type IncomePeriod as IncomeForm,
	type IncomePeriod,
	parseDraftDate,
};