import type { Portfolio } from "../api/usePortfolio";

type Money = Portfolio["totalsByCurrency"][number];

export function formatDecimal(value: string): string {
	const [integer, fraction] = value.split(".");
	const sign = integer.startsWith("-") ? "-" : "";
	const grouped = (sign ? integer.slice(1) : integer).replace(
		/\B(?=(\d{3})+(?!\d))/g,
		" ",
	);
	return `${sign}${grouped}${fraction ? `,${fraction}` : ""}`;
}

export function formatMoney(money: Money | null): string {
	if (!money) return "—";
	return `${formatDecimal(money.value)} ${money.currency === "RUB" ? "₽" : money.currency}`;
}

export function formatSnapshotTime(value: string): string {
	return new Intl.DateTimeFormat("ru-RU", {
		dateStyle: "medium",
		timeStyle: "short",
		timeZone: "UTC",
	}).format(new Date(value));
}

export function portfolioErrorCode(error: unknown): string | undefined {
	return typeof error === "object" && error !== null && "code" in error
		? String(error.code)
		: undefined;
}