import type { Locale } from "./i18n/index.ts";

// SQLite timestamps may arrive as "YYYY-MM-DD HH:MM:SS" (no T/zone); normalize to UTC.
function parse(iso: string): Date {
	return new Date(iso.includes("T") ? iso : `${iso.replace(" ", "T")}Z`);
}

// Localized date + time (e.g. "5 Jan 2026, 14:03"); falls back to the raw value on parse failure.
export function formatDate(iso: string, locale: Locale): string {
	const d = parse(iso);
	if (Number.isNaN(d.getTime())) return iso;
	return d.toLocaleString(locale, {
		year: "numeric",
		month: "short",
		day: "numeric",
		hour: "2-digit",
		minute: "2-digit",
	});
}

// Localized date only (e.g. "5 Jan 2026"); falls back to the raw value on parse failure.
export function formatDay(iso: string, locale: Locale): string {
	const d = parse(iso);
	if (Number.isNaN(d.getTime())) return iso;
	return d.toLocaleDateString(locale, {
		year: "numeric",
		month: "short",
		day: "numeric",
	});
}