const KILO = 1024;
const MEGA = KILO * KILO;
const GIGA = MEGA * KILO;

export default function shortenFileSize(size: number): string {
	const giga = Math.floor(size / GIGA);
	let remainder = size % GIGA;
	const mega = Math.floor(remainder / MEGA);
	remainder %= MEGA;
	const kilo = Math.floor(remainder / KILO);
	remainder %= KILO;

	if (giga > 0) return `${giga} GB`;
	if (mega > 0) return `${mega} MB`;
	if (kilo > 0) return `${kilo} kB`;
	return `${remainder} B`;
}