import type { CollectionEntry } from 'astro:content';

type DatedEntry =
  | CollectionEntry<'stories'>
  | CollectionEntry<'briefings'>
  | CollectionEntry<'episodes'>;

export function newestFirst<T extends DatedEntry>(entries: T[]): T[] {
  return [...entries].sort(
    (a, b) => b.data.published.valueOf() - a.data.published.valueOf(),
  );
}

export function guidesByReview(
  entries: CollectionEntry<'guides'>[],
): CollectionEntry<'guides'>[] {
  return [...entries].sort(
    (a, b) => b.data.reviewed.valueOf() - a.data.reviewed.valueOf(),
  );
}

export function formatDate(date: Date): string {
  return new Intl.DateTimeFormat('en-GB', {
    day: 'numeric',
    month: 'short',
    year: 'numeric',
  }).format(date);
}