/**
 * The blog is not a type of its own: a post is a page in the panel's "Blog"
 * category, written, translated, scheduled and reviewed like any other page,
 * and reachable by the MCP server the same way.
 *
 * That category has to exist with this slug in every language — the API
 * filters by the slug in the language asked for.
 */
import type { Locale } from './api';
import type { PublicPage } from './api.types';

export const BLOG_CATEGORY: Record<Locale, string> = {
  es: 'blog',
  en: 'blog',
  ca: 'blog',
};

export function isBlogPost(page: PublicPage, locale: Locale): boolean {
  return page.category?.slug === BLOG_CATEGORY[locale];
}

/** Newest first, whatever order they arrived in. */
export function byPublication(pages: PublicPage[]): PublicPage[] {
  return [...pages].sort((a, b) =>
    (b.published_at ?? '').localeCompare(a.published_at ?? ''),
  );
}