import type { PublicPage } from "@montech/shared";

export interface BlogPostSummary {
  id: string;
  slug: string;
  title: string;
  excerpt: string;
  coverUrl: string | null;
  publishedAt: string | null;
  updatedAt?: string;
}

export interface BlogPost extends BlogPostSummary {
  content: string;
  seoTitle: string | null;
  seoDesc: string | null;
  ogImage: string | null;
  canonical: string | null;
  createdAt?: string;
}

export interface GalleryItem {
  id: string;
  title: string;
  imageUrl: string;
  category: string | null;
}

export function usePageMeta(key: string) {
  return useAsyncData(`page-${key}`, () => apiFetch<PublicPage>(`/api/public/pages/${key}`).catch(() => null));
}

export function formatFaDate(value?: string | null) {
  return value ? new Date(value).toLocaleDateString("fa-IR", { year: "numeric", month: "long", day: "numeric" }) : "";
}

export function useBreadcrumbJsonLd(items: Array<{ name: string; path: string }>) {
  const siteUrl = useRuntimeConfig().public.siteUrl.replace(/\/$/, "");
  useJsonLd({
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    itemListElement: items.map((item, i) => ({
      "@type": "ListItem",
      position: i + 1,
      name: item.name,
      item: `${siteUrl}${item.path}`,
    })),
  });
}