import { notFound, permanentRedirect } from "next/navigation";
import { Footer } from "@/components/Footer";
import { Header } from "@/components/Header";
import { PageHero } from "@/components/PageShared";
import { ArticleDetailView } from "@/components/ArticleDetail";
import { getBlogById } from "@/lib/meshkee";
import { pageMetadata } from "@/lib/seo";
import { blogPath, blogTitleSlug } from "@/lib/urls";

type PageProps = {
  params: Promise<{ id: string; slug: string }>;
};

export async function generateMetadata({ params }: PageProps) {
  const { id } = await params;
  const { item } = await getBlogById(id);
  if (!item) {
    return pageMetadata({
      title: "مقاله",
      description: "مقاله مورد نظر یافت نشد.",
      path: `/articles/${id}`,
      noIndex: true,
    });
  }

  const description = item.excerpt || item.title;
  return pageMetadata({
    title: item.title,
    description,
    path: blogPath(item),
    image: item.image || undefined,
  });
}

export default async function ArticleDetailPage({ params }: PageProps) {
  const { id, slug: slugParam } = await params;
  const slug = decodeURIComponent(slugParam);
  const { item } = await getBlogById(id);
  if (!item) notFound();

  const canonicalSlug = blogTitleSlug(item);
  if (slug !== canonicalSlug) {
    permanentRedirect(blogPath(item));
  }

  return (
    <>
      <Header />
      <main>
        <PageHero
          title={item.title}
          titleEn="ARTICLE"
          breadcrumb={[
            { label: "صفحه اصلی", href: "/" },
            { label: "مقالات", href: "/articles" },
            { label: item.title, href: blogPath(item) },
          ]}
        />
        <ArticleDetailView item={item} />
      </main>
      <Footer />
    </>
  );
}