import { notFound } from 'next/navigation';
import { loadContent } from '@/lib/content/load';
import { loadPost } from '@/lib/content/posts-store';
import { BlogArticle } from '@/components/blog/BlogArticle';

// Live content: bodies and card meta both come from the CMS-merged tree, so
// admin edits show immediately. (No generateStaticParams — render on demand.)
export const dynamic = 'force-dynamic';

type Params = { slug: string };

export function generateMetadata({ params }: { params: Params }) {
  const { en } = loadContent();
  const post = en.blog.items.find((p) => p.slug === params.slug);
  if (!post) return {};
  return {
    title: post.title,
    description: post.excerpt,
    openGraph: { title: post.title, description: post.excerpt, type: 'article' },
    alternates: {
      canonical: `/blog/${post.slug}`,
      languages: {
        'fa-IR': `/blog/${post.slug}`,
        'en-US': `/blog/${post.slug}`,
      },
    },
  };
}

export default function BlogPostPage({ params }: { params: Params }) {
  const content = loadPost(params.slug);
  const { en: enContent, fa: faContent } = loadContent();
  const en = enContent.blog.items.find((p) => p.slug === params.slug);
  const fa = faContent.blog.items.find((p) => p.slug === params.slug);
  if (!content || !en || !fa) notFound();

  return (
    <BlogArticle
      content={content}
      meta={{
        en: { title: en.title, category: en.category, readTime: en.readTime },
        fa: { title: fa.title, category: fa.category, readTime: fa.readTime },
      }}
    />
  );
}