import { notFound, redirect } from "next/navigation";
import { blogHref, fetchBlogBySlug } from "@/lib/blog";
import { getBlogPost } from "@/lib/data";

export const revalidate = 60;

/** Legacy `/blog/{slug}` → canonical `/blog/{id}/{titleSlug}`. */
export default async function LegacyBlogRedirect({
  params,
}: {
  params: Promise<{ slug: string }>;
}) {
  const { slug } = await params;

  const apiPost = await fetchBlogBySlug(slug);
  if (apiPost) redirect(blogHref(apiPost));

  const local = getBlogPost(slug);
  if (local) redirect(blogHref({ id: local.slug, title: local.title }));

  notFound();
}