import { notFound } from "next/navigation";
import type { Metadata } from "next";
import { getProductBySlug } from "@/services/product.service";
import { getPreviewOrFallback } from "@/services/preview.service";
import { BlockRenderer } from "@/blocks/BlockRenderer";
import type { ProductPageDetail } from "@/types/wagtail";

interface ProductDetailPageProps {
  params: Promise<{ slug: string }>;
}

export async function generateMetadata({
  params,
}: ProductDetailPageProps): Promise<Metadata> {
  const { slug } = await params;
  const product = await getProductBySlug(slug).catch(() => null);
  return { title: product?.title ?? "产品未找到" };
}

export default async function ProductDetailPage({
  params,
}: ProductDetailPageProps) {
  const { slug } = await params;
  const product = await getPreviewOrFallback<ProductPageDetail>(
    "products.productpage",
    "body,summary",
    () => getProductBySlug(slug).catch(() => null),
  );

  if (!product) {
    notFound();
  }

  return (
    <article className="mx-auto max-w-3xl px-6 py-24">
      <h1 className="mb-4 text-4xl font-bold text-slate-900">
        {product.title}
      </h1>
      {product.summary && (
        <p className="mb-12 text-lg text-slate-600">{product.summary}</p>
      )}
      <BlockRenderer blocks={product.body} />
    </article>
  );
}