import type { Metadata } from "next";
import { notFound } from "next/navigation";
import PlaceExplorer from "@/app/sted/[slug]/PlaceExplorer";
import {
  type FacilityRecord,
  enrichFacilities,
  filterFacilitiesByArea,
  getAvailablePlaceConfigs,
  getPlaceConfigFromSlug,
} from "@/app/facilityData";
import { API_URL } from "@/config/constants";
import {
  createBreadcrumbJsonLd,
  createCollectionPageJsonLd,
  createItemListJsonLd,
  createPageMetadata,
} from "@/app/seo";

export const dynamicParams = true;
export const dynamic = "force-dynamic";

export async function generateStaticParams() {
  return getAvailablePlaceConfigs().map((slug) => ({ slug }));
}

export async function generateMetadata({
  params,
}: {
  params: Promise<{ slug: string }>;
}): Promise<Metadata> {
  const { slug } = await params;
  const place = getPlaceConfigFromSlug(slug);

  if (!place) {
    return createPageMetadata({
      title: "Sted ikke funnet",
      description: "Denne stedssiden finnes ikke på TeeOff.",
      path: `/sted/${slug}`,
    });
  }

  return createPageMetadata({
    title: place.title,
    description: `${place.intro} TeeOff samler golfbaner i ${place.label} med oppdatert banestatus og baneprofiler.`,
    path: `/sted/${slug}`,
  });
}

export default async function PlacePage({ params }: { params: Promise<{ slug: string }> }) {
  const { slug } = await params;
  const place = getPlaceConfigFromSlug(slug);

  if (!place) {
    notFound();
  }

  let facilities: FacilityRecord[] = [];

  try {
    const res = await fetch(`${API_URL}/facilities`, {
      next: { revalidate: 0 },
      cache: "no-store",
    });

    if (!res.ok) {
      throw new Error(`API returnerte status ${res.status}`);
    }

    facilities = await res.json();
  } catch (error) {
    console.error("Kritisk feil ved henting av sted-data:", error);
    facilities = [];
  }

  const safeData = Array.isArray(facilities) ? facilities : [];
  const facilitiesInPlace = filterFacilitiesByArea(enrichFacilities(safeData), place.areaFilter);
  const collectionJsonLd = createCollectionPageJsonLd({
    name: place.title,
    description: place.intro,
    path: `/sted/${slug}`,
  });
  const itemListJsonLd = createItemListJsonLd({
    name: place.title,
    path: `/sted/${slug}`,
    items: facilitiesInPlace
      .filter((facility) => facility?.slug && facility?.name)
      .map((facility) => ({
        name: facility.name,
        path: `/golfbaner/${facility.slug}`,
        description: facility.description,
      })),
  });
  const breadcrumbJsonLd = createBreadcrumbJsonLd([
    { name: "Hjem", path: "/" },
    { name: "Steder", path: "/sted/norge" },
    { name: place.label, path: `/sted/${slug}` },
  ]);

  return (
    <>
      <script
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(collectionJsonLd) }}
      />
      <script
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(itemListJsonLd) }}
      />
      <script
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(breadcrumbJsonLd) }}
      />
      <main className="site-shell min-h-screen">
        <section className="mx-auto max-w-[1400px] px-4 py-8 sm:px-6 sm:py-10 lg:px-8 lg:py-12">
          <div className="max-w-4xl">
            <p className="mb-3 text-[11px] font-extrabold uppercase tracking-[0.3em] text-[#6FA786]">Steder</p>
            <h1 className="section-title text-4xl text-[#112015] sm:text-5xl lg:text-6xl">{place.title}</h1>
            <p className="mt-4 max-w-3xl text-base leading-8 text-[#617063]">{place.intro}</p>
            <div className="mt-5 flex flex-wrap gap-3">
              <span className="rounded-full bg-white px-4 py-2 text-[11px] font-extrabold uppercase tracking-[0.18em] text-[#112015] shadow-sm">
                {facilitiesInPlace.length} golfbaner
              </span>
              <span className="rounded-full bg-[#25312A] px-4 py-2 text-[11px] font-extrabold uppercase tracking-[0.18em] text-white">
                Kart og liste i samme visning
              </span>
            </div>
          </div>

          <PlaceExplorer
            facilities={safeData}
            placeLabel={place.label}
            placeAreaFilter={place.areaFilter}
            placeTitle={place.title}
          />
        </section>
      </main>
    </>
  );
}