import Footer from "@/components/landing-page/footer";
import LandingSiteNav from "@/components/landing-page/landing-site-nav";
import NewsAndServicesHeader from "@/components/landing-page/headers-news-services";
import ContentLatest from "@/components/landing-page/content-latest";
import ContentPopular from "@/components/landing-page/content-popular";
import ContentCategory from "@/components/landing-page/category-content";
import {
  aggregateTagStats,
  fetchPublishedArticles,
  type PublicArticle,
} from "@/lib/articles-public";
import {
  NEWS_SERVICES_TAB_ORDER,
  NEWS_TAB_TO_TYPE_ID,
  type NewsServicesTab,
} from "@/constants/news-services";
import { Suspense } from "react";

function emptyByTab(): Record<NewsServicesTab, PublicArticle[]> {
  return {
    "audio-visual": [],
    audio: [],
    foto: [],
    teks: [],
  };
}

async function loadArticlesForTabs(options: {
  sortBy: string;
  sort: string;
  limit: number;
  title?: string;
}): Promise<Record<NewsServicesTab, PublicArticle[]>> {
  const out = emptyByTab();
  await Promise.all(
    NEWS_SERVICES_TAB_ORDER.map(async (tab) => {
      const typeId = NEWS_TAB_TO_TYPE_ID[tab];
      const res = await fetchPublishedArticles({
        typeId,
        limit: options.limit,
        sortBy: options.sortBy,
        sort: options.sort,
        title: options.title,
      });
      out[tab] = res?.items ?? [];
    }),
  );
  return out;
}

type PageProps = {
  searchParams?: Promise<{ q?: string }>;
};

export default async function NewsAndServicesPage({ searchParams }: PageProps) {
  const sp = searchParams ? await searchParams : {};
  const q = sp.q?.trim() || undefined;

  const [latestByTab, popularByTab, wideList] = await Promise.all([
    loadArticlesForTabs({
      sortBy: "created_at",
      sort: "desc",
      limit: 8,
      title: q,
    }),
    loadArticlesForTabs({
      sortBy: "view_count",
      sort: "desc",
      limit: 8,
      title: q,
    }),
    fetchPublishedArticles({
      limit: 100,
      page: 1,
      sortBy: "view_count",
      sort: "desc",
      title: q,
    }),
  ]);

  const featured = (wideList?.items ?? []).slice(0, 5);
  const tagStats = aggregateTagStats(wideList?.items ?? [], 8);

  return (
    <div className="relative min-h-screen bg-white">
      <LandingSiteNav
        newsHub
        searchFormAction="/news-services"
        searchDefaultValue={q ?? ""}
        searchPlaceholder="Cari berita, artikel, atau topik..."
      />
      <Suspense fallback={null}>
        <NewsAndServicesHeader
          featured={featured}
          defaultSearch={q ?? ""}
        />
      </Suspense>
      <ContentLatest articlesByTab={latestByTab} />
      <ContentPopular articlesByTab={popularByTab} />
      <ContentCategory tagStats={tagStats} />
      <Footer />
    </div>
  );
}