import getData from "@/api";
import styles from "./style.module.scss";
import EditionElement from "@/components/editionElement";
import EditionGallery from "@/components/editionGallery";
import PressBlock from "@/components/pressBlock";
import Empty from "@/components/empty";
import VideoBlock from "@/components/videoBlock";
import Fanfare from "@/components/fanfare";
export const dynamic = "force-dynamic";

export async function generateMetadata({ params }) {
  const data = await getData(`editions/${params.editionId}`, {
    populate: {
      flyer: {
        fields: ["name", "alternativeText", "caption", "url"],
      },
    },
    filters: {
      $or: [{ id: { $eq: params.editionId } }],
    },
  });
  const activeEditionData = await getData("site", {
    populate: {
      edition: {
        fields: ["id"],
      },
    },
    fields: ["author"],
  });
  const activeEdition = activeEditionData?.data?.attributes.edition.data.id;
  const edition = data.data?.attributes.publishedAt ? data : null;
  const flyer = edition?.data?.attributes.flyer.data.attributes;

  return edition
    ? {
        metadataBase: `${process.env.NEXT_PUBLIC_ORIGIN}`,
        title: edition.title,
        description: edition.description,
        alternates: {
          canonical:
            data.data.id !== activeEdition
              ? `${process.env.NEXT_PUBLIC_ORIGIN}/editions/${params.editionId}`
              : `${process.env.NEXT_PUBLIC_ORIGIN}`,
        },
        openGraph: {
          title: edition.title,
          url:
            data.data.id !== activeEdition
              ? `${process.env.NEXT_PUBLIC_ORIGIN}/editions/${params.editionId}`
              : `${process.env.NEXT_PUBLIC_ORIGIN}`,
          description: edition.description,
          images: {
            url: `${process.env.NEXT_PUBLIC_IMG_URI}${flyer.url}`,
            width: flyer.width,
            height: flyer.height,
          },
          authors: [activeEditionData.data.attributes.author],
          type: "website",
          locale: "fr_FR",
          siteName: "Le Fefan - Festival de Fanfares",
        },
      }
    : {};
}

export default async function Edition({ params }) {
  const data = await getData(`editions/${params.editionId}`, {
    populate: {
      flyer: {
        fields: ["name", "alternativeText", "caption", "url"],
      },
      gallery: {
        fields: ["name", "alternativeText", "caption", "url"],
      },
      programs: {
        fields: ["map_uri", "introduction", "description", "title", "type"],
        populate: {
          bands: {
            fields: ["name", "location"],
          },
        },
      },
      statistics: {
        fields: ["name", "value", "publishedAt"],
      },
      social_links: {
        fields: ["uri", "type"],
      },
      articles: {
        fields: ["title", "link", "excerpt", "publishedAt"],
      },
      fields: ["movie"],
    },
    filters: {
      $or: [{ id: { $eq: params.editionId } }],
    },
  });
  const edition = data.data?.attributes.publishedAt ? data : null;
  const flyer = edition?.data?.attributes.flyer.data.attributes;
  const gallery = edition?.data?.attributes.gallery.data;
  const statistics = edition?.data?.attributes.statistics.data;
  const allArticles = edition?.data?.attributes.articles.data;
  const articles = allArticles
    ? allArticles.filter((el) => el.attributes.publishedAt != null)
    : [];
  const movie = edition.data.attributes.movie
    ? edition.data.attributes.movie
    : null;
  const programs = edition?.data?.attributes?.programs?.data
    ? edition.data.attributes.programs.data
    : [];
  const program =
    programs.filter((el) => el.attributes.type === "city-wide")[0] ?? null;
  const bands = program ? program?.attributes?.bands.data : [];

  return (
    <main className={styles.main}>
      {edition ? (
        <>
          <h2>{edition.data.attributes.title}</h2>
          <h3>{edition.data.attributes.subtitle}</h3>
          <EditionElement
            flyerImg={`${process.env.NEXT_PUBLIC_IMG_URI}${flyer.url}`}
            flyerAlt={flyer.alternativeText}
            blocks={statistics.map(({ id, attributes }) => ({
              id,
              type: "stat",
              title: attributes.name,
              value: attributes.value,
            }))}
          />
          {movie && bands ? (
            <section className={styles.smallProgram}>
              {bands.length > 0 ? (
                <article className={styles.featuring}>
                  <h4>Les fanfares</h4>
                  {bands.map(({ id, attributes: attr }) => {
                    return (
                      <Fanfare
                        key={id}
                        location={attr.location}
                        name={attr.name}
                      />
                    );
                  })}
                </article>
              ) : null}
              {movie ? (
                <>
                  <VideoBlock
                    src={movie}
                    title={`Aftermovie du festival ${
                      edition.data.attributes?.title ?? ""
                    }`}
                  />
                </>
              ) : null}
            </section>
          ) : null}
          {articles.length > 0 ? (
            <>
              <h4>Ils ont parlé de nous !</h4>
              {articles.map(({ id, attributes }, index) => {
                const offset = index + (articles.length - gallery.length) / 2;
                return index < gallery.length ? (
                  <PressBlock
                    key={id}
                    left={{
                      type: "article",
                      title: attributes.title,
                      content: attributes.excerpt,
                      link: attributes.link,
                    }}
                    right={{
                      type: "image",
                      alt: gallery[index].attributes.alternativeText,
                      src: `${process.env.NEXT_PUBLIC_IMG_URI}${gallery[index].attributes.url}`,
                    }}
                  />
                ) : (
                  <PressBlock
                    key={id}
                    left={{
                      type: "article",
                      title: attributes.title,
                      content: attributes.excerpt,
                      link: attributes.link,
                    }}
                    right={
                      articles[offset]
                        ? {
                            type: "article",
                            title: articles[offset].title,
                            content: articles[offset].excerpt,
                            link: articles[offset].link,
                          }
                        : { type: null }
                    }
                  />
                );
              })}
            </>
          ) : null}
          {articles.length <= gallery.length ? (
            <>
              <h4>Les photos du Fefan</h4>
              <EditionGallery images={gallery.slice(articles.length)} />
            </>
          ) : null}
        </>
      ) : (
        <Empty message="Il n'y a aucune information pour cette édition à afficher." />
      )}
    </main>
  );
}