export default defineEventHandler<Promise<IndexPage>>(async () => {
  const title =
    ERUDIT.config.indexPage?.title ||
    ERUDIT.language.phrases.default_index_title;

  const short =
    ERUDIT.config.indexPage?.short ||
    ERUDIT.language.phrases.default_index_short;

  const indexPage: IndexPage = {
    title,
    short,
  };

  const description = ERUDIT.config.indexPage?.description;

  if (description) {
    indexPage.description = description;
  }

  const topImage = ERUDIT.config.indexPage?.topImage;

  if (topImage) {
    indexPage.topImage = topImage;
  }

  const rootChildren = await ERUDIT.repository.content.children();

  if (rootChildren.length > 0) {
    indexPage.children = rootChildren;
  }

  const stats = await ERUDIT.repository.content.stats();

  if (stats) {
    indexPage.stats = stats;
  }

  const seo = ERUDIT.config.indexPage?.seo;
  if (seo) {
    indexPage.seo = seo;
  }

  {
    const dbContributors = await ERUDIT.db.query.contributors.findMany({
      columns: {
        contributorId: true,
        avatarExtension: true,
      },
    });

    if (dbContributors.length > 0) {
      indexPage.contributors = Object.fromEntries(
        dbContributors.map((contributor) => [
          contributor.contributorId,
          contributor.avatarExtension || 0,
        ]),
      );
    }
  }

  {
    const dbSponsors = await ERUDIT.db.query.sponsors.findMany({
      columns: {
        sponsorId: true,
        avatarExtension: true,
      },
    });

    if (dbSponsors.length > 0) {
      indexPage.sponsors = Object.fromEntries(
        dbSponsors.map((sponsor) => [
          sponsor.sponsorId,
          sponsor.avatarExtension || 0,
        ]),
      );
    }
  }

  return indexPage;
});