import type { ListContributor } from '@erudit-js/core/contributor';

export default defineEventHandler<Promise<ListContributor[]>>(async () => {
  const listContributors: ListContributor[] = [];
  const dbContributors = await ERUDIT.db.query.contributors.findMany();

  for (const dbContributor of dbContributors) {
    const contributions =
      await ERUDIT.repository.contributors.countContributions(
        dbContributor.contributorId,
      );

    const listContributor: ListContributor = {
      id: dbContributor.contributorId,
    };

    if (dbContributor.displayName) {
      listContributor.displayName = dbContributor.displayName;
    }

    if (dbContributor.short) {
      listContributor.short = dbContributor.short;
    }

    if (dbContributor.avatarExtension) {
      listContributor.avatarUrl = ERUDIT.repository.contributors.avatarUrl(
        dbContributor.contributorId,
        dbContributor.avatarExtension,
      );
    }

    if (contributions > 0) {
      listContributor.contributions = contributions;
    }

    if (dbContributor.editor) {
      listContributor.editor = dbContributor.editor;
    }

    listContributors.push(listContributor);
  }

  listContributors.sort((a, b) => {
    // Sort by contributions first (desc)
    const aContributions = a.contributions ?? 0;
    const bContributions = b.contributions ?? 0;

    if (aContributions !== bContributions) {
      return bContributions - aContributions;
    }

    // Then sort alphabetically by displayName or id
    const aName = a.displayName ?? a.id;
    const bName = b.displayName ?? b.id;

    return aName.localeCompare(bName);
  });

  return listContributors;
});