import { eq } from 'drizzle-orm';
import type { PageContributor } from '@erudit-js/core/contributor';

export default defineEventHandler<Promise<PageContributor>>(async (event) => {
  const contributorId = event.context.params?.contributorId;

  if (!contributorId) {
    throw createError({
      statusCode: 400,
      message: 'Contributor ID is required!',
    });
  }

  const dbContributor = await ERUDIT.db.query.contributors.findFirst({
    where: eq(ERUDIT.db.schema.contributors.contributorId, contributorId),
  });

  if (!dbContributor) {
    throw createError({
      statusCode: 404,
      message: `Failed to find contributor with ID "${contributorId}"!`,
    });
  }

  const pageContributor: PageContributor = {
    id: dbContributor.contributorId,
  };

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

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

  if (dbContributor.links) {
    pageContributor.links = dbContributor.links;
  }

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

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

  if (dbContributor.description) {
    pageContributor.description = await ERUDIT.repository.prose.finalize(
      dbContributor.description,
    );
  }

  const contributions =
    await ERUDIT.repository.contributors.contributorContributions(
      contributorId,
    );

  if (contributions) {
    pageContributor.contributions = contributions;
  }

  return pageContributor;
});