import { UPDATE_BY_ARTICLE_AND_LANGUAGE } from '../../sql/articletext.js';
import request from '../request.js';
import queryBySku from './queryBySku.js';
import resolveArticleBySku from './resolveArticleBySku.js';

function slugify(name) {
  return name
    .trim()
    .toLowerCase()
    .normalize('NFD')
    .replace(/\p{M}/gu, '')
    .replace(/[^a-z0-9]+/g, '-')
    .replace(/^-+|-+$/g, '');
}

export default function updateBySku(pool) {
  const resolve = resolveArticleBySku(pool);
  const load = queryBySku(pool);

  return async (googleAuthId, sku, { name }) => {
    if (!name?.trim()) {
      throw new Error('Name required');
    }

    const { articleId, languageId } = await resolve(googleAuthId, sku);

    const slug = slugify(name);
    const tx = pool.transaction();
    await tx.begin();

    try {
      const update = await request(pool, tx)
        .input('articleId', articleId)
        .input('languageId', languageId)
        .input('name', name.trim())
        .input('slug', slug)
        .query(UPDATE_BY_ARTICLE_AND_LANGUAGE);

      if (!update.rowsAffected[0]) {
        throw new Error('Article not found');
      }

      await tx.commit();

      const article = await load(articleId, languageId);
      if (!article) {
        throw new Error('Article not found');
      }

      return article;
    } catch (err) {
      try {
        await tx.rollback();
      } catch {
        // ignore
      }
      throw err;
    }
  };
}