import { CREATE } from '../../providers/mssql/queries/entity.js';
import { INSERT as INSERT_HISTORY } from '../../providers/mssql/queries/entityhistory.js';
import request from '../request.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import ensureLieferantenGroup from './ensureLieferantenGroup.js';

export default function create(pool) {
  const access = resolveSelectedCompanyAccess(pool);

  /**
   * Creates a new supplier for the user's selected company, recording history.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {object} input - The supplier input.
   * @param {string} input.name - The supplier name.
   * @returns {Promise<{id: number, name: string, createdAt: string, updatedAt: string}>} The created supplier.
   * @throws {Error} If the name is empty.
   *
   * @example
   * const supplier = await store.supplier.create(42, { name: 'Acme Supplies' });
   * // => { id, name, createdAt, updatedAt }
   */
  return async (googleAuthId, { name } = {}) => {
    const cleaned = name?.trim();
    if (!cleaned) {
      throw new Error('Name required');
    }

    const { companyId, companyuserId } = await access(googleAuthId);

    const tx = pool.transaction();
    await tx.begin();

    try {
      const customergroupId = await ensureLieferantenGroup(pool, companyId, tx);

      const created = await request(pool, tx)
        .input('customergroupId', customergroupId)
        .input('firstName', null)
        .input('name', cleaned)
        .input('number', null)
        .query(CREATE);

      const row = created.recordset[0];

      await request(pool, tx)
        .input('entityId', row.id)
        .input('companyuserId', companyuserId)
        .input('text', 'Erstellt')
        .query(INSERT_HISTORY);

      await tx.commit();

      return {
        id: row.id,
        name: row.name,
        createdAt: row.createdAt,
        updatedAt: row.updatedAt,
      };
    } catch (err) {
      try {
        await tx.rollback();
      } catch {
        // ignore
      }
      throw err;
    }
  };
}