import { CREATE, GET_NEXT_SORT } from '../../sql/entitycontact.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import resolveEntityAccess from '../entity/resolveEntityAccess.js';

function shape(row) {
  return {
    id: row.id,
    entityId: row.entityId,
    contactType: row.contactType,
    contact: row.contact,
    sort: row.sort,
  };
}

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

  /**
   * Creates a new contact for an entity.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {number} entityId - The id of the entity.
   * @param {object} input - The contact input.
   * @param {string} input.contactType - The contact type (e.g. `'email'`).
   * @param {string} input.contact - The contact value.
   * @param {number} [input.sort] - Optional sort order.
   * @returns {Promise<{id: number, entityId: number, contactType: string, contact: string, sort: number}>} The created contact.
   * @throws {Error} If the contact type or value is missing.
   *
   * @example
   * const contact = await store.entitycontact.create(42, 5, { contactType: 'email', contact: 'a@b.c' });
   * // => { id, entityId, contactType, contact, sort }
   */
  return async (googleAuthId, entityId, input = {}) => {
    const contactType = input.contactType?.trim?.()
      ? input.contactType.trim()
      : null;
    const contact = input.contact?.trim?.() ? input.contact.trim() : null;
    if (!contactType || !contact) {
      throw new Error('Contact required');
    }

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

    let sort = input.sort;
    if (sort === undefined || sort === null) {
      const next = await pool
        .request()
        .input('entityId', entityId)
        .query(GET_NEXT_SORT);
      sort = next.recordset[0].sort;
    } else if (!Number.isFinite(sort)) {
      throw new Error('Invalid sort');
    }

    const result = await pool
      .request()
      .input('entityId', entityId)
      .input('contactType', contactType)
      .input('contact', contact)
      .input('sort', sort)
      .query(CREATE);

    return shape(result.recordset[0]);
  };
}