import { GET_BY_ID, SET_OFF, LIST_CATEGORY_IDS } from '../../sql/posterminal.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';

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

  /**
   * Removes a category assignment from a posterminal (turns it off).
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {number} posterminalId - The id of the posterminal.
   * @param {number} categoryId - The id of the category to remove.
   * @returns {Promise<{id: number, categoryIds: Array<number>}>} The posterminal with its remaining category ids.
   * @throws {Error} If the posterminal is not found.
   *
   * @example
   * const result = await store.posterminal.setOff(42, 5, 9);
   * // => { id, categoryIds: [...] }
   */
  return async (googleAuthId, posterminalId, categoryId) => {
    if (!Number.isFinite(posterminalId) || !Number.isFinite(categoryId)) {
      throw new Error('Invalid posterminal or category');
    }

    const { companyId } = await access(googleAuthId);

    const existing = await pool
      .request()
      .input('id', posterminalId)
      .query(GET_BY_ID);

    if (!existing.recordset[0] || existing.recordset[0].companyId !== companyId) {
      throw new Error('Posterminal not found');
    }

    await pool
      .request()
      .input('posterminalId', posterminalId)
      .input('categoryId', categoryId)
      .query(SET_OFF);

    const result = await pool
      .request()
      .input('posterminalId', posterminalId)
      .query(LIST_CATEGORY_IDS);

    return {
      id: posterminalId,
      categoryIds: result.recordset.map((r) => r.categoryId),
    };
  };
}