import { DELETE_BY_COMPANY_AND_ID as MSSQL_DELETE_BY_COMPANY_AND_ID } from '../../providers/mssql/queries/customergroup.js';
import { DELETE_BY_COMPANY_AND_ID as SQLITE_DELETE_BY_COMPANY_AND_ID } from '../../providers/sqlite3/queries/customergroup.js';
import { isForeignKeyConstraintError } from '../../providers/provider.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import recordObituary from '../posterminal/recordObituary.js';
import makeRunner from '../runner.js';

export default function del(provider) {
  const access = resolveSelectedCompanyAccess(provider);
  const recordObit = recordObituary(provider);
  const sql =
    provider?.dialect === 'sqlite3'
      ? SQLITE_DELETE_BY_COMPANY_AND_ID
      : MSSQL_DELETE_BY_COMPANY_AND_ID;

  /**
   * Deletes a customer group for the user's selected company by its id.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {number} id - The id of the customer group to delete.
   * @param {object} [tx] - Optional transaction to run within.
   * @returns {Promise<void>}
   * @throws {Error} If the customer group is not found.
   *
   * @example
   * await store.customergroup.delete(42, 5);
   */
  return async (googleAuthId, id, tx) => {
    if (!Number.isFinite(id)) {
      throw new Error('Customer group not found');
    }

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

    try {
      const runner = makeRunner(provider, tx);
      const result = await runner.query(sql, {
        id,
        companyId,
      });

      if (!result.rowsAffected) {
        throw new Error('Customer group not found');
      }

      await recordObit({ companyId, entityType: 'customergroup', entityId: id }, runner);
    } catch (err) {
      if (isForeignKeyConstraintError(err)) {
        throw new Error('Customer group in use');
      }
      throw err;
    }
  };
}