import { DELETE_BY_COMPANY_AND_ID as MSSQL_DELETE } from '../../providers/mssql/queries/labeltemplate.js';
import { DELETE_BY_COMPANY_AND_ID as SQLITE_DELETE } from '../../providers/sqlite3/queries/labeltemplate.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import makeRunner from '../runner.js';

export default function del(provider) {
  const access = resolveSelectedCompanyAccess(provider);
  const sql =
    provider?.dialect === 'sqlite3' ? SQLITE_DELETE : MSSQL_DELETE;

  /**
   * Deletes a label template for the user's selected company.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {number} id - The label template ID to delete.
   * @param {object} [tx] - Optional transaction to run within.
   * @returns {Promise<void>}
   * @throws {Error} If template is not found.
   */
  return async (googleAuthId, id, tx) => {
    const numericId = Number(id);
    if (!Number.isInteger(numericId) || numericId <= 0) {
      throw new Error('Label template not found');
    }

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

    const result = await runner.query(sql, { id: numericId, companyId });

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