import { LIST_BY_COMPANY as MSSQL_LIST_BY_COMPANY } from '../../providers/mssql/queries/unit.js';
import { LIST_BY_COMPANY as SQLITE_LIST_BY_COMPANY } from '../../providers/sqlite3/queries/unit.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import shapeUnit from './shapeUnit.js';
import makeRunner from '../runner.js';

export default function list(provider) {
  const access = resolveSelectedCompanyAccess(provider);
  const sql =
    provider?.dialect === 'sqlite3'
      ? SQLITE_LIST_BY_COMPANY
      : MSSQL_LIST_BY_COMPANY;

  /**
   * Lists the units available for the user's selected company.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {object} [tx] - Optional transaction to run within.
   * @returns {Promise<Array<{id: number, si: string, basesi: string, basesifactor: number, symbol: string, name: string}>>} The units.
   *
   * @example
   * const units = await store.unit.list(42);
   * // => [{ id, si, basesi, basesifactor, symbol, name }]
   */
  return async (googleAuthId, tx) => {
    const runner = makeRunner(provider, tx);
    const { companyId, languageId } = await access(googleAuthId, tx);

    const result = await runner.query(sql, {
      companyId,
      languageId,
    });

    return result.rows.map(shapeUnit);
  };
}