import { GET_BY_COMPANY_AND_ID as MSSQL_GET_BY_ID } from '../../providers/mssql/queries/printer.js';
import { GET_BY_COMPANY_AND_ID as SQLITE_GET_BY_ID } from '../../providers/sqlite3/queries/printer.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import makeRunner from '../runner.js';

function shape(row) {
  return {
    id: row.id,
    company_id: row.company_id ?? row.companyId,
    address: row.address,
    type: row.type,
    model: row.model ?? null,
    serial: row.serial ?? null,
    sort: row.sort,
    desc: row.desc ?? null,
  };
}

export default function getById(provider) {
  const access = resolveSelectedCompanyAccess(provider);
  const sql =
    provider?.dialect === 'sqlite3' ? SQLITE_GET_BY_ID : MSSQL_GET_BY_ID;

  /**
   * Retrieves a printer by its ID for the user's selected company.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {number} id - The printer ID.
   * @param {object} [tx] - Optional transaction to run within.
   * @returns {Promise<{id: number, company_id: number, address: string, type: string, model: string|null, serial: string|null, sort: number, desc: string|null}|undefined>}
   *
   * @example
   * const printer = await store.printer.getById(googleAuthId, 1);
   * // => { id: 1, company_id: 1, address: '192.168.1.100', type: 'esc/pos', ... }
   */
  return async (googleAuthId, id, tx) => {
    const numericId = Number(id);
    if (!Number.isInteger(numericId) || numericId <= 0) {
      return undefined;
    }

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

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

    const row = result.rows[0];
    return row ? shape(row) : undefined;
  };
}