'use strict';

// Single source of truth for the default SAP B1 company/schema — read from
// .env (SAP_B1_COMPANY). Every service/route/page must resolve it through
// this module rather than hardcoding the company code.
const DEFAULT_COMPANY = process.env.SAP_B1_COMPANY;
if (!DEFAULT_COMPANY) {
  console.error('[companyConfig] FATAL: SAP_B1_COMPANY is not set in .env — cannot start.');
  process.exit(1);
}

const COMPANIES = {
  [DEFAULT_COMPANY]: { display: 'MIPL', short: 'MIPL' },
};

function isValid(c) { return !!COMPANIES[c]; }
function resolve(c) { return isValid(c) ? c : DEFAULT_COMPANY; }

module.exports = { COMPANIES, DEFAULT_COMPANY, isValid, resolve };