const DEV_SECRET = 'dev-secret';

let serviceAuthMap = null;
if (process.env.HUB_AUTH) {
  try {
    serviceAuthMap = JSON.parse(process.env.HUB_AUTH);
  } catch (e) {
    console.error('[config] Failed to parse HUB_AUTH JSON:', e.message);
    process.exit(1);
  }
} else if (process.env.NODE_ENV === 'production') {
  console.error('[config] HUB_AUTH must be set in production');
  process.exit(1);
}

function getServiceSecret(serviceId) {
  if (serviceAuthMap) {
    return serviceAuthMap[serviceId] !== undefined ? serviceAuthMap[serviceId] : null;
  }
  // Dev fallback: accept dev-secret for any service
  return DEV_SECRET;
}

module.exports = {
  PORT: parseInt(process.env.PORT, 10) || 3000,
  getServiceSecret,
};