enum PaymentState {
  success,
  failed,
  cancelled,
  processing,
  unknown,
}

PaymentState paymentStateFromRaw(String? raw) {
  final trimmed = (raw ?? '').trim().toUpperCase();
  final normalized = trimmed.startsWith('PAYMENT_STATE_')
      ? trimmed.substring('PAYMENT_STATE_'.length)
      : trimmed;

  switch (normalized) {
    case 'SUCCESS':
      return PaymentState.success;
    case 'FAILED':
      return PaymentState.failed;
    case 'CANCELLED':
      return PaymentState.cancelled;
    case 'PROCESSING':
      return PaymentState.processing;
    default:
      return PaymentState.unknown;
  }
}