class VerifyTransactionRequest {
  const VerifyTransactionRequest({
    required this.productCode,
    required this.appStoreProductId,
    required this.transactionId,
    required this.signedTransactionInfo,
    this.appAccountToken,
  });

  final String productCode;
  final String appStoreProductId;
  final String transactionId;
  final String signedTransactionInfo;
  final String? appAccountToken;

  Map<String, dynamic> toJson() => {
        'productCode': productCode,
        'appStoreProductId': appStoreProductId,
        'transactionId': transactionId,
        'signedTransactionInfo': signedTransactionInfo,
        if (appAccountToken != null) 'appAccountToken': appAccountToken,
      };
}

enum VerifyTransactionStatus { granted, alreadyGranted }

class VerifyTransactionResponse {
  const VerifyTransactionResponse({
    required this.status,
    required this.productCode,
    required this.transactionId,
    required this.creditsAdded,
    required this.newBalance,
    required this.ledgerEventId,
  });

  final VerifyTransactionStatus status;
  final String productCode;
  final String transactionId;
  final int creditsAdded;
  final int newBalance;
  final String ledgerEventId;

  factory VerifyTransactionResponse.fromJson(Map<String, dynamic> json) {
    return VerifyTransactionResponse(
      status: json['status'] == 'already_granted'
          ? VerifyTransactionStatus.alreadyGranted
          : VerifyTransactionStatus.granted,
      productCode: json['productCode'] as String,
      transactionId: json['transactionId'] as String,
      creditsAdded: json['creditsAdded'] as int,
      newBalance: json['newBalance'] as int,
      ledgerEventId: json['ledgerEventId'] as String,
    );
  }
}