verifyOtp method

Implementation

Future<LokotroEWalletVerifyResponse> verifyOtp({
  required String transactionId,
  required String otpCode,
}) async {
  try {
    final requestData = {
      'payment_id': transactionId,
      'otp_code': otpCode,
    };

    final response = await _httpClient.post<Map<String, dynamic>>(
      '/payments/verify-otp',
      data: requestData,
      parser: (data) => data as Map<String, dynamic>,
    );

    if (response.isSuccess && response.data != null) {
      final responseData = response.data!['data'] as Map<String, dynamic>;
      final paymentInfo = responseData['payment_info'] as Map<String, dynamic>?;

      return LokotroEWalletVerifyResponse(
        success: responseData['success'] as bool,
        status: responseData['status'] as String,
        // Support both old field names and new standardized format with payment_info
        transactionReference: responseData['transaction_reference'] as String?
            ?? paymentInfo?['reference'] as String?
            ?? paymentInfo?['identifier'] as String?,
        debitAmount: (responseData['debit_amount'] as num?)?.toDouble()
            ?? (paymentInfo?['transactional_amount'] as num?)?.toDouble(),
        walletBalance: (responseData['wallet_balance'] as num?)?.toDouble(),
        emailsSent: (responseData['emails_sent'] as List?)?.cast<String>(),
        completedAt: responseData['completed_at'] as String?
            ?? paymentInfo?['completed_at'] as String?
            ?? responseData['verified_at'] as String?,
        message: response.data!['message'] as String? ?? responseData['message'] as String? ?? '',
        paymentId: responseData['payment_id'] as String?,
        paymentInfo: paymentInfo,
      );
    } else {
      throw LokotroPayException(
        message: response.message,
        code: 'OTP_VERIFICATION_FAILED',
      );
    }
  } catch (e) {
    LokotroPayLog.m('ewallet.verify_otp.err', 'verify OTP failed (type=${e.runtimeType})');
    rethrow;
  }
}