processPaymentWith3DS method

Implementation

Future<LokotroPayOnResponse> processPaymentWith3DS({
  required MastercardPaymentRequest paymentRequest,
}) async {
  if (!isInitialized) {
    return _createErrorResponse(
      'Service not initialized',
      'Please initialize the service first',
      paymentRequest.amount,
      paymentRequest.currency,
      paymentRequest.orderId,
    );
  }

  try {
    // Step 1: Initiate 3DS authentication
    final authResponse = await _backendProxy!.initiate3DSAuthentication(
      orderId: paymentRequest.orderId,
      amount: paymentRequest.amount,
      currency: paymentRequest.currency,
      userId: _currentUserId!,
      sessionToken: _currentSessionToken,
    );

    // Step 2: Handle 3DS redirect if required
    if (authResponse['requires_redirect'] == true) {
      // In a real implementation, you would show a WebView
      // For now, simulate successful authentication
      final authId = authResponse['authentication_id'] as String;

      // Wait for authentication completion
      await Future.delayed(const Duration(seconds: 2));

      // Complete authentication
      return await _backendProxy!.complete3DSAuthentication(
        authenticationId: authId,
        paRes: 'simulated_pa_res', // This would come from WebView
        userId: _currentUserId!,
        sessionToken: _currentSessionToken,
      );
    }

    // Step 3: Process payment directly if no 3DS required
    return await processPayment(paymentRequest: paymentRequest);

  } catch (e) {
    return _createErrorResponse(
      '3DS Authentication Error',
      'Failed to process 3DS payment: $e',
      paymentRequest.amount,
      paymentRequest.currency,
      paymentRequest.orderId,
    );
  }
}