// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

// SPDX-License-Identifier: Apache-2.0

#include <aws/core/Aws.h>

#include <aws/sns/SNSClient.h>

#include <aws/sns/model/SubscribeRequest.h>

#include <iostream>

#include "sns_samples.h"

// snippet-start:[sns.cpp.subscribe_email.code]

//! Subscribe to an Amazon Simple Notification Service (Amazon SNS) topic with delivery to an email address.

/*!

\param topicARN: An SNS topic Amazon Resource Name (ARN).

\param emailAddress: An email address.

\param clientConfiguration: AWS client configuration.

\return bool: Function succeeded.

*/

bool AwsDoc::SNS::subscribeEmail(const Aws::String &topicARN,

const Aws::String &emailAddress,

const Aws::Client::ClientConfiguration &clientConfiguration) {

Aws::SNS::SNSClient snsClient(clientConfiguration);

Aws::SNS::Model::SubscribeRequest request;

request.SetTopicArn(topicARN);

request.SetProtocol("email");

request.SetEndpoint(emailAddress);

const Aws::SNS::Model::SubscribeOutcome outcome = snsClient.Subscribe(request);

if (outcome.IsSuccess()) {

std::cout << "Subscribed successfully." << std::endl;

std::cout << "Subscription ARN '" << outcome.GetResult().GetSubscriptionArn()

<< "'." << std::endl;

}

else {

std::cerr << "Error while subscribing " << outcome.GetError().GetMessage()

<< std::endl;

}

return outcome.IsSuccess();

}

// snippet-end:[sns.cpp.subscribe_email.code]

/*

*

* main function

*

* Usage: 'run_subscribe_email <topic_arn> <email_address>'

*

* Prerequisites: An existing SNS topic and its ARN.

*

*/

#ifndef TESTING_BUILD

int main(int argc, char **argv) {

if (argc != 3) {

std::cout << "Usage: run_subscribe_email <topic_arn> <email_address>"

<< std::endl;

return 1;

}

Aws::SDKOptions options;

Aws::InitAPI(options);

{

Aws::String topicArn = argv[1];

Aws::String emailAddress = argv[2];

Aws::Client::ClientConfiguration clientConfig;

// Optional: Set to the AWS Region (overrides config file).

// clientConfig.region = "us-east-1";

AwsDoc::SNS::subscribeEmail(topicArn, emailAddress, clientConfig);

}

Aws::ShutdownAPI(options);

return 0;

}

#endif // TESTING_BUILD