// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

#include <aws/core/Aws.h>
#include <aws/cloudtrail/CloudTrailClient.h>
#include <aws/cloudtrail/model/LookupEventsRequest.h>
#include <iostream>
#include "cloudtrail_samples.h"

/**
 * Before running this C++ code example, set up your development environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started.html
 *
 * For information on the structure of the code examples and how to build and run the examples, see
 * https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started-code-examples.html.
 *
 **/


// snippet-start:[cpp.example_code.cloudtrail.LookupEvents]
// Routine which looks up events captured by AWS CloudTrail.
/*!
  \param clientConfig: Aws client configuration.
  \return bool: Function succeeded.
*/
bool AwsDoc::CloudTrail::lookupEvents(
        const Aws::Client::ClientConfiguration &clientConfig) {
    Aws::CloudTrail::CloudTrailClient cloudtrail(clientConfig);

    Aws::String nextToken; // Used for pagination.
    Aws::Vector<Aws::CloudTrail::Model::Event> allEvents;

    Aws::CloudTrail::Model::LookupEventsRequest request;

    size_t count = 0;
    do {
        if (!nextToken.empty()) {
            request.SetNextToken(nextToken);
        }

        Aws::CloudTrail::Model::LookupEventsOutcome outcome = cloudtrail.LookupEvents(
                request);
        if (outcome.IsSuccess()) {
            const Aws::Vector<Aws::CloudTrail::Model::Event> &events = outcome.GetResult().GetEvents();
            count += events.size();
            allEvents.insert(allEvents.end(), events.begin(), events.end());
            nextToken = outcome.GetResult().GetNextToken();
        }
        else {
            std::cerr << "Error: " << outcome.GetError().GetMessage() << std::endl;
            return false;
        }
    } while (!nextToken.empty() && count <= 50); // Limit to 50 events.

    std::cout << "Found " << allEvents.size() << " event(s)." << std::endl;

    for (auto &event: allEvents) {
        std::cout << "Event name: " << event.GetEventName() << std::endl;
        std::cout << "Event source: " << event.GetEventSource() << std::endl;
        std::cout << "Event id: " << event.GetEventId() << std::endl;
        std::cout << "Resources: " << std::endl;
        for (auto &resource: event.GetResources()) {
            std::cout << "  " << resource.GetResourceName() << std::endl;
        }
    }

    return true;
}
// snippet-end:[cpp.example_code.cloudtrail.LookupEvents]
/*
*
*  main function
*
*  Usage: 'run_lookup_events'
*
*/

#ifndef TESTING_BUILD

int main(int argc, char **argv) {
    Aws::SDKOptions options;
    Aws::InitAPI(options);
    {
        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

        AwsDoc::CloudTrail::lookupEvents(clientConfig);
    }

    Aws::ShutdownAPI(options);
    return 0;
}

#endif // TESTING_BUILD