/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#pragma once

#include <AWSNativeSDKInit/AWSMemoryInterface.h>

#include <AzCore/Module/Environment.h>

#if defined(PLATFORM_SUPPORTS_AWS_NATIVE_SDK)

// The AWS Native SDK AWSAllocator triggers a warning due to accessing members of std::allocator directly.
// AWSAllocator.h(70): warning C4996: 'std::allocator<T>::pointer': warning STL4010: Various members of std::allocator are deprecated in C++17.
// Use std::allocator_traits instead of accessing these members directly.
// You can define _SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING or _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS to acknowledge that you have received this warning.
AZ_PUSH_DISABLE_WARNING(4251 4996, "-Wunknown-warning-option")
#include <aws/core/Aws.h>
AZ_POP_DISABLE_WARNING
#endif

namespace AWSNativeSDKInit
{
    // Entry point for Open 3D Engine managing the AWSNativeSDK's initialization and shutdown requirements
    // Use an AZ::Environment variable to enforce only one init and shutdown
    class InitializationManager
    {
    public:
        static const char* const initializationManagerTag;

        InitializationManager();
        ~InitializationManager();

        // Call to guarantee that the API is initialized with proper Open 3D Engine settings.
        // It's fine to call this from every module which needs to use the NativeSDK
        // Creates a static shared pointer using the AZ EnvironmentVariable system.
        // This will prevent a the AWS SDK from going through the shutdown routine until all references are gone, or
        // the AZ::EnvironmentVariable system is brought down.
        static void InitAwsApi();
        static bool IsInitialized();

        // Remove our reference
        static void Shutdown();
    private:    
        void InitializeAwsApiInternal();
        void ShutdownAwsApiInternal();

        MemoryManager m_memoryManager;

        static AZ::EnvironmentVariable<InitializationManager> s_initManager;
#if defined(PLATFORM_SUPPORTS_AWS_NATIVE_SDK)
        Aws::SDKOptions m_awsSDKOptions;
#endif
    };
}