/*
 *
 *    Copyright (c) 2022 Project CHIP Authors
 *    All rights reserved.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

/**
 *    @file
 *          Provides the implementation of the Device Layer Connectivity Manager class
 *          for the Open IOT SDK platform.
 */

#pragma once

#include <platform/CHIPDeviceConfig.h>

#include <platform/ConnectivityManager.h>
#include <platform/internal/GenericConnectivityManagerImpl.h>
#include <platform/internal/GenericConnectivityManagerImpl_NoBLE.h>
#include <platform/internal/GenericConnectivityManagerImpl_NoThread.h>
#include <platform/internal/GenericConnectivityManagerImpl_NoWiFi.h>
#include <platform/internal/GenericConnectivityManagerImpl_UDP.h>

#if INET_CONFIG_ENABLE_TCP_ENDPOINT
#include <platform/internal/GenericConnectivityManagerImpl_TCP.h>
#endif

namespace chip {
namespace DeviceLayer {

/**
 * Concrete implementation of the ConnectivityManager singleton object for the Open IoT SDK platform.
 */
class ConnectivityManagerImpl final : public ConnectivityManager,
                                      public Internal::GenericConnectivityManagerImpl<ConnectivityManagerImpl>,
                                      public Internal::GenericConnectivityManagerImpl_UDP<ConnectivityManagerImpl>,
#if INET_CONFIG_ENABLE_TCP_ENDPOINT
                                      public Internal::GenericConnectivityManagerImpl_TCP<ConnectivityManagerImpl>,
#endif
                                      public Internal::GenericConnectivityManagerImpl_NoWiFi<ConnectivityManagerImpl>,
                                      public Internal::GenericConnectivityManagerImpl_NoBLE<ConnectivityManagerImpl>,
                                      public Internal::GenericConnectivityManagerImpl_NoThread<ConnectivityManagerImpl>

{
    // Allow the ConnectivityManager interface class to delegate method calls to
    // the implementation methods provided by this class.
    friend class ConnectivityManager;

private:
    CHIP_ERROR _Init(void);
    void _OnPlatformEvent(const ChipDeviceEvent * event);

    friend ConnectivityManager & ConnectivityMgr(void);
    friend ConnectivityManagerImpl & ConnectivityMgrImpl(void);

    static ConnectivityManagerImpl sInstance;

public:
    CHIP_ERROR PostEvent(const ChipDeviceEvent * event, bool die);
    void AddTask(AsyncWorkFunct workFunct, intptr_t arg);
};

/**
 * Returns the public interface of the ConnectivityManager singleton object.
 *
 * chip applications should use this to access features of the ConnectivityManager object
 * that are common to all platforms.
 */
inline ConnectivityManager & ConnectivityMgr(void)
{
    return ConnectivityManagerImpl::sInstance;
}

/**
 * Returns the platform-specific implementation of the ConnectivityManager singleton object.
 *
 * chip applications can use this to gain access to features of the ConnectivityManager
 * that are specific to the Open IoT SDK platform.
 */
inline ConnectivityManagerImpl & ConnectivityMgrImpl(void)
{
    return ConnectivityManagerImpl::sInstance;
}

} // namespace DeviceLayer
} // namespace chip