/*
 *
 *    Copyright (c) 2021 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 an implementation of the PlatformManager object
 *            for the stm32 platform.
 */

#include <crypto/CHIPCryptoPAL.h>
#include <platform/CommissionableDataProvider.h>
#include <platform/FreeRTOS/SystemTimeSupport.h>
#include <platform/PlatformManager.h>
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/internal/GenericPlatformManagerImpl_FreeRTOS.ipp>
#include <platform/stm32/DiagnosticDataProviderImpl.h>

namespace chip {
namespace DeviceLayer {

PlatformManagerImpl PlatformManagerImpl::sInstance;

extern "C" int mbedtls_hardware_poll(void * data, unsigned char * output, size_t len, size_t * olen);

CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
{
    System::Clock::InitClock_RealTime();
    chip::Crypto::add_entropy_source(mbedtls_hardware_poll, NULL, 16);
    ReturnErrorOnFailure(Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_InitChipStack());
    return CHIP_NO_ERROR;
}

void PlatformManagerImpl::_RunEventLoop(void)
{
    Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_RunEventLoop();
}

void PlatformManagerImpl::_Shutdown()
{
    uint64_t upTime = 0;

    if (GetDiagnosticDataProvider().GetUpTime(upTime) == CHIP_NO_ERROR)
    {
        uint32_t totalOperationalHours = 0;

        if (ConfigurationMgr().GetTotalOperationalHours(totalOperationalHours) == CHIP_NO_ERROR)
        {
            ConfigurationMgr().StoreTotalOperationalHours(totalOperationalHours + static_cast<uint32_t>(upTime / 3600));
        }
        else
        {
            ChipLogError(DeviceLayer, "Failed to get total operational hours of the Node");
        }
    }
    else
    {
        ChipLogError(DeviceLayer, "Failed to get current uptime since the Node’s last reboot");
    }

    Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_Shutdown();
}

CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapFree(uint64_t & currentHeapFree)
{

    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapUsed(uint64_t & currentHeapUsed)
{

    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark)
{

    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetTotalOperationalHours(uint32_t & totalOperationalHours)
{
    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetRebootCount(uint16_t & rebootCount)
{
    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetUpTime(uint64_t & upTime)
{
    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR PlatformManagerImpl::_GetBootReasons(uint8_t & bootReasons)
{
    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

} // namespace DeviceLayer
} // namespace chip