#include "MvsSDKManager.h"
#include "MvCameraControl.h"
#include "VrError.h"

MvsSDKManager::MvsSDKManager()
    : m_refCount(0)
    , m_bSDKInitialized(false)
{
}

MvsSDKManager::~MvsSDKManager()
{
    if (m_bSDKInitialized)
    {
        MV_CC_Finalize();
        m_bSDKInitialized = false;
    }
}

MvsSDKManager& MvsSDKManager::GetInstance()
{
    static MvsSDKManager instance;
    return instance;
}

int MvsSDKManager::InitSDK()
{
    std::lock_guard<std::mutex> lock(m_mutex);

    m_refCount++;

    if (m_bSDKInitialized)
    {
        return SUCCESS;
    }

    int ret = MV_CC_Initialize();
    if (ret == MV_OK)
    {
        m_bSDKInitialized = true;
        return SUCCESS;
    }

    m_refCount--;
    return ret;
}

int MvsSDKManager::UninitSDK()
{
    std::lock_guard<std::mutex> lock(m_mutex);

    if (m_refCount > 0)
    {
        m_refCount--;
    }

    if (m_refCount == 0 && m_bSDKInitialized)
    {
        int ret = MV_CC_Finalize();
        if (ret == MV_OK)
        {
            m_bSDKInitialized = false;
            return SUCCESS;
        }
        return ret;
    }

    return SUCCESS;
}

bool MvsSDKManager::IsSDKInitialized() const
{
    return m_bSDKInitialized;
}

int MvsSDKManager::GetRefCount() const
{
    return m_refCount.load();
}