#include "DeviceManager.h"

DeviceManager *DeviceManager::m_pInstance = nullptr;
QMutex DeviceManager::m_mutex;

void DeviceManager::AddDevice(QString deviceName, Device *device)
{
    RemoveDevice(deviceName);
    m_deviceMap.insert(deviceName, device);
}

void DeviceManager::RemoveDevice(QString deviceName)
{
    if(m_deviceMap.contains(deviceName))
    {
        QMap<QString, Device *>::iterator iter = m_deviceMap.find(deviceName);
        delete iter.value();
        m_deviceMap.erase(iter);
    }
}

void DeviceManager::RemoveAllDevices()
{
    while(m_deviceMap.size() > 0)
    {
        delete m_deviceMap.begin().value();
        m_deviceMap.erase(m_deviceMap.begin());
    }
}

Device *DeviceManager::GetDevice(QString deviceName)
{
    if(m_deviceMap.contains(deviceName))
    {
        return m_deviceMap.find(deviceName).value();
    }
    return nullptr;
}

Device *DeviceManager::GetCurrDevice()
{
    QString deviceName = QString::fromStdString(m_currDeviceName);
    if(m_deviceMap.contains(deviceName))
    {
        return m_deviceMap.find(deviceName).value();
    }
    return nullptr;
}