#include "UsctStateManager.h"

#include "event/EventCenter.h"

UsctStateManager* UsctStateManager::getInstance()
{
    static UsctStateManager instance;
    return &instance;
}

UsctStateManager::UsctStateManager(QObject* aParent)
    : QObject (aParent)
    , mState()
{
    mState.insert(DmsState, true);
    mState.insert(DmsConnectionState, true);
    mState.insert(ReconState, true);
    mState.insert(ReconMppsState, true);
    mState.insert(ReconPacsState, true);
    mState.insert(ReconConnectionState, true);
    mState.insert(ReconEmptyScanState, true);
    mState.insert(ReconDBState, true);
}

void UsctStateManager::setState(int aStateCode, bool aState)
{
    bool stateTemp = mState[aStateCode];
    mState[aStateCode] = aState;
    if(stateTemp != aState)
    {
        bool UsctState = getUsctState();
        EventCenter::Default()->triggerEvent(UsctStateUpdated, nullptr, (QObject*)&UsctState);
    }
    mState[aStateCode] = aState;
    if(aState)
    {
        int msg =  aStateCode;
        EventCenter::Default()->triggerEvent(ErrorStateUnactive, nullptr, (QObject*)&msg);
    }
    {
        QPair<int, QString> msg(QPair<int, QString>(aStateCode, getStateErrorMessage(aStateCode)));
        EventCenter::Default()->triggerEvent(ErrorStateActive, nullptr, (QObject*)&msg);
    }
}

bool UsctStateManager::getUsctState()
{
    bool result = true;
    QMap<int, bool>::const_iterator it;
    for (it = mState.constBegin(); it != mState.constEnd(); ++it)
    {
        result = result & it.value();
    }
    return result;
}

QString UsctStateManager::getStateErrorMessage(int aStateCode)
{
    switch (aStateCode)
    {
    case DmsState : return "Dms Error";
    case DmsConnectionState : return "Dms Connection Error";
    case ReconState : return "Recon Fatal Error";
    case ReconMppsState : return "Recon Mpps Connection Error";
    case ReconPacsState : return "Recon Pacs Connection Error";
    case ReconEmptyScanState : return "Recon Empty Scan Data Error";
    case ReconDBState : return "Recon Database Connection Error";
    default: return "Unknow Error";
    }
}