#include "UsctStateManager.h"

#include "event/EventCenter.h"
#include "log/LogManager.h"
#include "appvals/AppGlobalValues.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)
{
    if(aState == mState[aStateCode])
    {
        return;
    }
    mState[aStateCode] = aState;
    bool UsctState = getUsctState();
    EventCenter::Default()->triggerEvent(UsctStateUpdated, nullptr, (QObject*)&UsctState);
    if(aState)
    {
        int msg =  aStateCode;
        LOG_SYS_OPERATION(getStateErrorMessage(aStateCode) + " recovery.")
        EventCenter::Default()->triggerEvent(ErrorStateUnactive, nullptr, (QObject*)&msg);
    }
    else
    {
        QString errorMessage = getStateErrorMessage(aStateCode);
        LOG_SYS_OPERATION(errorMessage)
        QPair<int, QString> msg(QPair<int, QString>(aStateCode, errorMessage));
        EventCenter::Default()->triggerEvent(ErrorStateActive, nullptr, (QObject*)&msg);
        switch(aStateCode)
        {
            case ReconState:
            {
                QString msg = tr("Recon fatal error.");
                EventCenter::Default()->triggerEvent(GUIErrorRaise, nullptr, (QObject*)&msg);
                break;
            }
            case ReconDBState:
            {
                QString msg = tr("Recon DB error.");
                EventCenter::Default()->triggerEvent(GUIErrorRaise, nullptr, (QObject*)&msg);
                break;
            }
            default:
                break;
        }
    }
}

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";
    case ReconConnectionState : return "Recon Connection Error";
    default: return "Unknow Error";
    }
}

void UsctStateManager::updateReconState(bool aIsConnected,int aState)
{
    if(AppGlobalValues::InProcessing().toBool())
    {
        return;
    }
    setState(ReconConnectionState, aIsConnected);
    for (int i = 0; i < 5; ++i)
    {

        int mask = 1 << i;
        bool result = true;
        if (aState & mask)
        {
            result = false;
        }
        switch(i)
        {
        case ReconState: setState(ReconState, result); break;
        case ReconDBState: setState(ReconDBState, result); break;
        case ReconPacsState: setState(ReconPacsState, result); break;
        case ReconMppsState: setState(ReconMppsState, result); break;
        case ReconEmptyScanState: setState(ReconEmptyScanState, result);
           if(!mIsEmptyScanUpdateing && !result)
           {
               mIsEmptyScanUpdateing = true;
               EventCenter::Default()->triggerEvent(EmptyScanDataCorrupted, nullptr, nullptr);
           }
            break;
        default: break;
        }
    }
}

bool UsctStateManager::getState(UsctState aStateCode)
{
    return mState[aStateCode];
}

void UsctStateManager::setEmptyScanUpdateFlag(bool aIsUpdating)
{
    mIsEmptyScanUpdateing = aIsUpdating;
}