#include "hwengine.h"

#include <QDebug>

#include <QLibrary>

extern "C" {

RunEngine_t* flibRunEngine;

registerUIMessagesCallback_t* flibRegisterUIMessagesCallback;

flibInit_t* flibInit;

flibFree_t* flibFree;

passFlibEvent_t* flibPassFlibEvent;

}

HWEngine::HWEngine(QQmlEngine* engine, QObject* parent)

    : QObject(parent)

    , m_engine(engine)

{

    qRegisterMetaType<MessageType>("MessageType");

#ifdef Q_OS_WIN

    QLibrary hwlib("./libhwengine.dll");

#else

    QLibrary hwlib("./libhwengine.so");

#endif

    if (!hwlib.load())

        qWarning() << "Engine library not found" << hwlib.errorString();

    flibRunEngine = (RunEngine_t*)hwlib.resolve("RunEngine");

    flibRegisterUIMessagesCallback = (registerUIMessagesCallback_t*)hwlib.resolve("registerUIMessagesCallback");

    flibInit = (flibInit_t*)hwlib.resolve("flibInit");

    flibFree = (flibFree_t*)hwlib.resolve("flibFree");

    flibInit("/usr/home/unC0Rr/Sources/Hedgewars/MainRepo/share/hedgewars/Data", "/usr/home/unC0Rr/.hedgewars");

    flibRegisterUIMessagesCallback(this, &guiMessagesCallback);

}

HWEngine::~HWEngine()

{

    flibFree();

}

void HWEngine::guiMessagesCallback(void* context, MessageType mt, const char* msg, uint32_t len)

{

    HWEngine* obj = reinterpret_cast<HWEngine*>(context);

    QByteArray b = QByteArray(msg, len);

    qDebug() << "FLIPC in" << mt << " size = " << b.size();

    QMetaObject::invokeMethod(obj, "engineMessageHandler", Qt::QueuedConnection, Q_ARG(MessageType, mt), Q_ARG(QByteArray, b));

}

void HWEngine::engineMessageHandler(MessageType mt, const QByteArray& msg)

{

    switch (mt) {

    case MSG_RENDERINGPREVIEW: {

        emit previewIsRendering();

        break;

    }

    case MSG_PREVIEW: {

        emit previewImageChanged();

        break;

    }

    case MSG_PREVIEWHOGCOUNT: {

        emit previewHogCountChanged((quint8)msg.data()[0]);

        break;

    }

    }

}