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#define OVM_PROPERTY_VISUALIZER_ITEGER_CC

#include "OVMPropertyVisualizerInteger.hh"
#include <ACG/Utils/ColorConversion.hh>
#include <ACG/Utils/LinearTwoColorCoder.hh>

template <typename MeshT, typename T>
OVMPropertyVisualizerInteger<MeshT,T>::OVMPropertyVisualizerInteger(MeshT* _mesh, int objectID,  PropertyInfo _propertyInfo, bool isUnsigned)
    : OVMPropertyVisualizer<MeshT>(_mesh, objectID, _propertyInfo)
{
    if (PropertyVisualizer::widget) delete PropertyVisualizer::widget;
    IntegerWidget* w = new IntegerWidget();
    w->paramInt->setTitle(QString("Integer Parameters of ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
    PropertyVisualizer::widget = w;

    if (isUnsigned)
    {
        w->intAbsolute->setChecked(false); //because we already have unsigned integers wo don't have to calculate their absolute value
        w->intAbsolute->setCheckable(false);
    }


    mNumericLimitMax = std::numeric_limits<T>::max();
    mNumericLimitMin = std::numeric_limits<T>::min();

    this->connect(w->computeHistogramButton, &QPushButton::clicked,
                  [this, w](){this->template showHistogram<T>(w->histogram);});

}

template <typename MeshT, typename T>
template <typename PropType, typename HandleIterable>
void OVMPropertyVisualizerInteger<MeshT, T>::visualizeProp(PropType prop, HandleIterable handles)
{
    if (!prop) return;

    IntegerWidget* integerWidget = static_cast<IntegerWidget*>(PropertyVisualizer::widget);

    ACG::Vec4f colorMin = ACG::to_Vec4f(integerWidget->intMin->color());

    std::map< int, ACG::Vec4f> randomColor;

    if ( integerWidget->intRandom->isChecked() && integerWidget->intMapBlack->isChecked() )
        randomColor[ integerWidget->intMapBlackValue->value() ] = ACG::Vec4f(0.0, 0.0, 0.0, 0.0);

    T min = mNumericLimitMax;
    T max = mNumericLimitMin;

    for (const auto &h: handles)
    {
        T value = prop[h];
        min = std::min( min, value);
        max = std::max( max, value);
    }

    if( integerWidget->intFixedRange->isChecked())
    {
        min = integerWidget->intFixedRangeMin->value();
        max = integerWidget->intFixedRangeMax->value();
    }
    else
    {
        integerWidget->intFixedRangeMin->setValue(min);
        integerWidget->intFixedRangeMax->setValue(max);
    }

    auto cc = integerWidget->buildColorCoder();

    unsigned int range = max - min;
    VolumeMeshObject<MeshT>* object;
    PluginFunctions::getObject(OVMPropertyVisualizer<MeshT>::mObjectID, object);

    for (const auto &h: handles)
    {
        if (range == 0)
            object->colors()[h] = colorMin;
        else {
            T value = prop[h];
            double pos = (value - min) / (double) range;
            ACG::Vec4f color;
            if ( integerWidget->intRandom->isChecked() )
            {
                // TODO: build appropriate subclass of IColorCoder for this purpose
                if ( randomColor.find( value ) == randomColor.end() )
                {
                    color = mColorGenerator.generateNextColor();
                    color[3] = 1.0;
                    randomColor[ value ] = color;
                }
                color = randomColor[ value ];
            }
            else
            {
                color = cc->color_float4(pos);
            }

            object->colors()[h] = color;
        }
    }
}
#define KOMMA ,
CALLS_TO_VISUALIZE_PROP(OVMPropertyVisualizerInteger<MeshT KOMMA T>, typename MeshT KOMMA typename T, T)
#undef KOMMA

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::duplicateProperty()
{
    OVMPropertyVisualizer<MeshT>::template duplicateProperty_stage1<T>();
}

template <typename MeshT, typename T>
QString OVMPropertyVisualizerInteger<MeshT, T>::getPropertyText(unsigned int index)
{
    return OVMPropertyVisualizer<MeshT>::template getPropertyText_<T>(index);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setCellPropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::CellPropertyT<int> prop = mesh->template request_cell_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::CellHandle ch(index);

    prop[ch] = this->strToInt(text);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setFacePropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::FacePropertyT<int> prop = mesh->template request_face_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::FaceHandle fh(index);

    prop[fh] = this->strToInt(text);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setHalffacePropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::HalfFacePropertyT<int> prop = mesh->template request_halfface_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::HalfFaceHandle hfh(index);

    prop[hfh] = this->strToInt(text);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setEdgePropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::EdgePropertyT<int> prop = mesh->template request_edge_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::EdgeHandle eh(index);

    prop[eh] = this->strToInt(text);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setHalfedgePropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::HalfEdgePropertyT<int> prop = mesh->template request_halfedge_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::HalfEdgeHandle heh(index);

    prop[heh] = this->strToInt(text);
}

template <typename MeshT, typename T>
void OVMPropertyVisualizerInteger<MeshT, T>::setVertexPropertyFromText(unsigned int index, QString text)
{
    MeshT* mesh = OVMPropertyVisualizer<MeshT>::mesh;

    OpenVolumeMesh::VertexPropertyT<int> prop = mesh->template request_vertex_property<int>(OVMPropertyVisualizer<MeshT>::propertyInfo.propName());
    if ( !prop )
    {
        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
        return;
    }

    OpenVolumeMesh::VertexHandle vh(index);

    prop[vh] = this->strToInt(text);
}

template <typename MeshT, typename T>
std::unique_ptr<ACG::IColorCoder> OVMPropertyVisualizerInteger<MeshT, T>::buildColorCoder()
{
    IntegerWidget* integerWidget = static_cast<IntegerWidget*>(PropertyVisualizer::widget);
    return integerWidget->buildColorCoder();
}