#include "visualizationenlarge.h"
#include "ui_visualizationenlarge.h"


// variables for drawing the enlarged visulization view
float squareDim = 10;

int horizontalSliderValue = 50;
int horizontalSliderColorZeroValue = 0;
int manualColorZero = 0;
int manualColor = 0;
int colorScheme = 0;
int screenshotcounter = 1;

bool plotTopViewLog = false;
bool silderColorMoved = false;
bool useManualColor = false;

string workFolder;

VisualizationEnlarge::VisualizationEnlarge(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::VisualizationEnlarge)
{
    ui->setupUi(this);
    setupRunGraph(ui->customPlot);
}

VisualizationEnlarge::~VisualizationEnlarge()
{
    delete ui;
}

void VisualizationEnlarge::setSquareDimSize(float squareDimSize)
{
    squareDim = squareDimSize;
}

void VisualizationEnlarge::sethorizontalSliderValue(int value)
{
    horizontalSliderValue = value;
}

void VisualizationEnlarge::sethorizontalSliderColorZeroValue(int value)
{
    horizontalSliderColorZeroValue = value;
}


void VisualizationEnlarge::setmanualColorZero(int value)
{
    manualColorZero = value;
}

void VisualizationEnlarge::setmanualColor(int value)
{
    manualColor = value;
}

void VisualizationEnlarge::setsilderColorMoved(bool value)
{
    silderColorMoved = value;
}

void VisualizationEnlarge::setplotTopViewLog(bool value)
{
    plotTopViewLog = value;
}

void VisualizationEnlarge::setuseManualColor(bool value)
{
    useManualColor = value;
}

void VisualizationEnlarge::setColorScheme(int value)
{
    colorScheme = value;
}

void VisualizationEnlarge::setWorkFolder(string text)
{
    workFolder = text;
}


void VisualizationEnlarge::plotGraph(TH2F* data, int size, float squareDimSize)
{
    setSquareDimSize(squareDimSize);

    float entryWeight, maximumWeight;
    float pixelsum;

    QColor lightBlue = QColor (215, 237, 255);

    ui->customPlot->clearPlottables();
    ui->customPlot->plotLayout()->remove(ui->customPlot->plotLayout()->element(0,1));

    int elementCount = ui->customPlot->plotLayout()->elementCount();

    for(int i = 0; i < elementCount; i++)
    {
        if(qobject_cast<QCPLayoutGrid*>(ui->customPlot->plotLayout()->elementAt(i)))  ui->customPlot->plotLayout()->removeAt(i);
    }
    ui->customPlot->plotLayout()->simplify();

    QCPColorMap *colorMap = new QCPColorMap( ui->customPlot->xAxis,  ui->customPlot->yAxis);

    if (size == 500)  colorMap->data()->setSize(500, 500);
    if (size == 1000)  colorMap->data()->setSize(1000, 1000);
    if (size == 2000)  colorMap->data()->setSize(1000, 1000);
    if (size == 4000)  colorMap->data()->setSize(1000, 1000);
    colorMap->data()->setRange(QCPRange(-::squareDim/2./1000., ::squareDim/2./1000.), QCPRange(-::squareDim/2./1000., ::squareDim/2./1000.));

    if (plotTopViewLog) colorMap->setDataScaleType(QCPAxis::stLogarithmic);

    QCPColorScale *colorScale = new QCPColorScale(ui->customPlot);

    colorScale->setType(QCPAxis::atRight);
    colorMap->setColorScale(colorScale);
    colorScale->axis()->setLabel("Neutron Hit Density");

    colorScale->axis()->setSubTickPen(QPen(lightBlue));
    colorScale->axis()->setTickPen(QPen(lightBlue));
    colorScale->axis()->setTickLabelColor(lightBlue);
    colorScale->axis()->setLabelColor(lightBlue);

    QCPLayoutGrid *subLayout = new QCPLayoutGrid;
    ui->customPlot->plotLayout()->addElement(0, 1, subLayout);

    subLayout->setMargins(QMargins(10, 10, 10, 5));
    subLayout->addElement(0, 0, colorScale);

    ui->customPlot->plotLayout()->element(0,0)->setMaximumSize(997,997);

    float minZ = 0;

    if (plotTopViewLog) minZ = 1;

    if (true)
    {
        if (size == 500)
        {
            for (int x=0; x<500; x+=1)
            {
                for (int y=0; y<500; y+=1)
                {
                    colorMap->data()->setCell((int)x, (int)y, data->GetBinContent(x,y));
                }
            }
            entryWeight = (data->GetEntries())/(500.*500.)*4.; maximumWeight = 1.* data->GetBinContent(data->GetMaximumBin());
        }
        if (size == 1000)
        {
            for (int x=0; x<1000; x+=1)
            {
                for (int y=0; y<1000; y+=1)
                {
                    colorMap->data()->setCell((int)x, (int)y, data->GetBinContent(x,y));
                }
            }
            entryWeight = (data->GetEntries())/(1000.*1000.)*4.; maximumWeight = 1.* data->GetBinContent(data->GetMaximumBin());
        }
        if (size == 2000)
        {
            for (int x=0; x<1000; x+=1)
            {
                for (int y=0; y<1000; y+=1)
                {
                    pixelsum = 0;
                    for (int xadd=0; xadd<2; xadd+=1)
                    {
                        for (int yadd=0; yadd<2; yadd+=1)
                        {
                            pixelsum+=data->GetBinContent(2*x+xadd,2*y+yadd);
                        }
                    }
                    pixelsum = pixelsum/4.;

                    colorMap->data()->setCell((int)x, (int)y, pixelsum);
                }
            }
            entryWeight = (data->GetEntries())/(1000.*1000.)*4.; maximumWeight = 1.* data->GetBinContent(data->GetMaximumBin());
        }

        if (size == 4000)
        {
            for (int x=0; x<1000; x+=1)
            {
                for (int y=0; y<1000; y+=1)
                {
                    pixelsum = 0;
                    for (int xadd=0; xadd<4; xadd+=1)
                    {
                        for (int yadd=0; yadd<4; yadd+=1)
                        {
                            pixelsum+=data->GetBinContent(4*x+xadd,4*y+yadd);
                        }
                    }
                    pixelsum = pixelsum/16.;

                    colorMap->data()->setCell((int)x, (int)y, pixelsum);
                }
            }
            entryWeight = (data->GetEntries())/(1000.*1000.)*4.; maximumWeight = 1.* data->GetBinContent(data->GetMaximumBin());
        }
    }

    float colorscaleMax = (horizontalSliderValue*1.)/99.*maximumWeight;
    if (colorscaleMax < 1) colorscaleMax = 1;

    if (colorScheme==0) {colorMap->setGradient(QCPColorGradient::gpJet); colorScale->setGradient(QCPColorGradient::gpCold); }
    if (colorScheme==1) {colorMap->setGradient(QCPColorGradient::gpNight); colorScale->setGradient(QCPColorGradient::gpNight); }
    if (colorScheme==2) {colorMap->setGradient(QCPColorGradient::gpCold); colorScale->setGradient(QCPColorGradient::gpCold);}
    if (colorScheme==3) {colorMap->setGradient(QCPColorGradient::gpThermal); colorScale->setGradient(QCPColorGradient::gpThermal);}
    if (colorScheme==4) {colorMap->setGradient(QCPColorGradient::gpHot); colorScale->setGradient(QCPColorGradient::gpHot);}
    if (colorScheme==5) {colorMap->setGradient(QCPColorGradient::gpPolar); colorScale->setGradient(QCPColorGradient::gpPolar);}
    if (colorScheme==6) {colorMap->setGradient(QCPColorGradient::gpGrayscale); colorScale->setGradient(QCPColorGradient::gpGrayscale);}

    colorMap->setInterpolate(true);

    if (manualColorZero < minZ) { manualColorZero = minZ;}

    if (!silderColorMoved)
    {
        if (entryWeight*1.1 < 5) {colorMap->setDataRange(QCPRange(minZ,5));  colorScale->setDataRange(QCPRange(minZ,5));}
        else {colorMap->setDataRange(QCPRange(minZ,entryWeight*1.1)); colorScale->setDataRange(QCPRange(minZ,entryWeight*1.1));}
    }
    else
    {
        if (horizontalSliderColorZeroValue == 0) { colorMap->setDataRange(QCPRange( minZ , colorscaleMax ));  colorScale->setDataRange(QCPRange(minZ,colorscaleMax));}
        else { colorMap->setDataRange(QCPRange( (horizontalSliderColorZeroValue*1.)/99.*colorscaleMax , colorscaleMax ));  colorScale->setDataRange(QCPRange((horizontalSliderColorZeroValue*1.)/99.*colorscaleMax,colorscaleMax));}
    }

    if (useManualColor)
    {
        colorMap->setDataRange(QCPRange( manualColorZero,manualColor ));
        colorScale->setDataRange(QCPRange(manualColorZero,manualColor));
    }

    ui->customPlot->rescaleAxes();
    ui->customPlot->replot();
}

void VisualizationEnlarge::setupRunGraph(QCustomPlot *customPlot)
{
    //QColor lightBlue = QColor ( 234 , 246 , 255);
    QColor lightBlue = QColor ( 215 , 237 , 255);
    QColor someBlue = QColor (  0 , 88 , 156);
    customPlot->setBackground(someBlue);
    customPlot->axisRect()->setBackground(Qt::white);
    customPlot->xAxis->setTickLabelColor(lightBlue);
    customPlot->yAxis->setTickLabelColor(lightBlue);
    customPlot->xAxis->setLabelColor(lightBlue);
    customPlot->yAxis->setLabelColor(lightBlue);
    customPlot->xAxis->setBasePen(QPen(lightBlue));
    customPlot->xAxis->setSubTickPen(QPen(lightBlue));
    customPlot->yAxis->setTickPen(QPen(lightBlue));
    customPlot->yAxis->setBasePen(QPen(lightBlue));
    customPlot->yAxis->setSubTickPen(QPen(lightBlue));
    customPlot->setInteractions(QCP::iRangeDrag|QCP::iRangeZoom);

    QCPColorMap *colorMap = new QCPColorMap(customPlot->xAxis,customPlot->yAxis);
    customPlot->axisRect()->setupFullAxesBox(true);
    customPlot->xAxis->setLabel("x [m]");
    customPlot->yAxis->setLabel("y [m]");

    colorMap->data()->setSize(500, 500);
    colorMap->data()->setRange(QCPRange(-::squareDim/2./1000., ::squareDim/2./1000.), QCPRange(-::squareDim/2./1000., ::squareDim/2./1000.));

    colorMap->setGradient(QCPColorGradient::gpJet);
    colorMap->rescaleDataRange(true);
    QCPRange dataR = colorMap->dataRange(); dataR*=2;
    colorMap->setDataRange(dataR);

    QCPColorScale *colorScale = new QCPColorScale(ui->customPlot);
    ui->customPlot->plotLayout()->addElement(0, 1, colorScale);
    colorScale->setType(QCPAxis::atRight);
    colorMap->setColorScale(colorScale);
    colorScale->axis()->setLabel("Neutron Flux");

    ui->customPlot->plotLayout()->element(0,0)->setMaximumSize(997,997);

    colorScale->axis()->setSubTickPen(QPen(lightBlue));
    colorScale->axis()->setTickPen(QPen(lightBlue));
    colorScale->axis()->setTickLabelColor(lightBlue);
    colorScale->axis()->setLabelColor(lightBlue);

    colorScale->setDataRange(dataR);

    customPlot->rescaleAxes();

    customPlot->replot();
}

//void VisualizationEnlarge::setFocus(MainWindow* wF)
//{
//
//}


void VisualizationEnlarge::on_pushButtonPNG_toggled(bool checked)
{
    //originalPixmap.save(QString::fromStdString(workFolder)+fileName, format.toAscii());
}

void VisualizationEnlarge::on_pushButtonPNG_clicked()
{
    QScreen *screen = QGuiApplication::primaryScreen();

    QPixmap originalPixmap;

    originalPixmap = screen->grabWindow(ui->customPlot->winId());

    QString fileName = QString::fromStdString(workFolder)+"/neutronHitDensityExport_"+QString::number(screenshotcounter)+".png";

    if (!originalPixmap.save(fileName))
    {
            QMessageBox::warning(this, tr("Save Error"), tr("The image could not be saved to \"%1\".").arg(QDir::toNativeSeparators(fileName)));
    }
    screenshotcounter++;
}