/*
    Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)

    

    This software is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License (LGPL) as published by
    the Free Software Foundation, either version 2.1 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License (LGPL) for more details.

    You should have received a copy of the GNU Lesser General Public License (LGPL)
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/



#include "jkqtplotter/graphs/jkqtprange.h"
#include "jkqtplotter/jkqtpbaseplotter.h"
#include <stdlib.h>
#include <QDebug>
#include <iostream>
#include "jkqtplotter/jkqtptools.h"
#include "jkqtplotter/jkqtpimagetools.h"
#include "jkqtplotter/graphs/jkqtpimage.h"
#include "jkqtplotter/jkqtpbaseelements.h"
#include "jkqtplotter/jkqtplotter.h"
#define SmallestGreaterZeroCompare_xvsgz() if ((xvsgz>10.0*DBL_MIN)&&((smallestGreaterZero<10.0*DBL_MIN) || (xvsgz<smallestGreaterZero))) smallestGreaterZero=xvsgz;




JKQTPRangeBase::JKQTPRangeBase(JKQTBasePlotter* parent):
    JKQTPPlotElement(parent)
{
    centerColor=QColor("red");
    centerStyle=Qt::SolidLine;
    centerLineWidth=2;
    sizeMin=0;
    sizeMax=1;
    unlimitedSizeMin=true;
    unlimitedSizeMax=true;
    invertedRange=false;



    if (parent) { // get style settings from parent object
        initLineStyle(parent, parentPlotStyle, JKQTPPlotStyleType::Default);
        initFillStyle(parent, parentPlotStyle, JKQTPPlotStyleType::Default);
        centerColor=parent->getPlotStyle(parentPlotStyle).color();
    }

    rangeMin=rangeMax=0;
    rangeCenter=0;
    plotCenterLine=true;
    plotRange=true;
    plotRangeLines=true;
    fillRange=true;
}

QColor JKQTPRangeBase::getKeyLabelColor() const
{
    return centerColor;
}

void JKQTPRangeBase::setDrawCenterLineOnly()
{
    plotCenterLine=true;
    plotRange=false;
}

void JKQTPRangeBase::setColor(QColor c)
{
    setLineColor(c);
    centerColor=c;
    setFillColor(JKQTPGetDerivedColor(parent->getCurrentPlotterStyle().graphsStyle.defaultGraphStyle.fillColorDerivationMode, c));
}


void JKQTPRangeBase::setCenterColor(const QColor &__value)
{
    this->centerColor = __value;
}

QColor JKQTPRangeBase::getCenterColor() const
{
    return this->centerColor;
}

void JKQTPRangeBase::setCenterStyle(Qt::PenStyle __value)
{
    this->centerStyle = __value;
}

Qt::PenStyle JKQTPRangeBase::getCenterStyle() const
{
    return this->centerStyle;
}

void JKQTPRangeBase::setCenterLineWidth(double __value)
{
    this->centerLineWidth = __value;
}

double JKQTPRangeBase::getCenterLineWidth() const
{
    return this->centerLineWidth;
}

void JKQTPRangeBase::setRangeMin(double __value)
{
    this->rangeMin = __value;
}

double JKQTPRangeBase::getRangeMin() const
{
    return this->rangeMin;
}

void JKQTPRangeBase::setRangeMax(double __value)
{
    this->rangeMax = __value;
}

double JKQTPRangeBase::getRangeMax() const
{
    return this->rangeMax;
}

void JKQTPRangeBase::setSizeMin(double __value)
{
    this->unlimitedSizeMin=false;
    this->sizeMin = __value;
}

double JKQTPRangeBase::getSizeMin() const
{
    return this->sizeMin;
}

void JKQTPRangeBase::setSizeMax(double __value)
{
    this->unlimitedSizeMax=false;
    this->sizeMax = __value;
}

double JKQTPRangeBase::getSizeMax() const
{
    return this->sizeMax;
}

void JKQTPRangeBase::setUnlimitedSizeMin(bool __value)
{
    this->unlimitedSizeMin = __value;
}

bool JKQTPRangeBase::getUnlimitedSizeMin() const
{
    return this->unlimitedSizeMin;
}

void JKQTPRangeBase::setUnlimitedSizeMax(bool __value)
{
    this->unlimitedSizeMax = __value;
}

bool JKQTPRangeBase::getUnlimitedSizeMax() const
{
    return this->unlimitedSizeMax;
}

void JKQTPRangeBase::setRangeCenter(double __value)
{
    this->rangeCenter = __value;
}

double JKQTPRangeBase::getRangeCenter() const
{
    return this->rangeCenter;
}

void JKQTPRangeBase::setPlotCenterLine(bool __value)
{
    this->plotCenterLine = __value;
}

bool JKQTPRangeBase::getPlotCenterLine() const
{
    return this->plotCenterLine;
}

void JKQTPRangeBase::setInvertedRange(bool __value)
{
    this->invertedRange = __value;
}

bool JKQTPRangeBase::getInvertedRange() const
{
    return this->invertedRange;
}

void JKQTPRangeBase::setPlotRange(bool __value)
{
    this->plotRange = __value;
}

bool JKQTPRangeBase::getPlotRange() const
{
    return this->plotRange;
}

void JKQTPRangeBase::setFillRange(bool __value)
{
    this->fillRange = __value;
}

bool JKQTPRangeBase::getFillRange() const
{
    return this->fillRange;
}

void JKQTPRangeBase::setPlotRangeLines(bool __value)
{
    this->plotRangeLines = __value;
}

bool JKQTPRangeBase::getPlotRangeLines() const
{
    return this->plotRangeLines;
}



JKQTPHorizontalRange::JKQTPHorizontalRange(JKQTBasePlotter* parent):
    JKQTPRangeBase(parent)
{

}


JKQTPHorizontalRange::JKQTPHorizontalRange(JKQTPlotter* parent):
    JKQTPHorizontalRange(parent->getPlotter())
{

}

void JKQTPHorizontalRange::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPHorizontalRange::draw");
#endif
    double c=transformY(rangeCenter);
    double cmi=transformY(rangeMin);
    double cma=transformY(rangeMax);
    double smi=transformY(getYAxis()->getMin());
    double sma=transformY(getYAxis()->getMax());
    double mi=transformX(getXAxis()->getMin());
    double ma=transformX(getXAxis()->getMax());
    if (!unlimitedSizeMin) mi=transformX(sizeMin);
    if (!unlimitedSizeMax) ma=transformX(sizeMax);
    //std::cout<<"hor: rangeMin="<<rangeMin<<" -> "<<cmi<<std::endl;
    //std::cout<<"hor: rangeMax="<<rangeMax<<" -> "<<cma<<std::endl;
    painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
    if (plotRange && (cmi!=cma) && JKQTPIsOKFloat(mi) && JKQTPIsOKFloat(ma)) {
        QPen p=getLinePen(painter, parent);
        QPen np(Qt::NoPen);
        QBrush nb(Qt::NoBrush);
        QBrush b=getFillBrush(painter, parent);
        QRectF rect(QPointF(mi, cmi), QPointF(ma, cma));
        if (fillRange) {
            painter.setPen(np);
            painter.setBrush(b);
            if (invertedRange) {
                if (JKQTPIsOKFloat(cmi)) {
                    QRectF rectl(QPointF(mi, smi), QPointF(ma, cmi));
                    painter.drawRect(rectl);
                }
                if (JKQTPIsOKFloat(cma)) {
                    QRectF rectr(QPointF(mi, cma), QPointF(ma, sma));
                    painter.drawRect(rectr);
                }
            } else {
                if (JKQTPIsOKFloat(cmi) && JKQTPIsOKFloat(cma)) painter.drawRect(rect);
            }
        }

        //std::cout<<"hor: rangeMin.rect.top="<<rect.top()<<std::endl;
        //std::cout<<"hor: rangeMax.rect.bottom="<<rect.bottom()<<std::endl;

        if (plotRangeLines && JKQTPIsOKFloat(cmi) && JKQTPIsOKFloat(cma)) {
            painter.setPen(p);
            painter.setBrush(nb);
            painter.drawLine(rect.left(), rect.top(), rect.right(), rect.top());
            painter.drawLine(rect.left(), rect.bottom(), rect.right(), rect.bottom());
        }

    }
    if (plotCenterLine && JKQTPIsOKFloat(c) && JKQTPIsOKFloat(mi) && JKQTPIsOKFloat(ma)) {
        QPen p=painter.pen();
        p.setColor(centerColor);
        p.setStyle(centerStyle);
        p.setWidthF(qMax(JKQTPlotterDrawingTools::ABS_MIN_LINEWIDTH, parent->pt2px(painter, centerLineWidth*parent->getLineWidthMultiplier())));
        painter.setPen(p);
        painter.drawLine(QLineF(mi, c, ma, c));
    }

}

void JKQTPHorizontalRange::drawKeyMarker(JKQTPEnhancedPainter& painter, const QRectF& r) {
    QRectF rect=r;
    painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
    QPen p=getKeyLinePen(painter, rect, parent);
    QPen np(Qt::NoPen);
    QBrush nb(Qt::NoBrush);
    QBrush b=getFillBrush(painter, parent);
    rect.setWidth(rect.width()-p.widthF());
    rect.setHeight(rect.height()-p.widthF());
    rect.setX(rect.x()+p.widthF()/2.0);
    rect.setY(rect.y()+p.widthF()/2.0);
    //int y=rect.top()+rect.height()/2.0;
    if (plotRange) {
        painter.setPen(np);
        painter.setBrush(b);
        if (fillRange) painter.drawRect(rect);
        painter.setPen(p);
        painter.setBrush(nb);
        if (plotRangeLines) {
            painter.drawLine(rect.left(), rect.top(), rect.right(), rect.top());
            painter.drawLine(rect.left(), rect.bottom(), rect.right(), rect.bottom());
        }
    }

    if (plotCenterLine) {
        QPen p=painter.pen();
        p.setColor(centerColor);
        p.setStyle(centerStyle);
        painter.setPen(p);
        int y=rect.top()+rect.height()/2.0;
        painter.drawLine(rect.left(), y, rect.right(), y);
    }

}

bool JKQTPHorizontalRange::getXMinMax(double &minx, double &maxx, double &smallestGreaterZero)
{
    smallestGreaterZero=minx=maxx=0;
    return false;
}

bool JKQTPHorizontalRange::getYMinMax(double &miny, double &maxy, double &smallestGreaterZero)
{
    miny=rangeMin;
    maxy=rangeMax;
    smallestGreaterZero=0;
    if (rangeMin>0) smallestGreaterZero=rangeMin;
    return true;
}










JKQTPVerticalRange::JKQTPVerticalRange(JKQTBasePlotter* parent):
    JKQTPRangeBase(parent)
{
}

JKQTPVerticalRange::JKQTPVerticalRange(JKQTPlotter* parent):
    JKQTPVerticalRange(parent->getPlotter())
{
}

void JKQTPVerticalRange::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPVerticalRange::draw");
#endif
    double c=transformX(rangeCenter);
    double cmi=transformX(rangeMin);
    double cma=transformX(rangeMax);
    double mi=transformY(getYAxis()->getMin());
    double ma=transformY(getYAxis()->getMax());
    double smi=transformX(getXAxis()->getMin());
    double sma=transformX(getXAxis()->getMax());
    if (!unlimitedSizeMin) mi=transformY(sizeMin);
    if (!unlimitedSizeMax) ma=transformY(sizeMax);
    painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
    if (plotRange && (cmi!=cma) && JKQTPIsOKFloat(mi) && JKQTPIsOKFloat(ma)) {
        QPen p=getLinePen(painter, parent);
        QPen np(Qt::NoPen);
        QBrush nb(Qt::NoBrush);
        QBrush b=getFillBrush(painter, parent);
        QRectF rect(QPointF(cmi, mi), QPointF(cma, ma));
        if (fillRange) {
            painter.setPen(np);
            painter.setBrush(b);
            if (invertedRange) {
                if (JKQTPIsOKFloat(cmi)) {
                    QRectF rectl(QPointF(smi,mi), QPointF(cmi,ma));
                    painter.drawRect(rectl);
                }
                if (JKQTPIsOKFloat(cma)) {
                    QRectF rectr(QPointF(cma,mi), QPointF(sma,ma));
                    painter.drawRect(rectr);
                }
            } else {
                if (JKQTPIsOKFloat(cmi) && JKQTPIsOKFloat(cma)) painter.drawRect(rect);
            }
        }
        if (plotRangeLines && JKQTPIsOKFloat(cmi) && JKQTPIsOKFloat(cma)) {
            painter.setPen(p);
            painter.setBrush(nb);
            painter.drawLine(rect.left(), rect.top(), rect.left(), rect.bottom());
            painter.drawLine(rect.right(), rect.top(), rect.right(), rect.bottom());
        }

    }
    if (plotCenterLine&& JKQTPIsOKFloat(c) && JKQTPIsOKFloat(ma) && JKQTPIsOKFloat(mi)) {
        QPen p=painter.pen();
        p.setColor(centerColor);
        p.setStyle(centerStyle);
        p.setWidthF(qMax(JKQTPlotterDrawingTools::ABS_MIN_LINEWIDTH, parent->pt2px(painter, centerLineWidth*parent->getLineWidthMultiplier())));
        painter.setPen(p);
        painter.drawLine(QLineF(c, mi, c, ma));
    }

}

void JKQTPVerticalRange::drawKeyMarker(JKQTPEnhancedPainter& painter, const QRectF& r) {
    QRectF rect=r;
    painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
    QPen p=getKeyLinePen(painter, rect, parent);
    QPen np(Qt::NoPen);
    QBrush nb(Qt::NoBrush);
    QBrush b=getFillBrush(painter, parent);
    rect.setWidth(rect.width()-p.widthF());
    rect.setHeight(rect.height()-p.widthF());
    rect.setX(rect.x()+p.widthF()/2.0);
    rect.setY(rect.y()+p.widthF()/2.0);
    //int y=rect.top()+rect.height()/2.0;
    if (plotRange) {
        painter.setPen(np);
        painter.setBrush(b);
        if (fillRange) painter.drawRect(rect);
        painter.setPen(p);
        painter.setBrush(nb);
        if (plotRangeLines) {
            painter.drawLine(rect.left(), rect.top(), rect.left(), rect.bottom());
            painter.drawLine(rect.right(), rect.top(), rect.right(), rect.bottom());
        }
    }
    if (plotCenterLine) {
        QPen p=painter.pen();
        p.setColor(centerColor);
        p.setStyle(centerStyle);
        painter.setPen(p);
        int y=rect.left()+rect.width()/2.0;
        painter.drawLine(y, rect.top(), y, rect.bottom());
    }

}

bool JKQTPVerticalRange::getXMinMax(double &minx, double &maxx, double &smallestGreaterZero)
{
    minx=rangeMin;
    maxx=rangeMax;
    smallestGreaterZero=0;
    if (rangeMin>0) smallestGreaterZero=rangeMin;
    return true;
}

bool JKQTPVerticalRange::getYMinMax(double &miny, double &maxy, double &smallestGreaterZero)
{
    smallestGreaterZero=miny=maxy=0;
    return false;
}