/************************************************************************
 **
 **  @file   vtoollinepoint.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   November 15, 2013
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
 **
 **  Valentina is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina 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 General Public License for more details.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#include "vtoollinepoint.h"

#include <QColor>
#include <QGraphicsLineItem>
#include <QLineF>
#include <QPen>
#include <QPoint>
#include <QPointF>
#include <QSharedPointer>
#include <new>

#include "../../../../vabstracttool.h"
#include "../../../vdrawtool.h"
#include "../ifc/ifcdef.h"
#include "../ifc/xml/vabstractpattern.h"
#include "../ifc/xml/vdomdocument.h"
#include "../vgeometry/vgobject.h"
#include "../vgeometry/vpointf.h"
#include "../vmisc/theme/vscenestylesheet.h"
#include "../vpatterndb/vcontainer.h"
#include "../vtoolsinglepoint.h"
#include "../vwidgets/scalesceneitems.h"

#if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
#include "../vmisc/compatibility.h"
#endif

using namespace Qt::Literals::StringLiterals;

template <class T> class QSharedPointer;

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief VToolLinePoint constructor.
 * @param doc dom document container.
 * @param data container with variables.
 * @param id object id in container.
 * @param typeLine line type.
 * @param lineColor line color.
 * @param formula string with length formula.
 * @param basePointId id base line point.
 * @param angle line angle.
 * @param parent parent object.
 */
VToolLinePoint::VToolLinePoint(VAbstractPattern *doc, VContainer *data, const quint32 &id, const QString &typeLine,
                               const QString &lineColor, const QString &formula, const quint32 &basePointId,
                               const qreal &angle, const QString &notes, QGraphicsItem *parent)
  : VToolSinglePoint(doc, data, id, notes, parent),
    formulaLength(formula),
    angle(angle),
    basePointId(basePointId),
    lineColor(lineColor)
{
    this->m_lineType = typeLine;
    Q_ASSERT_X(basePointId != 0, Q_FUNC_INFO, "basePointId == 0"); //-V654 //-V712
    auto const point1 = static_cast<QPointF>(*data->GeometricObject<VPointF>(basePointId));
    auto const point2 = static_cast<QPointF>(*data->GeometricObject<VPointF>(id));
    QLineF const line(point1 - point2, QPointF());
    mainLine = new VScaledLine(line, VColorRole::CustomColor, this);
    mainLine->SetBoldLine(false);
    mainLine->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
    mainLine->setVisible(not line.isNull());
}

//---------------------------------------------------------------------------------------------------------------------
VToolLinePoint::~VToolLinePoint()
{
    delete mainLine;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    QPen mPen = mainLine->pen();
    mPen.setColor(VSceneStylesheet::CorrectToolColor(this, VSceneStylesheet::CorrectToolColorForDarkTheme(lineColor)));
    mPen.setStyle(LineStyleToPenStyle(m_lineType));

    mainLine->setPen(mPen);

    VToolSinglePoint::paint(painter, option, widget);
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief RefreshGeometry  refresh item on scene.
 */
void VToolLinePoint::RefreshGeometry()
{
    VToolSinglePoint::RefreshPointGeometry(*VDrawTool::data.GeometricObject<VPointF>(m_id));
    auto const point = static_cast<QPointF>(*VDrawTool::data.GeometricObject<VPointF>(m_id));
    auto const basePoint = static_cast<QPointF>(*VDrawTool::data.GeometricObject<VPointF>(basePointId));
    QLineF const line(basePoint - point, QPointF());
    mainLine->setLine(line);
    mainLine->setVisible(not line.isNull());
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief RemoveReferens decrement value of reference.
 */
void VToolLinePoint::RemoveReferens()
{
    const auto basePoint = VAbstractTool::data.GetGObject(basePointId);
    doc->DecrementReferens(basePoint->getIdTool());
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj)
{
    VToolSinglePoint::SaveOptions(tag, obj);

    doc->SetAttribute(tag, AttrTypeLine, m_lineType);
    doc->SetAttribute(tag, AttrLineColor, lineColor);
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
    mainLine->SetBoldLine(true);
    VToolSinglePoint::hoverEnterEvent(event);
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
    mainLine->SetBoldLine(false);
    VToolSinglePoint::hoverLeaveEvent(event);
}

//---------------------------------------------------------------------------------------------------------------------
auto VToolLinePoint::MakeToolTip() const -> QString
{
    const QSharedPointer<VPointF> first = VAbstractTool::data.GeometricObject<VPointF>(basePointId);
    const QSharedPointer<VPointF> second = VAbstractTool::data.GeometricObject<VPointF>(m_id);

    const QLineF line(static_cast<QPointF>(*first), static_cast<QPointF>(*second));

    const QString toolTip = u"<table>"
                            u"<tr> <td><b>%6:</b> %7</td> </tr>"
                            u"<tr> <td><b>%1:</b> %2 %3</td> </tr>"
                            u"<tr> <td><b>%4:</b> %5°</td> </tr>"
                            u"</table>"_s.arg(tr("Length"))
                                .arg(VAbstractValApplication::VApp()->fromPixel(line.length()))
                                .arg(UnitsToStr(VAbstractValApplication::VApp()->patternUnits(), true), tr("Angle"))
                                .arg(line.angle())
                                .arg(tr("Label"), second->name());
    return toolTip;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::Disable(bool disable, const QString &namePP)
{
    VToolSinglePoint::Disable(disable, namePP);
    mainLine->setEnabled(isEnabled());
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief FullUpdateFromFile update tool data form file.
 */
void VToolLinePoint::FullUpdateFromFile()
{
    ReadAttributes();
    RefreshGeometry();
    SetVisualization();
}

//---------------------------------------------------------------------------------------------------------------------
auto VToolLinePoint::GetAngle() const -> qreal
{
    return angle;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::SetAngle(const qreal &value)
{
    angle = value;
    QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(m_id);
    SaveOption(obj);
}

//---------------------------------------------------------------------------------------------------------------------
auto VToolLinePoint::GetLineColor() const -> QString
{
    return lineColor;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::SetLineColor(const QString &value)
{
    lineColor = value;

    QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(m_id);
    SaveOption(obj);
}

//---------------------------------------------------------------------------------------------------------------------
auto VToolLinePoint::GetFormulaLength() const -> VFormula
{
    VFormula fLength(formulaLength, this->getData());
    fLength.setToolId(m_id);
    fLength.setPostfix(UnitsToStr(VAbstractValApplication::VApp()->patternUnits()));
    fLength.Eval();

    return fLength;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::SetFormulaLength(const VFormula &value)
{
    if (!value.error())
    {
        formulaLength = value.GetFormula(FormulaType::FromUser);

        QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(m_id);
        SaveOption(obj);
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VToolLinePoint::BasePointName() const -> QString
{
    return VAbstractTool::data.GetGObject(basePointId)->name();
}