/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2017  Seamly, LLC                                       *
 *                                                                         *
 *   https://github.com/fashionfreedom/seamly2d                            *
 *                                                                         *
 ***************************************************************************
 **
 **  Seamly2D 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.
 **
 **  Seamly2D 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 Seamly2D.  If not, see <http://www.gnu.org/licenses/>.
 **
 **************************************************************************

 ************************************************************************
 **
 **  @file   vtoollinepoint.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   November 15, 2013
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Seamly2D project
 **  <https://github.com/fashionfreedom/seamly2d> All Rights Reserved.
 **
 **  Seamly2D 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.
 **
 **  Seamly2D 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 Seamly2D.  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 <Qt>
#include <new>

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

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 lineType 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 &lineType, const QString &lineWeight,
                               const QString &lineColor, const QString &formula, const quint32 &basePointId,
                               const qreal &angle, QGraphicsItem *parent)
    : VToolSinglePoint(doc, data, id, QColor(lineColor), parent)
    , formulaLength(formula)
    , angle(angle)
    , basePointId(basePointId)
    , mainLine(nullptr)
    , lineColor(lineColor)
{
    this->m_lineType   = lineType;
    this->m_lineWeight = lineWeight;

    setPointColor(lineColor);

    Q_ASSERT_X(basePointId != 0, Q_FUNC_INFO, "basePointId == 0"); //-V654 //-V712
    QPointF point1 = static_cast<QPointF>(*data->GeometricObject<VPointF>(basePointId));
    QPointF point2 = static_cast<QPointF>(*data->GeometricObject<VPointF>(id));
    mainLine = new VScaledLine(QLineF(point1 - point2, QPointF()), this);
    mainLine->setDefaultWidth(ToPixel(m_lineWeight.toDouble(), Unit::Mm));
    mainLine->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
}

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

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    QPen pen = mainLine->pen();
    pen.setColor(correctColor(this, doc->useGroupColor(m_id, lineColor)));
    pen.setStyle(lineTypeToPenStyle(doc->useGroupLineType(m_id, m_lineType)));
    pen.setWidthF(ToPixel(doc->useGroupLineWeight(m_id, m_lineWeight).toDouble(), Unit::Mm));

    mainLine->setPen(pen);

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

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief RefreshGeometry  refresh item on scene.
 */
void VToolLinePoint::RefreshGeometry()
{
    setPointColor(lineColor);
    VToolSinglePoint::refreshPointGeometry(*VDrawTool::data.GeometricObject<VPointF>(m_id));
    QPointF point = static_cast<QPointF>(*VDrawTool::data.GeometricObject<VPointF>(m_id));
    QPointF basePoint = static_cast<QPointF>(*VDrawTool::data.GeometricObject<VPointF>(basePointId));

    mainLine->setDefaultWidth(ToPixel(m_lineWeight.toDouble(), Unit::Mm));
    mainLine->setLine(QLineF(basePoint - point, QPointF()));
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @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, AttrLineType,   m_lineType);
    doc->SetAttribute(tag, AttrLineWeight, m_lineWeight);
    doc->SetAttribute(tag, AttrLineColor,  lineColor);
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
    mainLine->setDefaultWidth(ToPixel(m_lineWeight.toDouble() + 1, Unit::Mm));
    VToolSinglePoint::hoverEnterEvent(event);
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
    mainLine->setDefaultWidth(ToPixel(m_lineWeight.toDouble(), Unit::Mm));
    VToolSinglePoint::hoverLeaveEvent(event);
}

//---------------------------------------------------------------------------------------------------------------------
QString VToolLinePoint::makeToolTip() const
{
    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 = QString("<table style=font-size:11pt; font-weight:600>"
                                    "<tr> <td><b>  %6:</b> %7</td> </tr>"
                                    "<tr> <td><b>%1:</b> %2 %3</td> </tr>"
                                    "<tr> <td><b> %4:</b> %5°</td> </tr>"
                                    "</table>")
                                    .arg(tr("Length"))
                                    .arg(qApp->fromPixel(line.length()))
                                    .arg(UnitsToStr(qApp->patternUnit(), true))
                                    .arg(tr("Angle"))
                                    .arg(line.angle())
                                    .arg(tr("Name"))
                                    .arg(second->name());

    return toolTip;
}

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

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

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

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

//---------------------------------------------------------------------------------------------------------------------
QString VToolLinePoint::getLineColor() const
{
    return lineColor;
}

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

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

//---------------------------------------------------------------------------------------------------------------------
quint32 VToolLinePoint::GetBasePointId() const
{
    return basePointId;
}

//---------------------------------------------------------------------------------------------------------------------
void VToolLinePoint::SetBasePointId(const quint32 &value)
{
    if (value != NULL_ID)
    {
        basePointId = value;

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

//---------------------------------------------------------------------------------------------------------------------
VFormula VToolLinePoint::GetFormulaLength() const
{
    VFormula fLength(formulaLength, this->getData());
    fLength.setCheckZero(true);
    fLength.setToolId(m_id);
    fLength.setPostfix(UnitsToStr(qApp->patternUnit()));

    return fLength;
}

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

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

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