#include "vtoolline.h"
#include <QMenu>
#include <QDebug>

VToolLine::VToolLine(VDomDocument *doc, VContainer *data, qint64 id, qint64 firstPoint, qint64 secondPoint,
                     Tool::Enum typeCreation, QGraphicsItem *parent):VAbstractTool(doc, data, id),
    QGraphicsLineItem(parent){
    this->firstPoint = firstPoint;
    this->secondPoint = secondPoint;

    //Лінія
    VPointF first = data->GetPoint(firstPoint);
    VPointF second = data->GetPoint(secondPoint);
    this->setLine(QLineF(first.toQPointF(), second.toQPointF()));
    this->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
    this->setFlag(QGraphicsItem::ItemIsSelectable, true);
    this->setAcceptHoverEvents(true);

    if(typeCreation == Tool::FromGui){
        AddToFile();
    }
}

void VToolLine::FullUpdateFromFile(){
    QDomElement domElement = doc->elementById(QString().setNum(id));
    if(domElement.isElement()){
        firstPoint = domElement.attribute("firstPoint", "").toLongLong();
        secondPoint = domElement.attribute("secondPoint", "").toLongLong();
    }
    VPointF first = VAbstractTool::data->GetPoint(firstPoint);
    VPointF second = VAbstractTool::data->GetPoint(secondPoint);
    this->setLine(QLineF(first.toQPointF(), second.toQPointF()));
}

void VToolLine::FullUpdateFromGui(int result){
    if(result == QDialog::Accepted){
        QDomElement domElement = doc->elementById(QString().setNum(id));
        if(domElement.isElement()){
            domElement.setAttribute("firstPoint", QString().setNum(dialogLine->getFirstPoint()));
            domElement.setAttribute("secondPoint", QString().setNum(dialogLine->getSecondPoint()));
            emit FullUpdateTree();
        }
    }
    dialogLine.clear();
}

void VToolLine::ChangedActivDraw(const QString newName){
    if(nameActivDraw == newName){
        this->setPen(QPen(Qt::black, widthHairLine));
        this->setAcceptHoverEvents (true);
        VAbstractTool::ChangedActivDraw(newName);
    } else {
        this->setPen(QPen(Qt::gray, widthHairLine));
        this->setAcceptHoverEvents (false);
        VAbstractTool::ChangedActivDraw(newName);
    }
}

void VToolLine::contextMenuEvent(QGraphicsSceneContextMenuEvent *event){
    if(!ignoreContextMenuEvent){
        QMenu menu;
        QAction *actionOption = menu.addAction("Властивості");
        QAction *selectedAction = menu.exec(event->screenPos());
        if(selectedAction == actionOption){
            dialogLine = QSharedPointer<DialogLine>(new DialogLine(VAbstractTool::data));

            connect(qobject_cast< VMainGraphicsScene * >(this->scene()), &VMainGraphicsScene::ChoosedObject,
                    dialogLine.data(), &DialogLine::ChoosedObject);
            connect(dialogLine.data(), &DialogLine::DialogClosed, this, &VToolLine::FullUpdateFromGui);

            dialogLine->setFirstPoint(firstPoint);
            dialogLine->setSecondPoint(secondPoint);

            dialogLine->show();
        }
    }
}


void VToolLine::AddToFile(){
    QDomElement domElement = doc->createElement("line");
    AddAttribute(domElement, "id", id);
    AddAttribute(domElement, "firstPoint", firstPoint);
    AddAttribute(domElement, "secondPoint", secondPoint);

    AddToCalculation(domElement);
}

void VToolLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setPen(QPen(Qt::black, widthMainLine));
}

void VToolLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setPen(QPen(Qt::black, widthHairLine));
}