#pragma once
#include "ltswidgets_export.h"

#include <QGraphicsView>
#include <QObject>

namespace LtsWidgets
{

class LTSWIDGETS_EXPORT LtsImageCropper : public QGraphicsView
{

    Q_OBJECT

    Q_PROPERTY(QPixmap pixMap READ pixmap WRITE setPixmap)
    Q_PROPERTY(double multiplier READ multiplier WRITE setMultiplier)
    Q_PROPERTY(double maxZoom READ maxZoom WRITE setMaxZoom)

  public:
    LtsImageCropper(QWidget* parent = nullptr, const QSize& size = {}, const QPixmap& pixmap = {});
    ~LtsImageCropper();

    void setPixmap(const QPixmap& pixmap);

    void setImage(const QImage& image);

    void setMultiplier(double multiplier);

    void setMaxZoom(double maxZoom)
    {
        m_maxScale = maxZoom;
    }

    QPixmap pixmap()
    {
        return grab();
    }

    QImage image();

    double multiplier() const
    {
        return m_multiplier;
    }

    double maxZoom() const
    {
        return m_maxScale;
    }

  private:
    QGraphicsScene* m_scene = nullptr;
    QGraphicsPixmapItem* m_pixmapItem = nullptr;

    double m_currentZoom;
    double m_minScale;
    double m_maxScale;
    double m_stepScale;
    double m_multiplier;

    void calculateScaleStep();

  protected:
    void wheelEvent(QWheelEvent* event) override;
    void mousePressEvent(QMouseEvent* event) override;
    void mouseReleaseEvent(QMouseEvent* event) override;
};

} // namespace LtsWidgets