#pragma once

#include <QQuickPaintedItem>
#include <qcustomplot.h>

//class QCustomPlot;
//class QCPAbstractPlottable;
//class QCPItemPixmap;
//class QCPGraph;
using Points2D = QVector<QVector2D>;

class QmlCustomPlot : public QQuickPaintedItem
{
    Q_OBJECT
    QML_ELEMENT
    Q_PROPERTY(QCustomPlot* plot READ plot WRITE setPlot NOTIFY plotChanged)
    Q_PROPERTY(int fps READ fps WRITE setFps NOTIFY fpsChanged)

public:
    QmlCustomPlot(QQuickItem* parent = nullptr);
    ~QmlCustomPlot() Q_DECL_OVERRIDE;

    void paint(QPainter* painter) Q_DECL_OVERRIDE;

    Q_INVOKABLE void initCustomPlot();

public:
	QCustomPlot* plot() const;
	int fps() const;

public slots:
	void setPlot(QCustomPlot *plot);
    void setPoints(const QVector<QVector2D> points);
    void setLines(const QVector<QLineF> lines);
    void setContours(const QVector<Points2D> contours);
	void setFps(int fps);

signals:
	void plotChanged();
	void fpsChanged();

protected:
    void routeMouseEvents(QMouseEvent* event);
    void routeWheelEvents(QWheelEvent* event);

    void mousePressEvent(QMouseEvent* event) override;
    void mouseReleaseEvent(QMouseEvent* event) override;
    void mouseMoveEvent(QMouseEvent* event) override;
    void mouseDoubleClickEvent(QMouseEvent* event) override;
    void wheelEvent(QWheelEvent *event) override;

    void timerEvent(QTimerEvent *event) override;

private:
    QCustomPlot* m_plot = nullptr;
    int m_timerId;
    QCPItemPixmap* m_bg = nullptr;
	int m_fps = 0;
	int m_fpsCounter = 0;

    QCPGraph * m_profileGraph = nullptr;
    QVector<QCPGraph *> m_contourGraphs;

    QVector<QCPItemLine *> m_lineItems;

private slots:
    void graphClicked(QCPAbstractPlottable * plottable);
    void onCustomReplot();
    void updateCustomPlotSize();
};

//Q_DECLARE_METATYPE(QCustomPlot)