#pragma once

#include <QObject>
#include <openvr.h>

class QQuickWindow;
// application namespace
namespace advsettings {

// forward declaration
class OverlayController;


class StatisticsTabController : public QObject {
	Q_OBJECT
	Q_PROPERTY(float hmdDistanceMoved READ hmdDistanceMoved)
	Q_PROPERTY(float hmdRotations READ hmdRotations)
	Q_PROPERTY(float leftControllerMaxSpeed READ leftControllerMaxSpeed)
	Q_PROPERTY(float rightControllerMaxSpeed READ rightControllerMaxSpeed)
	Q_PROPERTY(int droppedFrames READ droppedFrames)
	Q_PROPERTY(int reprojectedFrames READ reprojectedFrames)
	Q_PROPERTY(int timedOut READ timedOut)

private:
	OverlayController* parent;
	QQuickWindow* widget;

	bool rotationResetFlag = false;
	float rotationOffset = 0.0f;
	int rotationDir = 0;
	int64_t rotationCounter = 0;
	float lastYaw = -1.0f;
	unsigned lastPosTimer = 0;
	float lastHmdPos[3];
	bool lastHmdPosValid = false;
	unsigned compositorStatsPid = 0;

	float m_hmdRotation = 0.0f;

	double m_hmdDistanceMoved = 0.0;

	float m_leftControllerMaxSpeed = 0.0f;

	float m_rightControllerMaxSpeed = 0.0f;

	unsigned m_droppedFramesOffset = 0;

	unsigned m_reprojectedFramesOffset = 0;

	unsigned m_timedOutOffset = 0;

public:
	void initStage1();
	void initStage2(OverlayController* parent, QQuickWindow* widget);

	void eventLoopTick(vr::TrackedDevicePose_t* devicePoses);

	float hmdDistanceMoved() const;
	float hmdRotations() const;
	float rightControllerMaxSpeed() const;
	float leftControllerMaxSpeed() const;

	unsigned droppedFrames() const;
	unsigned reprojectedFrames() const;
	unsigned timedOut() const;

public slots:
	void statsDistanceResetClicked();
	void statsRotationResetClicked();
	void statsLeftControllerSpeedResetClicked();
	void statsRightControllerSpeedResetClicked();
	void droppedFramesResetClicked();
	void reprojectedFramesResetClicked();
	void timedOutResetClicked();
};


} // namespace advsettings