#ifndef MV2DELEMENTFLOOROBSTACLECIRCLE_H
#define MV2DELEMENTFLOOROBSTACLECIRCLE_H


#include "MV2DElement.h"
#include "MapViewElementHelper.h"
#include <Indoor/floorplan/v2/Floorplan.h>

class MV2DElementFloorObstacleCircle : public MV2DElement {

private:

	int selPoint = -1;
	Floorplan::FloorObstacleCircle* c;

public:

	/** ctor */
	MV2DElementFloorObstacleCircle(Floorplan::FloorObstacleCircle* c) : c(c) {;}

	/** get the element's 3D bounding box */
	BBox2 getBoundingBox() const override {
		BBox2 bbox;
		bbox.add(c->center);
		bbox.grow(Point2(c->radius, c->radius));
		return bbox;
	}

	/** get the element's minimal distance (nearest whatsoever) to the given point */
	ClickDist getMinDistanceXY(const Point2 p) const override {
		const ClickDist d1(p.getDistance(getSelPoints()[0]), ClickDistType::DIRECT);
		const ClickDist d2(p.getDistance(getSelPoints()[1]), ClickDistType::DIRECT);
		return std::min(d1, d2);
		//return std::min(p.getDistance(getSelPoints()[0]), p.getDistance(getSelPoints()[1]));
	}


	/** repaint me */
	void paint(Painter& p) override {

		QPen pen;// = MapElementHelper::getPen(c->material, c->type, hasFocus());

		p.setPenBrush(pen, Qt::NoBrush);
		p.drawCircle(c->center, c->radius);

		//QBrush brush = MapElementHelper::getBru(c->material, c->type, _focused);

		// selected endpoints?
		if (hasFocus()) {
			p.setPenBrush(Qt::NoPen, CFG::SEL_COLOR);
			if (selPoint == 0) {p.drawCircle(getSelPoints()[0]);}
			if (selPoint == 1) {p.drawCircle(getSelPoints()[1]);}
		}

		// available endpoints
		if (hasFocus()) {
			p.setPenBrush(Qt::black, Qt::NoBrush);
			p.drawCircle(getSelPoints()[0]);
			p.drawCircle(getSelPoints()[1]);
		}

	}

	std::vector<Point2> getSelPoints() const {
		return {c->center, (c->center + Point2(c->radius,0))};
	}

	virtual void onFocus() override {
		;
	}

	virtual void onUnfocus() override {
		selPoint = -1;
	}

	/** mouse pressed at the given point */
	virtual void mousePressed(MapView2D* v, const Point2 p) override {
		(void) v;
		(void) p;

	}

	/** mouse moved to the given point */
	virtual void mouseMove(MapView2D* v, const Point2 _p) override {
		(void) v;
		if (selPoint == -1) {return;}
		const Point2 p = v->getScaler().snap(_p);
		if (selPoint == 0) {c->center = p;}
		if (selPoint == 1) {c->radius = p.getDistance(c->center);}
	}

	/** mouse released */
	virtual void mouseReleased(MapView2D* v, const Point2 _p) override {
		const float t = v->getScaler().sm(CFG::SEL_THRESHOLD_SIZE_PX);
		const float l1 = _p.getDistance(getSelPoints()[0]);
		const float l2 = _p.getDistance(getSelPoints()[1]);
		if		(l1 < l2 && l1 <= t)	{selPoint = 0;}
		else if	(l2 < l1 && l2 <= t)	{selPoint = 1;}
		else							{selPoint = -1;}
	}

	virtual bool keyPressEvent(MapView2D* v, QKeyEvent *e) override {
		(void) v;
		(void) e;

		return false;
	}

};

#endif // MV2DELEMENTFLOOROBSTACLECIRCLE_H