#ifndef MV2DELEMENTFLOOROBSTACLELINE_H
#define MV2DELEMENTFLOOROBSTACLELINE_H

#include "MV2DElement.h"
#include "HasMoveableNodes.h"

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

class MV2DElementFloorObstacleLine : public MV2DElement, public HasMoveableNodes {

private:

	Floorplan::FloorObstacleLine* fo;

public:

	/** ctor */
	MV2DElementFloorObstacleLine(Floorplan::FloorObstacleLine* fo) : fo(fo) {;}

	/** get the element's 3D bounding box */
	BBox2 getBoundingBox() const override {
		BBox2 bbox;
		bbox.add(fo->from);
		bbox.add(fo->to);
		return bbox;
	}

	/** get the element's minimal distance (nearest whatsoever) to the given point */
	float getMinDistanceXY(const Point2 p) const override {
		return MapElementHelper::getLineDistanceXY(fo->from, fo->to, p);
	}



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

		// selected endpoints?
		if (hasFocus()) {
			p.setPenBrush(Qt::NoPen, CFG::SEL_COLOR);
			if (selectedUserIdx == 0) {p.drawCircle(fo->from);}
			if (selectedUserIdx == 1) {p.drawCircle(fo->to);}
		}


		p.setPenBrush(MapElementHelper::getPen(fo->material, fo->type, hasFocus()), Qt::NoBrush);
		p.drawLine(fo->from, fo->to);

//		// door?
//		if (fo->type == Floorplan::ObstacleType::DOOR) {
//			paintDoor(p);
//		} else {
//			p.setPenBrush(MapElementHelper::getPen(fo->material, fo->type, hasFocus()), Qt::NoBrush);
//			p.drawLine(fo->from, fo->to);
//		}

		// available endpoints
		if (hasFocus()) {
			p.setPenBrush(Qt::black, Qt::NoBrush);
			p.drawCircle(fo->from);
			p.drawCircle(fo->to);
		}

	}

	void paintDoor(Painter& p) {

		QPen pen;
		pen.setColor(QColor(0.5,0.5,0.5));
		pen.setStyle(Qt::PenStyle::DotLine);
		p.setPenBrush(pen, Qt::NoBrush);


		// opening indicator
		const float open = M_PI / 4;
		const float len = (fo->to - fo->from).length();
		const float angle1 = std::atan2(fo->to.y-fo->from.y, fo->to.x-fo->from.x);
		const float angle2 = angle1 + open;
		const Point2 pOpen = Point2( std::cos(angle2) * len, std::sin(angle2) * len ) + fo->from;

		p.drawLine(fo->from, fo->to);
		p.drawLine(fo->from, pOpen);

		p.drawArc(fo->from, len, angle1, open);
		//p.drawLine(fo->to, pOpen);

	}

	void onFocus() override {
		;
	}

	void onUnfocus() override {
		selectedUserIdx = -1;	// clear selection
	}

	virtual std::vector<MoveableNode> getMoveableNodes() const override {
		return {
			MoveableNode(0, fo->from),
			MoveableNode(1, fo->to)
		};
	}

	void onNodeMove(MapView2D* v, const int userIdx, const Point2 newPos) override {
		(void) v;
		if (userIdx == 0) {fo->from.x = newPos.x; fo->from.y = newPos.y;}
		if (userIdx == 1) {fo->to.x = newPos.x; fo->to.y = newPos.y;}
	}

};

#endif // MV2DELEMENTFLOOROBSTACLELINE_H