#ifndef MV2DELEMENTFLOOROBSTACLELINE_H
#define MV2DELEMENTFLOOROBSTACLELINE_H

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

#include "MapViewElementHelper.h"
#include <Indoor/floorplan/v2/Floorplan.h>
#include <stdio.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 */
	ClickDist 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);}
		}

		// convert wall's thickness from meter to pixels
		const float thickness_px = p.s.ms(fo->thickness_m);

		// remember the old pen
		QPen pen = p.getPen();

		// see notes within MapElementHelper!
		// lines only get thicker, but not longer!
		p.setPenBrush(MapElementHelper::getPen(fo->material, fo->type, hasFocus(), thickness_px), Qt::NoBrush);
		p.drawLine(fo->from, fo->to);

		// reset the old pen
		p.setPen(pen);

		// available endpoints
		if (hasFocus()) {

			p.setPenBrush(Qt::black, Qt::NoBrush);
			p.drawCircle(fo->from);
			p.drawCircle(fo->to);

			// obstacle length
			p.setPenBrush(Qt::black, Qt::NoBrush);
			p.drawLength(fo->from, fo->to, fo->from.getDistance(fo->to), thickness_px/2);

		} else {
			//p.setPenBrush(Qt::NoPen, Qt::black);
			p.drawCircle_px(fo->from, 3);
			p.drawCircle_px(fo->to, 3);
		}

	}

	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;}
	}

	void onNodeMoved(MapView2D* v, const int userIdx, const Point2 newPos) {
		(void) userIdx;
		(void) newPos;
		emit v->onElementChange(this);
	}

};

#endif // MV2DELEMENTFLOOROBSTACLELINE_H