/*
 * © Copyright 2014 – Urheberrechtshinweis
 * Alle Rechte vorbehalten / All Rights Reserved
 *
 * Programmcode ist urheberrechtlich geschuetzt.
 * Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
 * Keine Verwendung ohne explizite Genehmigung.
 * (vgl. § 106 ff UrhG / § 97 UrhG)
 */

#ifndef TOOLNEWSTAIR_H
#define TOOLNEWSTAIR_H

#include "ToolNewElement.h"
#include "../../model/MMFloorStairs.h"

class ToolNewStair : public ToolNewElement<Floorplan::StairFreeform, MMFloorStair> {

private:

	/** currently edited line node (has multiple) */
	int idx = 0;

public:

	ToolNewStair(Tools& tools, MapLayer* layer) : ToolNewElement(tools, layer) {
		;
	}

	void becomesActive() override {
		//create();			// start adding an new element
		emit onHelpTextChange("click for the stair's starting point");
	}

	void becomesInactive() override {
		deleteCurrent();	// delete the currently pending and not yet finished stair
	}

	const std::string getName() const override {
		return "new Stair";
	}



	/** mouse is currently moved */
	void moving(const Point2 mapPoint) override {

		if (idx > 0) {
			setPoint(idx, mapPoint);
		}

	}

	/** next point */
	void leftMouse(const Point2 mapPoint) override {

		(void) mapPoint;

		// start a new stair here
		if (idx == 0) {
			createEmptyElement();
		} else {
			;
		}

		// add a new part to the stair
		Floorplan::StairPart sp;
		sp.connectWithPrev = false;
		sp.width = 1.5;
		foEL->parts.push_back(sp);

		setPoint(idx, mapPoint);	// current element (finished)
		++idx;
		setPoint(idx, mapPoint);	// new element (start at the current)

		emit onHelpTextChange("right-click: set end + start new part, left-click set end + finish");

	}

	void rightMouse(const Point2 mapPoint) override {

		(void) mapPoint;

		finalizeCurrent();
		disableMe();
		idx = 0;

	}

private:

	void setPoint(const int idx, const Point2 mapPoint) {

		if (idx == 0) {
			Floorplan::StairPart& part = foEL->parts[0];
			part.start = Point3(mapPoint.x, mapPoint.y, 0);
			part.end = part.start;

		} else if (idx == 1) {
			Floorplan::StairPart& part = foEL->parts[0];
			part.end = Point3(mapPoint.x, mapPoint.y, 0);

		} else if (idx > 1) {
			Floorplan::StairPart& p1 = foEL->parts[idx-2];
			Floorplan::StairPart& p2 = foEL->parts[idx-1];
			p2.start = p1.end;
			p2.end = Point3(mapPoint.x, mapPoint.y, 0);

		}

	}

	void createEmptyElement() {

		foEL = new Floorplan::StairFreeform();
		MMFloorStairs* stairs = (MMFloorStairs*)layer;
		mmEL = stairs->create(foEL);

	}

};

#endif // TOOLNEWSTAIR_H