#ifndef TOOLNEWELEVATOR_H
#define TOOLNEWELEVATOR_H

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

class ToolNewElevator : public ToolNewElement<Floorplan::Elevator, MMFloorElevator> {

private:

	/** currently edited line node (has multiple) */
	int idx = 0;
	Point2 p1;
	Point2 p2;
	Point2 p3;

public:

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

	void becomesActive() override {
		//create();			// start adding an new element
		showHelp();
	}

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

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



	/** 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;

		if (idx == 0) {
			createEmptyElement();
			setPoint(idx, mapPoint);
			++idx;
		} else if (idx == 1) {
			setPoint(idx, mapPoint);
			++idx;
		} else if (idx == 2) {
			setPoint(idx, mapPoint);
			finalizeCurrent();
			disableMe();
			idx = 0;
		}

		showHelp();

	}

	void rightMouse(const Point2 mapPoint) override {
		(void) mapPoint;
	}

	void showHelp() {
		switch (idx) {
		case 0: emit onHelpTextChange("click at the right side of the elevator's door"); break;
		case 1: emit onHelpTextChange("click at the left side of the elevator's door"); break;
		case 2: emit onHelpTextChange("click at the left backside of the elevator"); break;
		}
	}

private:

	void createEmptyElement() {

		foEL = new Floorplan::Elevator();
		MMFloorElevators* elevators = (MMFloorElevators*)layer;
		mmEL = elevators->create(foEL);

	}

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

		if (idx == 0) {
			p1 = mapPoint;
			p2 = mapPoint;
			p3 = mapPoint;
		} else if (idx == 1) {
			p2 = mapPoint;
			p3 = mapPoint;
		} else if (idx == 2) {
			p3 = mapPoint;
		}

		foEL->center = (p1+p3)/2;
		foEL->width = p1.getDistance(p2);
		foEL->depth = p2.getDistance(p3);
		foEL->rotation = std::atan2(p2.y-p1.y, p2.x-p1.x);

	}

};


#endif // TOOLNEWELEVATOR_H