#include "LayerParamWidget.h"
#include <QGridLayout>

#include <QLineEdit>
#include <QLabel>

#include "mapview/model/IHasName.h"
#include "mapview/model/MMFloor.h"

LayerParamWidget::LayerParamWidget(QWidget *parent) : QGroupBox(parent) {

	setMinimumSize(100, 100);
	setMaximumWidth(250);
	setTitle("MapLayer Parameters");

	QGridLayout* lay = new QGridLayout(this);
	int r = 0;


	selected.lbl = new QLabel("selected");
	selected.info = new QLabel();
	lay->addWidget(selected.lbl, r, 0);
	lay->addWidget(selected.info, r, 1);
	++r;

	name.lbl = new QLabel("name");
	name.txt = new QLineEdit();
	lay->addWidget(name.lbl, r, 0);
	lay->addWidget(name.txt, r, 1);
	connect(name.txt, SIGNAL(textChanged(QString)), this, SLOT(onNameChanged()));
	++r;

	atHeight.lbl = new QLabel("at height");
	atHeight.txt = new QLineEdit();
	lay->addWidget(atHeight.lbl, r, 0);
	lay->addWidget(atHeight.txt, r, 1);
	connect(atHeight.txt, SIGNAL(textChanged(QString)), this, SLOT(onAtHeightChanged()));
	++r;

	height.lbl = new QLabel("height");
	height.txt = new QLineEdit();
	lay->addWidget(height.lbl, r, 0);
	lay->addWidget(height.txt, r, 1);
	connect(height.txt, SIGNAL(textChanged(QString)), this, SLOT(onHeightChanged()));
	++r;

	// start empty
	setElement(nullptr);

}

void LayerParamWidget::setElement(MapLayer* l) {

	this->curElement = l;

	if (l) {
		std::string info = l->getLayerName() + " (" +  std::to_string(l->getNumElements()) + " elements)";
		selected.info->setText(info.c_str());
	} else {
		selected.info->setText("-");
	}

	{
		MMFloor* floor = dynamic_cast<MMFloor*>(l);
		atHeight.lbl->setVisible(floor);
		atHeight.txt->setVisible(floor);
		height.lbl->setVisible(floor);
		height.txt->setVisible(floor);
		if (floor) {
			std::string _atHeight = std::to_string(floor->getFloor().atHeight);
			atHeight.txt->setText( _atHeight.c_str() );
			std::string _height = std::to_string(floor->getFloor().height);
			height.txt->setText( _height.c_str() );
		}
	}

	// has name
	{
		IHasName* elem = dynamic_cast<IHasName*>(l);
		name.lbl->setVisible(elem);
		name.txt->setVisible(elem);
		if (elem) {name.txt->setText(elem->getName().c_str());}
	}

}



void LayerParamWidget::onAtHeightChanged() {
	MMFloor* floor = dynamic_cast<MMFloor*>(curElement);
	try {
		if (floor) {floor->getFloor().atHeight = std::stof(atHeight.txt->text().toStdString());}
	} catch (...) {;}
}

void LayerParamWidget::onHeightChanged() {
	MMFloor* floor = dynamic_cast<MMFloor*>(curElement);
	try {
		if (floor) {floor->getFloor().height = std::stof(height.txt->text().toStdString());}
	} catch (...) {;}
}

void LayerParamWidget::onNameChanged() {
	dynamic_cast<IHasName*>(curElement)->setName(name.txt->text().toStdString());
}