#include "settings_pane.hh"

#include <QCheckBox>
#include <QDoubleSpinBox>
#include <QFormLayout>
#include <QGroupBox>
#include <QVBoxLayout>


SettingsPane::SettingsPane(QWidget *parent)
	:QWidget(parent) {
	QDoubleSpinBox *sphere_radius = new QDoubleSpinBox();
	sphere_radius->setSingleStep(.1);
	QCheckBox *show_trajectories = new QCheckBox();
	QCheckBox *show_support_lines = new QCheckBox();
	collisions = new QListWidget();

	connect(sphere_radius, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
			this, &SettingsPane::sphereRadiusChanged);
	connect(show_trajectories, &QCheckBox::stateChanged,
			this, &SettingsPane::toggledTrajectories);
	connect(show_support_lines, &QCheckBox::stateChanged,
			this, &SettingsPane::toggledSupportLines);
	connect(collisions, &QListWidget::itemClicked,
			[&](QListWidgetItem *item) { emit collisionClicked(((CollisionItem *) item)->getFrame()); });

	QFormLayout *layout = new QFormLayout;
	layout->addRow("Taille de la sphère de collision", sphere_radius);
	layout->addRow("Afficher les trajectoires", show_trajectories);
	layout->addRow("Afficher les lignes de support", show_support_lines);
	QGroupBox *box = new QGroupBox();
	box->setTitle("Collisions");
	box->setFlat(true);
	box->setAlignment(Qt::AlignHCenter);
	QVBoxLayout *box_layout = new QVBoxLayout();
	box_layout->addWidget(collisions);
	box->setLayout(box_layout);
	layout->addRow(box);
	setLayout(layout);
}


void SettingsPane::addCollision(int idA, int idB, int frame) {
	CollisionItem *item = new CollisionItem("Frame " + QString::number(frame) + ": #"
											+ QString::number(idA) + " et #" + QString::number(idB),
											frame);
	item->setFlags(Qt::ItemIsEnabled | Qt::ItemNeverHasChildren);
	collisions->addItem(item);
}


void SettingsPane::clearCollisions() {
	QListWidgetItem *item;
	while ((item = collisions->takeItem(0)) != nullptr) {
		delete item;
	}
}