#include "runeaspektbuttongroup.h"

#include "runeaspektbutton.h"

#include <QDebug>

const int RuneAspektButtonGroup::INVALID_ASPEKT_ID = 0;

RuneAspektButtonGroup::RuneAspektButtonGroup(QObject* parent, uint32_t size) : QObject(parent), selectedRune(), size(size) {
	selectedRune.reserve(size*2);
}

RuneAspektButtonGroup::~RuneAspektButtonGroup() {}

void RuneAspektButtonGroup::addButton(RuneAspektButton* button) {
	QObject::connect(this, &RuneAspektButtonGroup::changed, button, &RuneAspektButton::dataChanged);
	QObject::connect(button, &RuneAspektButton::aspektToggled, this, &RuneAspektButtonGroup::buttonPressed);

	button->setButtonGroup(this);
}

void RuneAspektButtonGroup::setSelectedRunes(const QVector<int>& newRunes) {
	selectedRune = newRunes;

	qDebug() << "selectedRunes changed to: " << selectedRune << " refesching buttons";

	emit changed();
}

void RuneAspektButtonGroup::setSubgroups(const QVector<QVector<int>>& newSubgroups) {
	subgroups = newSubgroups;
}

void RuneAspektButtonGroup::buttonPressed(int aspektId) {
	if(selectedRune.contains(aspektId)) {
		selectedRune.removeAll(aspektId);
	} else {
		// check subgroups first
		int otherSubgroupMember = getOtherSubgroupMemeber(aspektId);
		if(otherSubgroupMember != INVALID_ASPEKT_ID) {
			// collision in subgroup -> remove other member
			selectedRune.removeAll(otherSubgroupMember);
		}

		selectedRune.push_back(aspektId);

		if((uint32_t) selectedRune.size() > size) {
			selectedRune.removeFirst();
		}
	}

	emit changed();
}

int RuneAspektButtonGroup::getOtherSubgroupMemeber(int aspektId) {
	if(subgroups.empty()) {
		return INVALID_ASPEKT_ID;
	}

	for(const QVector<int>& subgroup : subgroups) {
		if(subgroup.contains(aspektId)) {
			for(const int& subgroupMember : subgroup) {
				if(aspektId != subgroupMember && selectedRune.contains(subgroupMember)) {
					return subgroupMember;
				}
			}

			break;
		}
	}

	return INVALID_ASPEKT_ID;
}