/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later WITH LicenseRef-MeshMC-MMCO-Module-Exception-1.0
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   Copyright (C) 2026 Project Tick
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version, with the additional permission
 *   described in the MeshMC MMCO Module Exception 1.0.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *   You should have received a copy of the MeshMC MMCO Module Exception 1.0
 *   along with this program.  If not, see <https://projecttick.org/licenses/>.
 *
 *  This file incorporates work covered by the following copyright and
 *  permission notice:
 *
 * Copyright 2013-2021 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <QLabel>
#include <QVBoxLayout>
#include <QResizeEvent>
#include <QStyleOption>
#include "LabeledToolButton.h"
#include <QApplication>
#include <QDebug>

/*
 *
 *  Tool Button with a label on it, instead of the normal text rendering
 *
 */

LabeledToolButton::LabeledToolButton(QWidget* parent)
	: QToolButton(parent), m_label(new QLabel(this))
{
	// QToolButton::setText(" ");
	m_label->setWordWrap(true);
	m_label->setMouseTracking(false);
	m_label->setAlignment(Qt::AlignCenter);
	m_label->setTextInteractionFlags(Qt::NoTextInteraction);
	// somehow, this makes word wrap work in the QLabel. yay.
	// m_label->setMinimumWidth(100);
}

QString LabeledToolButton::text() const
{
	return m_label->text();
}

void LabeledToolButton::setText(const QString& text)
{
	m_label->setText(text);
}

void LabeledToolButton::setIcon(QIcon icon)
{
	m_icon = icon;
	resetIcon();
}

/*!
	\reimp
*/
QSize LabeledToolButton::sizeHint() const
{
	/*
	Q_D(const QToolButton);
	if (d->sizeHint.isValid())
		return d->sizeHint;
	*/
	ensurePolished();

	int w = 0, h = 0;
	QStyleOptionToolButton opt;
	initStyleOption(&opt);
	QSize sz = m_label->sizeHint();
	w = sz.width();
	h = sz.height();

	opt.rect.setSize(
		QSize(w, h)); // PM_MenuButtonIndicator depends on the height
	if (popupMode() == MenuButtonPopup)
		w += style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, this);

	QSize rawSize = style()->sizeFromContents(QStyle::CT_ToolButton, &opt,
											  QSize(w, h), this);
	QSize sizeHint = rawSize;
	return sizeHint;
}

void LabeledToolButton::resizeEvent(QResizeEvent* event)
{
	m_label->setGeometry(QRect(4, 4, width() - 8, height() - 8));
	if (!m_icon.isNull()) {
		resetIcon();
	}
	QWidget::resizeEvent(event);
}

void LabeledToolButton::resetIcon()
{
	auto iconSz = m_icon.actualSize(QSize(160, 80));
	float w = iconSz.width();
	float h = iconSz.height();
	float ar = w / h;
	// FIXME: hardcoded max size of 160x80
	int newW = 80 * ar;
	if (newW > 160)
		newW = 160;
	QSize newSz(newW, 80);
	auto pixmap = m_icon.pixmap(newSz);
	m_label->setPixmap(pixmap);
	m_label->setMinimumHeight(80);
	m_label->setSizePolicy(QSizePolicy::MinimumExpanding,
						   QSizePolicy::Preferred);
}
