/* 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 "MMCIcon.h"
#include <QFileInfo>
#include <xdgicon.h>

IconType operator--(IconType& t, int)
{
	IconType temp = t;
	switch (t) {
		case IconType::Builtin:
			t = IconType::ToBeDeleted;
			break;
		case IconType::Transient:
			t = IconType::Builtin;
			break;
		case IconType::FileBased:
			t = IconType::Transient;
			break;
		default: {
		}
	}
	return temp;
}

IconType MMCIcon::type() const
{
	return m_current_type;
}

QString MMCIcon::name() const
{
	if (m_name.size())
		return m_name;
	return m_key;
}

bool MMCIcon::has(IconType _type) const
{
	return m_images[_type].present();
}

QIcon MMCIcon::icon() const
{
	if (m_current_type == IconType::ToBeDeleted)
		return QIcon();
	auto& icon = m_images[m_current_type].icon;
	if (!icon.isNull())
		return icon;
	// FIXME: inject this.
	return XdgIcon::fromTheme(m_images[m_current_type].key);
}

void MMCIcon::remove(IconType rm_type)
{
	m_images[rm_type].filename = QString();
	m_images[rm_type].icon = QIcon();
	for (auto iter = rm_type; iter != IconType::ToBeDeleted; iter--) {
		if (m_images[iter].present()) {
			m_current_type = iter;
			return;
		}
	}
	m_current_type = IconType::ToBeDeleted;
}

void MMCIcon::replace(IconType new_type, QIcon icon, QString path)
{
	if (new_type > m_current_type || m_current_type == IconType::ToBeDeleted) {
		m_current_type = new_type;
	}
	m_images[new_type].icon = icon;
	m_images[new_type].filename = path;
	m_images[new_type].key = QString();
}

void MMCIcon::replace(IconType new_type, const QString& key)
{
	if (new_type > m_current_type || m_current_type == IconType::ToBeDeleted) {
		m_current_type = new_type;
	}
	m_images[new_type].icon = QIcon();
	m_images[new_type].filename = QString();
	m_images[new_type].key = key;
}

QString MMCIcon::getFilePath() const
{
	if (m_current_type == IconType::ToBeDeleted) {
		return QString();
	}
	return m_images[m_current_type].filename;
}

bool MMCIcon::isBuiltIn() const
{
	return m_current_type == IconType::Builtin;
}
