// SPDX-License-Identifier: GPL-3.0-only AND Apache-2.0
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
 *  ProjT Launcher - Minecraft Launcher
 *  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, version 3.
 *
 *  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, write to the Free Software Foundation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * === Upstream License Block (Do Not Modify) ==============================
 * 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.
 *
  ======================================================================== */

#pragma once

#include <QMetaType>
#include <QString>
#include <memory>

/*!
 * An abstract base class for versions.
 */
class BaseVersion
{
  public:
	using Ptr = std::shared_ptr<BaseVersion>;
	virtual ~BaseVersion()
	{}
	/*!
	 * A string used to identify this version in config files.
	 * This should be unique within the version list or shenanigans will occur.
	 */
	virtual QString descriptor() const = 0;

	/*!
	 * The name of this version as it is displayed to the user.
	 * For example: "1.5.1"
	 */
	virtual QString name() const = 0;

	/*!
	 * This should return a string that describes
	 * the kind of version this is (Stable, Beta, Snapshot, whatever)
	 */
	virtual QString typeString() const = 0;
	virtual bool operator<(BaseVersion& a) const
	{
		return name() < a.name();
	}
	virtual bool operator>(BaseVersion& a) const
	{
		return name() > a.name();
	}
};

Q_DECLARE_METATYPE(BaseVersion::Ptr)