/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   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.
 *
 *   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/>.
 *
 *  This file incorporates work covered by the following copyright and
 *  permission notice:
 *
 * Copyright 2015-2021 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 <QAbstractListModel>
#include <memory>

#include "BaseEntity.h"

class Task;

namespace Meta
{
	using VersionListPtr = std::shared_ptr<class VersionList>;
	using VersionPtr = std::shared_ptr<class Version>;

	class Index : public QAbstractListModel, public BaseEntity
	{
		Q_OBJECT
	  public:
		explicit Index(QObject* parent = nullptr);
		explicit Index(const QVector<VersionListPtr>& lists,
					   QObject* parent = nullptr);

		enum { UidRole = Qt::UserRole, NameRole, ListPtrRole };

		QVariant data(const QModelIndex& index, int role) const override;
		int rowCount(const QModelIndex& parent) const override;
		int columnCount(const QModelIndex& parent) const override;
		QVariant headerData(int section, Qt::Orientation orientation,
							int role) const override;

		QString localFilename() const override
		{
			return "index.json";
		}

		// queries
		VersionListPtr get(const QString& uid);
		VersionPtr get(const QString& uid, const QString& version);
		bool hasUid(const QString& uid) const;

		QVector<VersionListPtr> lists() const
		{
			return m_lists;
		}

	  public: // for usage by parsers only
		void merge(const std::shared_ptr<Index>& other);
		void parse(const QJsonObject& obj) override;

	  private:
		QVector<VersionListPtr> m_lists;
		QHash<QString, VersionListPtr> m_uids;

		void connectVersionList(const int row, const VersionListPtr& list);
	};
} // namespace Meta