/* 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/>.
 */

#pragma once
#include <QAbstractProxyModel>
#include "BaseVersionList.h"

#include <Filter.h>

class VersionFilterModel;

class VersionProxyModel : public QAbstractProxyModel
{
	Q_OBJECT
  public:
	enum Column { Name, ParentVersion, Branch, Type, Architecture, Path, Time };
	typedef QHash<BaseVersionList::ModelRoles, std::shared_ptr<Filter>>
		FilterMap;

  public:
	VersionProxyModel(QObject* parent = 0);
	virtual ~VersionProxyModel() {};

	virtual int
	columnCount(const QModelIndex& parent = QModelIndex()) const override;
	virtual int
	rowCount(const QModelIndex& parent = QModelIndex()) const override;
	virtual QModelIndex
	mapFromSource(const QModelIndex& sourceIndex) const override;
	virtual QModelIndex
	mapToSource(const QModelIndex& proxyIndex) const override;
	virtual QModelIndex
	index(int row, int column,
		  const QModelIndex& parent = QModelIndex()) const override;
	virtual QVariant data(const QModelIndex& index,
						  int role = Qt::DisplayRole) const override;
	virtual QVariant headerData(int section, Qt::Orientation orientation,
								int role = Qt::DisplayRole) const override;
	virtual QModelIndex parent(const QModelIndex& child) const override;
	virtual void setSourceModel(QAbstractItemModel* sourceModel) override;

	const FilterMap& filters() const;
	void setFilter(const BaseVersionList::ModelRoles column, Filter* filter);
	void clearFilters();
	QModelIndex getRecommended() const;
	QModelIndex getVersion(const QString& version) const;
	void setCurrentVersion(const QString& version);
  private slots:

	void sourceDataChanged(const QModelIndex& source_top_left,
						   const QModelIndex& source_bottom_right);

	void sourceAboutToBeReset();
	void sourceReset();

	void sourceRowsAboutToBeInserted(const QModelIndex& parent, int first,
									 int last);
	void sourceRowsInserted(const QModelIndex& parent, int first, int last);

	void sourceRowsAboutToBeRemoved(const QModelIndex& parent, int first,
									int last);
	void sourceRowsRemoved(const QModelIndex& parent, int first, int last);

  private:
	QList<Column> m_columns;
	FilterMap m_filters;
	BaseVersionList::RoleList roles;
	VersionFilterModel* filterModel;
	bool hasRecommended = false;
	bool hasLatest = false;
	QString m_currentVersion;
};