/* 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.
 */

#pragma once

#include <QWidget>
#include <QTreeView>
#include <QTextBrowser>

#include "ui/pages/BasePage.h"
#include <Application.h>
#include "tasks/Task.h"
#include "modplatform/legacy_ftb/PackHelpers.h"
#include "modplatform/legacy_ftb/PackFetchTask.h"
#include "QObjectPtr.h"

class NewInstanceDialog;

namespace LegacyFTB
{

	namespace Ui
	{
		class Page;
	}

	class ListModel;
	class FilterModel;
	class PrivatePackListModel;
	class PrivatePackFilterModel;
	class PrivatePackManager;

	class Page : public QWidget, public BasePage
	{
		Q_OBJECT

	  public:
		explicit Page(NewInstanceDialog* dialog, QWidget* parent = 0);
		virtual ~Page();
		QString displayName() const override
		{
			return tr("FTB Legacy");
		}
		QIcon icon() const override
		{
			return APPLICATION->getThemedIcon("ftb_logo");
		}
		QString id() const override
		{
			return "legacy_ftb";
		}
		QString helpPage() const override
		{
			return "FTB-platform";
		}
		bool shouldDisplay() const override;
		void openedImpl() override;

	  private:
		void suggestCurrent();
		void onPackSelectionChanged(Modpack* pack = nullptr);

	  private slots:
		void ftbPackDataDownloadSuccessfully(ModpackList publicPacks,
											 ModpackList thirdPartyPacks);
		void ftbPackDataDownloadFailed(QString reason);

		void ftbPrivatePackDataDownloadSuccessfully(Modpack pack);
		void ftbPrivatePackDataDownloadFailed(QString reason, QString packCode);

		void onSortingSelectionChanged(QString data);
		void onVersionSelectionItemChanged(QString data);

		void onPublicPackSelectionChanged(QModelIndex first,
										  QModelIndex second);
		void onThirdPartyPackSelectionChanged(QModelIndex first,
											  QModelIndex second);
		void onPrivatePackSelectionChanged(QModelIndex first,
										   QModelIndex second);

		void onTabChanged(int tab);

		void onAddPackClicked();
		void onRemovePackClicked();

	  private:
		FilterModel* currentModel = nullptr;
		QTreeView* currentList = nullptr;
		QTextBrowser* currentModpackInfo = nullptr;

		bool initialized = false;
		Modpack selected;
		QString selectedVersion;

		ListModel* publicListModel = nullptr;
		FilterModel* publicFilterModel = nullptr;

		ListModel* thirdPartyModel = nullptr;
		FilterModel* thirdPartyFilterModel = nullptr;

		ListModel* privateListModel = nullptr;
		FilterModel* privateFilterModel = nullptr;

		unique_qobject_ptr<PackFetchTask> ftbFetchTask;
		std::unique_ptr<PrivatePackManager> ftbPrivatePacks;

		NewInstanceDialog* dialog = nullptr;

		Ui::Page* ui = nullptr;
	};

} // namespace LegacyFTB
