/* 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 2020-2021 Jamie Mansfield <jmansfield@cadixdev.org>
 * Copyright 2021 Petr Mrazek <peterix@gmail.com>
 *
 * 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 <meta/VersionList.h>
#include "ATLPackManifest.h"

#include "InstanceTask.h"
#include "net/NetJob.h"
#include "settings/INISettingsObject.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "meta/Version.h"

#include <nonstd/optional>

namespace ATLauncher
{

	class UserInteractionSupport
	{

	  public:
		/**
		 * Requests a user interaction to select which optional mods should be
		 * installed.
		 */
		virtual QVector<QString>
		chooseOptionalMods(QVector<ATLauncher::VersionMod> mods) = 0;

		/**
		 * Requests a user interaction to select a component version from a
		 * given version list and constrained to a given Minecraft version.
		 */
		virtual QString chooseVersion(Meta::VersionListPtr vlist,
									  QString minecraftVersion) = 0;
	};

	class PackInstallTask : public InstanceTask
	{
		Q_OBJECT

	  public:
		explicit PackInstallTask(UserInteractionSupport* support, QString pack,
								 QString version);
		virtual ~PackInstallTask() {}

		bool canAbort() const override
		{
			return true;
		}
		bool abort() override;

	  protected:
		virtual void executeTask() override;

	  private slots:
		void onDownloadSucceeded();
		void onDownloadFailed(QString reason);

		void onModsDownloaded();
		void onModsExtracted();

	  private:
		QString getDirForModType(ModType type, QString raw);
		QString getVersionForLoader(QString uid);
		QString detectLibrary(VersionLibrary library);

		bool createLibrariesComponent(QString instanceRoot,
									  std::shared_ptr<PackProfile> profile);
		bool createPackComponent(QString instanceRoot,
								 std::shared_ptr<PackProfile> profile);

		void installConfigs();
		void extractConfigs();
		void downloadMods();
		bool extractMods(const QMap<QString, VersionMod>& toExtract,
						 const QMap<QString, VersionMod>& toDecomp,
						 const QMap<QString, QString>& toCopy);
		void install();

	  private:
		UserInteractionSupport* m_support;

		bool abortable = false;

		NetJob::Ptr jobPtr;
		QByteArray response;

		QString m_pack;
		QString m_version_name;
		PackVersion m_version;

		QMap<QString, VersionMod> modsToExtract;
		QMap<QString, VersionMod> modsToDecomp;
		QMap<QString, QString> modsToCopy;

		QString archivePath;
		QStringList jarmods;
		Meta::VersionPtr minecraftVersion;
		QMap<QString, Meta::VersionPtr> componentsToInstall;

		QFuture<nonstd::optional<QStringList>> m_extractFuture;
		QFutureWatcher<nonstd::optional<QStringList>> m_extractFutureWatcher;

		QFuture<bool> m_modExtractFuture;
		QFutureWatcher<bool> m_modExtractFutureWatcher;
	};

} // namespace ATLauncher