/* 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 "BaseInstance.h"
#include <java/JavaVersion.h>
#include "minecraft/mod/Mod.h"
#include <QProcess>
#include <QDir>
#include "minecraft/launch/MinecraftServerTarget.h"

class ModFolderModel;
class WorldList;
class GameOptions;
class LaunchStep;
class PackProfile;

class MinecraftInstance : public BaseInstance
{
	Q_OBJECT
  public:
	MinecraftInstance(SettingsObjectPtr globalSettings,
					  SettingsObjectPtr settings, const QString& rootDir);
	virtual ~MinecraftInstance() {};
	virtual void saveNow() override;

	// FIXME: remove
	QString typeName() const override;
	// FIXME: remove
	QSet<QString> traits() const override;

	bool canEdit() const override
	{
		return true;
	}

	bool canExport() const override
	{
		return true;
	}

	////// Directories and files //////
	QString jarModsDir() const;
	QString resourcePacksDir() const;
	QString texturePacksDir() const;
	QString shaderPacksDir() const;
	QString modsRoot() const override;
	QString coreModsDir() const;
	QString modsCacheLocation() const;
	QString libDir() const;
	QString worldDir() const;
	QString resourcesDir() const;
	QDir jarmodsPath() const;
	QDir librariesPath() const;
	QDir versionsPath() const;
	QString instanceConfigFolder() const override;

	// Path to the instance's minecraft directory.
	QString gameRoot() const override;

	// Path to the instance's minecraft bin directory.
	QString binRoot() const;

	// where to put the natives during/before launch
	QString getNativePath() const;

	// where the instance-local libraries should be
	QString getLocalLibraryPath() const;

	//////  Profile management //////
	std::shared_ptr<PackProfile> getPackProfile() const;

	//////  Mod Lists  //////
	std::shared_ptr<ModFolderModel> loaderModList() const;
	std::shared_ptr<ModFolderModel> coreModList() const;
	std::shared_ptr<ModFolderModel> resourcePackList() const;
	std::shared_ptr<ModFolderModel> texturePackList() const;
	std::shared_ptr<ModFolderModel> shaderPackList() const;
	std::shared_ptr<WorldList> worldList() const;
	std::shared_ptr<GameOptions> gameOptionsModel() const;

	//////  Launch stuff //////
	Task::Ptr createUpdateTask(Net::Mode mode) override;
	shared_qobject_ptr<LaunchTask>
	createLaunchTask(AuthSessionPtr account,
					 MinecraftServerTargetPtr serverToJoin) override;
	QStringList extraArguments() const override;
	QStringList
	verboseDescription(AuthSessionPtr session,
					   MinecraftServerTargetPtr serverToJoin) override;
	QList<Mod> getJarMods() const;
	QString createLaunchScript(AuthSessionPtr session,
							   MinecraftServerTargetPtr serverToJoin);
	/// get arguments passed to java
	QStringList javaArguments() const;

	/// get variables for launch command variable substitution/environment
	QMap<QString, QString> getVariables() const override;

	/// create an environment for launching processes
	QProcessEnvironment createEnvironment() override;

	/// guess log level from a line of minecraft log
	MessageLevel::Enum guessLevel(const QString& line,
								  MessageLevel::Enum level) override;

	IPathMatcher::Ptr getLogFileMatcher() override;

	QString getLogFileRoot() override;

	QString getStatusbarDescription() override;

	// FIXME: remove
	virtual QStringList getClassPath() const;
	// FIXME: remove
	virtual QStringList getNativeJars() const;
	// FIXME: remove
	virtual QString getMainClass() const;

	// FIXME: remove
	virtual QStringList
	processMinecraftArgs(AuthSessionPtr account,
						 MinecraftServerTargetPtr serverToJoin) const;

	virtual JavaVersion getJavaVersion() const;

  protected:
	QMap<QString, QString>
	createCensorFilterFromSession(AuthSessionPtr session);
	QStringList validLaunchMethods();
	QString launchMethod();

  protected: // data
	std::shared_ptr<PackProfile> m_components;
	mutable std::shared_ptr<ModFolderModel> m_loader_mod_list;
	mutable std::shared_ptr<ModFolderModel> m_core_mod_list;
	mutable std::shared_ptr<ModFolderModel> m_resource_pack_list;
	mutable std::shared_ptr<ModFolderModel> m_shader_pack_list;
	mutable std::shared_ptr<ModFolderModel> m_texture_pack_list;
	mutable std::shared_ptr<WorldList> m_world_list;
	mutable std::shared_ptr<GameOptions> m_game_options;
};

typedef std::shared_ptr<MinecraftInstance> MinecraftInstancePtr;