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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
 *  ProjT Launcher - Minecraft Launcher
 *  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, version 3.
 *
 *  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, write to the Free Software Foundation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
/* === Upstream License Block (Do Not Modify) ==============================
 *
 *  Prism Launcher - Minecraft Launcher
 *  Copyright (C) 2022,2023 Sefa Eyeoglu <contact@scrumplex.net>
 *
 *  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, version 3.
 *
 *  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, write to the Free Software Foundation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * 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 <QProcess>
#include <QStringConverter>
#include <QStringDecoder>
#include "MessageLevel.h"

/*
 * This is a basic process.
 * It has line-based logging support and hides some of the nasty bits.
 */
class LoggedProcess : public QProcess
{
	Q_OBJECT
  public:
	enum State
	{
		NotRunning,
		Starting,
		FailedToStart,
		Running,
		Finished,
		Crashed,
		Aborted
	};

  public:
	explicit LoggedProcess(QStringConverter::Encoding encoding = QStringConverter::System, QObject* parent = nullptr);
	virtual ~LoggedProcess();

	State state() const;
	int exitCode() const;

	void setDetachable(bool detachable);

  signals:
	void log(QStringList lines, MessageLevel::Enum level);
	void stateChanged(LoggedProcess::State state);

  public slots:
	/**
	 * @brief kill the process - equivalent to kill -9
	 */
	void kill();

  private slots:
	void on_stdErr();
	void on_stdOut();
	void on_exit(int exit_code, QProcess::ExitStatus status);
	void on_error(QProcess::ProcessError error);
	void on_stateChange(QProcess::ProcessState);

  private:
	void changeState(LoggedProcess::State state);

	QStringList reprocess(const QByteArray& data, QStringDecoder& decoder);

  private:
	QStringDecoder m_err_decoder;
	QStringDecoder m_out_decoder;
	QString m_leftover_line;
	bool m_killed		 = false;
	State m_state		 = NotRunning;
	int m_exit_code		 = 0;
	bool m_is_aborting	 = false;
	bool m_is_detachable = false;
};