/* 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 <QProcess>
#include <QObjectPtr.h>
#include "LogModel.h"
#include "BaseInstance.h"
#include "MessageLevel.h"
#include "LoggedProcess.h"
#include "LaunchStep.h"

class LaunchTask : public Task
{
	Q_OBJECT
  protected:
	explicit LaunchTask(InstancePtr instance);
	void init();

  public:
	enum State { NotStarted, Running, Waiting, Failed, Aborted, Finished };

  public: /* methods */
	static shared_qobject_ptr<LaunchTask> create(InstancePtr inst);
	virtual ~LaunchTask() {};

	void appendStep(shared_qobject_ptr<LaunchStep> step);
	void prependStep(shared_qobject_ptr<LaunchStep> step);
	void setCensorFilter(QMap<QString, QString> filter);
	void setWrapperCommand(QString wrapperCommand);

	InstancePtr instance()
	{
		return m_instance;
	}

	QString wrapperCommand() const
	{
		return m_wrapperCommand;
	}

	void setPid(qint64 pid)
	{
		m_pid = pid;
	}

	qint64 pid()
	{
		return m_pid;
	}

	/**
	 * @brief prepare the process for launch (for multi-stage launch)
	 */
	virtual void executeTask() override;

	/**
	 * @brief launch the armed instance
	 */
	void proceed();

	/**
	 * @brief abort launch
	 */
	bool abort() override;

	bool canAbort() const override;

	shared_qobject_ptr<LogModel> getLogModel();

  public:
	QString substituteVariables(const QString& cmd) const;
	QString censorPrivateInfo(QString in);

  protected: /* methods */
	virtual void emitFailed(QString reason) override;
	virtual void emitSucceeded() override;

  signals:
	/**
	 * @brief emitted when the launch preparations are done
	 */
	void readyForLaunch();

	void requestProgress(Task* task);

	void requestLogging();

  public slots:
	void onLogLines(const QStringList& lines,
					MessageLevel::Enum defaultLevel = MessageLevel::MeshMC);
	void onLogLine(QString line,
				   MessageLevel::Enum defaultLevel = MessageLevel::MeshMC);
	void onReadyForLaunch();
	void onStepFinished();
	void onProgressReportingRequested();

  private: /*methods */
	void finalizeSteps(bool successful, const QString& error);

  protected: /* data */
	InstancePtr m_instance;
	shared_qobject_ptr<LogModel> m_logModel;
	QList<shared_qobject_ptr<LaunchStep>> m_steps;
	QMap<QString, QString> m_censorFilter;
	QString m_wrapperCommand;
	int currentStep = -1;
	State state = NotStarted;
	qint64 m_pid = -1;
};
