/* 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/>.
 */

#include "JProfiler.h"

#include <QDir>

#include "settings/SettingsObject.h"
#include "launch/LaunchTask.h"
#include "BaseInstance.h"

class JProfiler : public BaseProfiler
{
	Q_OBJECT
  public:
	JProfiler(SettingsObjectPtr settings, InstancePtr instance,
			  QObject* parent = 0);

  private slots:
	void profilerStarted();
	void profilerFinished(int exit, QProcess::ExitStatus status);

  protected:
	void beginProfilingImpl(shared_qobject_ptr<LaunchTask> process);

  private:
	int listeningPort = 0;
};

JProfiler::JProfiler(SettingsObjectPtr settings, InstancePtr instance,
					 QObject* parent)
	: BaseProfiler(settings, instance, parent)
{
}

void JProfiler::profilerStarted()
{
	emit readyToLaunch(tr("Listening on port: %1").arg(listeningPort));
}

void JProfiler::profilerFinished(int exit, QProcess::ExitStatus status)
{
	if (status == QProcess::CrashExit) {
		emit abortLaunch(tr("Profiler aborted"));
	}
	if (m_profilerProcess) {
		m_profilerProcess->deleteLater();
		m_profilerProcess = 0;
	}
}

void JProfiler::beginProfilingImpl(shared_qobject_ptr<LaunchTask> process)
{
	listeningPort = globalSettings->get("JProfilerPort").toInt();
	QProcess* profiler = new QProcess(this);
	QStringList profilerArgs = {"-d", QString::number(process->pid()), "--gui",
								"-p", QString::number(listeningPort)};
	auto basePath = globalSettings->get("JProfilerPath").toString();

#ifdef Q_OS_WIN
	QString profilerProgram =
		QDir(basePath).absoluteFilePath("bin/jpenable.exe");
#else
	QString profilerProgram = QDir(basePath).absoluteFilePath("bin/jpenable");
#endif

	profiler->setArguments(profilerArgs);
	profiler->setProgram(profilerProgram);

	connect(profiler, SIGNAL(started()), SLOT(profilerStarted()));
	connect(profiler, SIGNAL(finished(int, QProcess::ExitStatus)),
			SLOT(profilerFinished(int, QProcess::ExitStatus)));

	m_profilerProcess = profiler;
	profiler->start();
}

void JProfilerFactory::registerSettings(SettingsObjectPtr settings)
{
	settings->registerSetting("JProfilerPath");
	settings->registerSetting("JProfilerPort", 42042);
	globalSettings = settings;
}

BaseExternalTool* JProfilerFactory::createTool(InstancePtr instance,
											   QObject* parent)
{
	return new JProfiler(globalSettings, instance, parent);
}

bool JProfilerFactory::check(QString* error)
{
	return check(globalSettings->get("JProfilerPath").toString(), error);
}

bool JProfilerFactory::check(const QString& path, QString* error)
{
	if (path.isEmpty()) {
		*error = QObject::tr("Empty path");
		return false;
	}
	QDir dir(path);
	if (!dir.exists()) {
		*error = QObject::tr("Path does not exist");
		return false;
	}
	if (!dir.exists("bin") ||
		!(dir.exists("bin/jprofiler") || dir.exists("bin/jprofiler.exe")) ||
		!dir.exists("bin/agent.jar")) {
		*error = QObject::tr("Invalid JProfiler install");
		return false;
	}
	return true;
}

#include "JProfiler.moc"