#include "JProfiler.h"

#include <QDir>
#include <QMessageBox>

#include "settings/SettingsObject.h"
#include "BaseProcess.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(BaseProcess *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(BaseProcess *process)
{
	listeningPort = globalSettings->get("JProfilerPort").toInt();
	QProcess *profiler = new QProcess(this);
	QStringList profilerArgs =
	{
		"-d", QString::number(pid(process)),
		"--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"
