/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://www.qt.io/licensing.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "localqmlprofilerrunner.h"
#include "qmlprofilerplugin.h"
#include "qmlprofilerengine.h"

#include <analyzerbase/analyzerstartparameters.h>
#include <projectexplorer/runconfiguration.h>
#include <projectexplorer/localapplicationrunconfiguration.h>
#include <projectexplorer/environmentaspect.h>

using namespace QmlProfiler;
using namespace QmlProfiler::Internal;
using namespace ProjectExplorer;

LocalQmlProfilerRunner *LocalQmlProfilerRunner::createLocalRunner(
        RunConfiguration *runConfiguration,
        const Analyzer::AnalyzerStartParameters &sp,
        QString *errorMessage,
        QmlProfilerRunControl *engine)
{
    LocalApplicationRunConfiguration *larc =
                   qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
    QTC_ASSERT(larc, return 0);
    ProjectExplorer::EnvironmentAspect *environment
            = runConfiguration->extraAspect<ProjectExplorer::EnvironmentAspect>();
    QTC_ASSERT(environment, return 0);
    Configuration conf;
    conf.executable = larc->executable();
    conf.executableArguments = larc->commandLineArguments();
    conf.workingDirectory = larc->workingDirectory();
    conf.environment = environment->environment();

    conf.port = sp.analyzerPort;

    if (conf.executable.isEmpty()) {
        if (errorMessage)
            *errorMessage = tr("No executable file to launch.");
        return 0;
    }
    return new LocalQmlProfilerRunner(conf, engine);
}

LocalQmlProfilerRunner::LocalQmlProfilerRunner(const Configuration &configuration,
                                               QmlProfilerRunControl *engine) :
    AbstractQmlProfilerRunner(engine),
    m_configuration(configuration),
    m_engine(engine)
{
    connect(&m_launcher, SIGNAL(appendMessage(QString,Utils::OutputFormat)),
            this, SIGNAL(appendMessage(QString,Utils::OutputFormat)));
}

LocalQmlProfilerRunner::~LocalQmlProfilerRunner()
{
    disconnect();
}

void LocalQmlProfilerRunner::start()
{
    if (m_engine->mode() != Analyzer::StartLocal)
        return;

    QString arguments = QString::fromLatin1("-qmljsdebugger=port:%1,block").arg(m_configuration.port);

    if (!m_configuration.executableArguments.isEmpty())
        arguments += QLatin1Char(' ') + m_configuration.executableArguments;

    if (QmlProfilerPlugin::debugOutput)
        qWarning("QmlProfiler: Launching %s:%d", qPrintable(m_configuration.executable),
                 m_configuration.port);

    m_launcher.setWorkingDirectory(m_configuration.workingDirectory);
    m_launcher.setEnvironment(m_configuration.environment);
    connect(&m_launcher, SIGNAL(processExited(int,QProcess::ExitStatus)),
            this, SLOT(spontaneousStop(int,QProcess::ExitStatus)));
    m_launcher.start(ProjectExplorer::ApplicationLauncher::Gui, m_configuration.executable,
                     arguments);

    emit started();
}

void LocalQmlProfilerRunner::spontaneousStop(int exitCode, QProcess::ExitStatus status)
{
    if (QmlProfilerPlugin::debugOutput) {
        if (status == QProcess::CrashExit)
            qWarning("QmlProfiler: Application crashed.");
        else
            qWarning("QmlProfiler: Application exited (exit code %d).", exitCode);
    }

    disconnect(&m_launcher, SIGNAL(processExited(int,QProcess::ExitStatus)),
               this, SLOT(spontaneousStop(int,QProcess::ExitStatus)));

    emit stopped();
}

void LocalQmlProfilerRunner::stop()
{
    if (m_engine->mode() != Analyzer::StartLocal)
        return;

    if (QmlProfilerPlugin::debugOutput)
        qWarning("QmlProfiler: Stopping application ...");

    if (m_launcher.isRunning())
        m_launcher.stop();
}

quint16 LocalQmlProfilerRunner::debugPort() const
{
    return m_configuration.port;
}