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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of Qt Creator.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

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

#include <analyzerbase/analyzerstartparameters.h>
#include <projectexplorer/runconfiguration.h>
#include <qmlprojectmanager/qmlprojectrunconfiguration.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,
        QmlProfilerEngine *engine)
{
    QmlProjectManager::QmlProjectRunConfiguration *rc1 =
                qobject_cast<QmlProjectManager::QmlProjectRunConfiguration *>(runConfiguration);
    LocalApplicationRunConfiguration *rc2 =
                   qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
    QTC_ASSERT(rc1 || rc2, return 0);
    ProjectExplorer::EnvironmentAspect *environment
            = runConfiguration->extraAspect<ProjectExplorer::EnvironmentAspect>();
    QTC_ASSERT(environment, return 0);
    Configuration conf;
    if (rc1) {
        // This is a "plain" .qmlproject.
        conf.executable = rc1->observerPath();
        conf.executableArguments = rc1->viewerArguments();
        conf.workingDirectory = rc1->workingDirectory();
        conf.environment = environment->environment();
    } else {
        // FIXME: Check.
        conf.executable = rc2->executable();
        conf.executableArguments = rc2->commandLineArguments();
        conf.workingDirectory = rc2->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,
                                               QmlProfilerEngine *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::StartQml)
        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)), this, SLOT(spontaneousStop(int)));
    m_launcher.start(ProjectExplorer::ApplicationLauncher::Gui, m_configuration.executable,
                     arguments);

    emit started();
}

void LocalQmlProfilerRunner::spontaneousStop(int exitCode)
{
    if (QmlProfilerPlugin::debugOutput)
        qWarning("QmlProfiler: Application exited (exit code %d).", exitCode);

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

    emit stopped();
}

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

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

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

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