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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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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 "qmljstoolsplugin.h"
#include "qmljsmodelmanager.h"
#include "qmljsfunctionfilter.h"
#include "qmljslocatordata.h"
#include "qmljscodestylesettingspage.h"
#include "qmljstoolsconstants.h"
#include "qmljstoolssettings.h"

#include <extensionsystem/pluginmanager.h>

#include <coreplugin/icore.h>
#include <coreplugin/coreconstants.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/progressmanager/progressmanager.h>

#include <QtPlugin>
#include <QFileInfo>
#include <QDir>
#include <QDebug>
#include <QSettings>
#include <QMenu>

using namespace QmlJSTools::Internal;

enum { debug = 0 };

QmlJSToolsPlugin *QmlJSToolsPlugin::m_instance = 0;

QmlJSToolsPlugin::QmlJSToolsPlugin()
    : m_modelManager(0)
{
    m_instance = this;
}

QmlJSToolsPlugin::~QmlJSToolsPlugin()
{
    m_instance = 0;
    m_modelManager = 0; // deleted automatically
}

bool QmlJSToolsPlugin::initialize(const QStringList &arguments, QString *error)
{
    Q_UNUSED(arguments)
    Q_UNUSED(error)

    m_settings = new QmlJSToolsSettings(this); // force registration of qmljstools settings

    // Objects
    m_modelManager = new ModelManager(this);
//    Core::VCSManager *vcsManager = core->vcsManager();
//    Core::DocumentManager *fileManager = core->fileManager();
//    connect(vcsManager, SIGNAL(repositoryChanged(QString)),
//            m_modelManager, SLOT(updateModifiedSourceFiles()));
//    connect(fileManager, SIGNAL(filesChangedInternally(QStringList)),
//            m_modelManager, SLOT(updateSourceFiles(QStringList)));

    LocatorData *locatorData = new LocatorData;
    addAutoReleasedObject(locatorData);
    addAutoReleasedObject(new FunctionFilter(locatorData));
    addAutoReleasedObject(new QmlJSCodeStyleSettingsPage);

    // Menus
    Core::ActionContainer *mtools = Core::ActionManager::actionContainer(Core::Constants::M_TOOLS);
    Core::ActionContainer *mqmljstools = Core::ActionManager::createMenu(Constants::M_TOOLS_QMLJS);
    QMenu *menu = mqmljstools->menu();
    menu->setTitle(tr("&QML/JS"));
    menu->setEnabled(true);
    mtools->addMenu(mqmljstools);

    // Update context in global context
    m_resetCodeModelAction = new QAction(tr("Reset Code Model"), this);
    Core::Context globalContext(Core::Constants::C_GLOBAL);
    Core::Command *cmd = Core::ActionManager::registerAction(
                m_resetCodeModelAction, Core::Id(Constants::RESET_CODEMODEL), globalContext);
    connect(m_resetCodeModelAction, SIGNAL(triggered()), m_modelManager, SLOT(resetCodeModel()));
    mqmljstools->addAction(cmd);

    // watch task progress
    connect(Core::ICore::progressManager(), SIGNAL(taskStarted(QString)),
            this, SLOT(onTaskStarted(QString)));
    connect(Core::ICore::progressManager(), SIGNAL(allTasksFinished(QString)),
            this, SLOT(onAllTasksFinished(QString)));

    return true;
}

void QmlJSToolsPlugin::extensionsInitialized()
{
    m_modelManager->delayedInitialization();
}

ExtensionSystem::IPlugin::ShutdownFlag QmlJSToolsPlugin::aboutToShutdown()
{
    return SynchronousShutdown;
}

void QmlJSToolsPlugin::onTaskStarted(const QString &type)
{
    if (type == QmlJSTools::Constants::TASK_INDEX) {
        m_resetCodeModelAction->setEnabled(false);
    }
}

void QmlJSToolsPlugin::onAllTasksFinished(const QString &type)
{
    if (type == QmlJSTools::Constants::TASK_INDEX) {
        m_resetCodeModelAction->setEnabled(true);
    }
}

Q_EXPORT_PLUGIN(QmlJSToolsPlugin)