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#include "qmlprofilerviewmanager.h"

#include "qmlprofilertraceview.h"
#include "qmlprofilerstatisticsview.h"
#include "qmlprofilertool.h"
#include "qmlprofilerstatemanager.h"
#include "qmlprofilermodelmanager.h"
#include "qmlprofilerstatewidget.h"

#include <coreplugin/icore.h>
#include <utils/qtcassert.h>
#include <utils/fancymainwindow.h>
#include <analyzerbase/analyzermanager.h>
#include <extensionsystem/pluginmanager.h>

#include <QDockWidget>

using namespace Analyzer;

namespace QmlProfiler {
namespace Internal {

class QmlProfilerViewManager::QmlProfilerViewManagerPrivate {
public:
    QmlProfilerViewManagerPrivate(QmlProfilerViewManager *qq) { Q_UNUSED(qq); }

    QDockWidget *timelineDock;
    QmlProfilerTraceView *traceView;
    QList<QmlProfilerEventsView *> eventsViews;
    QmlProfilerStateManager *profilerState;
    QmlProfilerModelManager *profilerModelManager;
    QmlProfilerEventsViewFactory *eventsViewFactory;
};

QmlProfilerViewManager::QmlProfilerViewManager(QObject *parent,
                                               QmlProfilerModelManager *modelManager,
                                               QmlProfilerStateManager *profilerState)
    : QObject(parent), d(new QmlProfilerViewManagerPrivate(this))
{
    setObjectName(QLatin1String("QML Profiler View Manager"));
    d->traceView = 0;
    d->profilerState = profilerState;
    d->profilerModelManager = modelManager;
    d->eventsViewFactory =
            ExtensionSystem::PluginManager::getObject<QmlProfilerEventsViewFactory>();
    createViews();
}

QmlProfilerViewManager::~QmlProfilerViewManager()
{
    delete d;
}

void QmlProfilerViewManager::createViews()
{
    QTC_ASSERT(d->profilerModelManager, return);
    QTC_ASSERT(d->profilerState, return);

    Utils::FancyMainWindow *mw = AnalyzerManager::mainWindow();

    d->traceView = new QmlProfilerTraceView(mw, this, d->profilerModelManager);
    d->traceView->setWindowTitle(tr("Timeline"));
    connect(d->traceView, &QmlProfilerTraceView::gotoSourceLocation,
            this, &QmlProfilerViewManager::gotoSourceLocation);
    connect(d->traceView, &QmlProfilerTraceView::typeSelected,
            this, &QmlProfilerViewManager::typeSelected);
    connect(this, &QmlProfilerViewManager::typeSelected,
            d->traceView, &QmlProfilerTraceView::selectByTypeId);
    d->timelineDock = AnalyzerManager::createDockWidget(Constants::QmlProfilerToolId, d->traceView);
    d->timelineDock->show();
    mw->splitDockWidget(mw->toolBarDockWidget(), d->timelineDock, Qt::Vertical);
    new QmlProfilerStateWidget(d->profilerState, d->profilerModelManager, d->traceView);

    d->eventsViews << new QmlProfilerStatisticsView(mw, d->profilerModelManager);
    if (d->eventsViewFactory)
        d->eventsViews.append(d->eventsViewFactory->create(mw, d->profilerModelManager));

    // Clear settings if the new views aren't there yet. Otherwise we get glitches
    QSettings *settings = Core::ICore::settings();
    settings->beginGroup(QLatin1String("AnalyzerViewSettings_") +
                         QLatin1String(QmlProfiler::Constants::QmlProfilerToolId));

    foreach (QmlProfilerEventsView *view, d->eventsViews) {
        view->setParent(mw);
        connect(view, &QmlProfilerEventsView::typeSelected,
                this, &QmlProfilerViewManager::typeSelected);
        connect(this, &QmlProfilerViewManager::typeSelected,
                view, &QmlProfilerEventsView::selectByTypeId);
        connect(d->profilerModelManager, &QmlProfilerModelManager::visibleFeaturesChanged,
                view, &QmlProfilerEventsView::onVisibleFeaturesChanged);
        connect(view, &QmlProfilerEventsView::gotoSourceLocation,
                this, &QmlProfilerViewManager::gotoSourceLocation);
        connect(view, &QmlProfilerEventsView::showFullRange,
                this, [this](){restrictEventsToRange(-1, -1);});
        QDockWidget *eventsDock = AnalyzerManager::createDockWidget(Constants::QmlProfilerToolId,
                                                                    view);
        eventsDock->show();
        mw->tabifyDockWidget(d->timelineDock, eventsDock);
        new QmlProfilerStateWidget(d->profilerState, d->profilerModelManager, view);

        if (!settings->contains(eventsDock->objectName()))
            settings->remove(QString());
    }

    settings->endGroup();
    d->timelineDock->raise();
}

bool QmlProfilerViewManager::hasValidSelection() const
{
    return d->traceView->hasValidSelection();
}

qint64 QmlProfilerViewManager::selectionStart() const
{
    return d->traceView->selectionStart();
}

qint64 QmlProfilerViewManager::selectionEnd() const
{
    return d->traceView->selectionEnd();
}

bool QmlProfilerViewManager::isEventsRestrictedToRange() const
{
    foreach (QmlProfilerEventsView *view, d->eventsViews) {
        if (view->isRestrictedToRange())
            return true;
    }
    return false;
}

void QmlProfilerViewManager::restrictEventsToRange(qint64 rangeStart, qint64 rangeEnd)
{
    foreach (QmlProfilerEventsView *view, d->eventsViews)
        view->restrictToRange(rangeStart, rangeEnd);
}

void QmlProfilerViewManager::raiseTimeline()
{
    d->timelineDock->raise();
    d->traceView->setFocus();
}

void QmlProfilerViewManager::clear()
{
    d->traceView->clear();
    foreach (QmlProfilerEventsView *view, d->eventsViews)
        view->clear();
}

} // namespace Internal
} // namespace QmlProfiler