/*
 * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
 * 
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#ifndef ANNOTATIONS_DATA_VIEW
#define ANNOTATIONS_DATA_VIEW

#if !defined(Q_MOC_RUN)
#include <AzCore/base.h>
#include <AzCore/Memory/SystemAllocator.h>
#include <AzCore/std/containers/unordered_map.h>
#include <AzCore/std/containers/unordered_set.h>

#include <QWidget>
#endif

namespace Driller
{
    class AnnotationsProvider;
    class Annotation;
    class AnnotationHeaderView;
    /** Annotations Data View just shows the annotations that are available in a horizontal strip with indicators for easy clickability.
    */

    class AnnotationsDataView : public QWidget
    {
        Q_OBJECT;
    public:
        AZ_CLASS_ALLOCATOR(AnnotationsDataView, AZ::SystemAllocator, 0);
        AnnotationsDataView(QWidget* parent = nullptr);        
        virtual ~AnnotationsDataView();

        void RegisterAnnotationHeaderView(AnnotationHeaderView* header, AnnotationsProvider* annotations);
    
        int PositionToFrame( const QPoint &pt );

        float GetBarWidth();

        virtual void paintEvent( QPaintEvent *event );
        virtual void mouseMoveEvent( QMouseEvent *event );
        virtual void mousePressEvent( QMouseEvent *event );
        virtual void mouseReleaseEvent( QMouseEvent *event );

signals:
        void InformOfMouseOverAnnotation(const Annotation& annotation);
        void InformOfClickAnnotation(const Annotation& annotation);
    private:
        typedef AZStd::unordered_map<AZ::s64, QPainterPath> EventIndexToClickablePath;
        EventIndexToClickablePath m_ClickableAreas;
        AZStd::unordered_set<AZ::s64> m_eventsToHighlight;

        AnnotationsProvider *m_ptrAnnotations;
        AnnotationHeaderView *m_ptrHeaderView;
    };
}

#endif // ANNOTATIONS_DATA_VIEW