/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2011-2012 Statoil ASA, Ceetron AS
// 
//  ResInsight is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
// 
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once
#include "cafPdmObject.h"
#include "cafAppEnum.h"

#include <QPointer>
#include <QString>

#include "RimCase.h"
#include "RimResultSlot.h"
#include "RimCellEdgeResultSlot.h"
#include "RimCellRangeFilter.h"
#include "RimCellRangeFilterCollection.h"
#include "RimCellPropertyFilter.h"
#include "RimCellPropertyFilterCollection.h"
#include "Rim3dOverlayInfoConfig.h"

#include "cvfMatrix4.h"
#include "cvfStructGridGeometryGenerator.h"
#include "cafPdmFieldCvfMat4d.h"

#include "RivReservoirViewPartMgr.h"
#include "RivReservoirPipesPartMgr.h"

class RiuViewer;
class RigGridBase;
class RigGridCellFaceVisibilityFilter;
class RivReservoirViewPartMgr;

namespace cvf
{
    class Transform;
    class ScalarMapperUniformLevels;
    class ModelBasicList;
}

enum ViewState
{
    GEOMETRY_ONLY,
    STATIC_RESULT,
    DYNAMIC_RESULT,
    CELL_FACE_COMBINED_RESULT
};

//==================================================================================================
///  
///  
//==================================================================================================
class RimReservoirView : public caf::PdmObject
{
    CAF_PDM_HEADER_INIT;
public:
    RimReservoirView(void);
    virtual ~RimReservoirView(void);

    enum MeshModeType
    {
        FULL_MESH,
        FAULTS_MESH,
        NO_MESH
    };

    enum SurfaceModeType
    {
        SURFACE,
        FAULTS,
        NO_SURFACE
    };

    // Fields containing child objects :

    caf::PdmField<RimResultSlot*>                       cellResult;
    caf::PdmField<RimCellEdgeResultSlot*>               cellEdgeResult;

    caf::PdmField<RimCellRangeFilterCollection*>        rangeFilterCollection;
    caf::PdmField<RimCellPropertyFilterCollection*>     propertyFilterCollection;

    caf::PdmField<RimWellCollection*>                   wellCollection;

    caf::PdmField<Rim3dOverlayInfoConfig*>              overlayInfoConfig;

    // Visualization setup fields

    caf::PdmField<QString>                              name;
    caf::PdmField<double>                               scaleZ;
    caf::PdmField<bool>                                 showWindow;

    caf::PdmField<bool>                                 showInvalidCells;
    caf::PdmField<bool>                                 showInactiveCells;
    caf::PdmField<bool>                                 showMainGrid;

    caf::PdmField< caf::AppEnum< MeshModeType > >       meshMode;
    caf::PdmField< caf::AppEnum< SurfaceModeType > >    surfaceMode;

    caf::PdmField< cvf::Color3f >                       backgroundColor;

    caf::PdmField<cvf::Mat4d>                           cameraPosition;

    caf::PdmField<int>                                  maximumFrameRate;
    caf::PdmField<bool>                                 animationMode;

    // Access internal objects
    RimReservoirCellResultsStorage*          currentGridCellResults();
    RigActiveCellInfo*                      currentActiveCellInfo();

    void                                    setEclipseCase(RimCase* reservoir);
    RimCase*                           eclipseCase();

    // Animation
    int                                     currentTimeStep()    { return m_currentTimeStep;}
    void                                    setCurrentTimeStep(int frameIdx);
    void                                    updateCurrentTimeStepAndRedraw();
    void                                    endAnimation();

    // 3D Viewer
    RiuViewer*                               viewer();
    void                                    updateViewerWidget();
    void                                    updateViewerWidgetWindowTitle();
    void                                    setDefaultView();

    // Picking info
    bool                                    pickInfo(size_t gridIndex, size_t cellIndex, const cvf::Vec3d& point, QString* pickInfoText) const;
    void                                    appendCellResultInfo(size_t gridIndex, size_t cellIndex, QString* resultInfoText) ;

    // Does this belong here, really ?
    void                                    calculateVisibleWellCellsIncFence(cvf::UByteArray* visibleCells, RigGridBase * grid);

    // Display model generation
public:
    void                                    loadDataAndUpdate();
    void                                    createDisplayModelAndRedraw();
    void                                    scheduleGeometryRegen(unsigned short geometryType);
    void                                    schedulePipeGeometryRegen();

    // Display model generation
private:
    void                                    createDisplayModel();
    void                                    updateDisplayModelVisibility();
    void                                    updateCurrentTimeStep();
    void                                    indicesToVisibleGrids(std::vector<size_t>* gridIndices);
    void                                    updateScaleTransform();
    void                                    updateStaticCellColors();
    void                                    updateStaticCellColors(unsigned short geometryType);
    void                                    updateLegends();

    cvf::ref<RivReservoirViewPartMgr>       m_geometry;
    cvf::ref<RivReservoirPipesPartMgr>      m_pipesPartManager;

    // Overridden PDM methods:
public:
    virtual caf::PdmFieldHandle*            userDescriptionField()  { return &name;}
    virtual void                            fieldChangedByUi(const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue);
protected:
    virtual void                            initAfterRead();
    virtual void                            setupBeforeSave();

    // Really private
private:
    void                                    syncronizeWellsWithResults();
    void                                    clampCurrentTimestep();

private:
    caf::PdmField<int>                      m_currentTimeStep;
    QPointer<RiuViewer>                      m_viewer;
    caf::PdmPointer<RimCase>           m_reservoir;


};