/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) Statoil ASA
//  Copyright (C) Ceetron Solutions 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 "cvfObject.h"

#include "cvfCellRange.h"
#include "cvfStructGridGeometryGenerator.h"

namespace cvf
{
class StructGridInterface;
class ModelBasicList;
class Transform;
class Part;
} // namespace cvf

class RigNNCData;
class RigConnectionContainer;
class RigFault;

//==================================================================================================
///
///
//==================================================================================================

class RivFaultGeometryGenerator : public cvf::Object
{
public:
    RivFaultGeometryGenerator( const cvf::StructGridInterface* grid, const RigFault* fault, RigNNCData* nncData, bool computeNativeFaultFaces );
    ~RivFaultGeometryGenerator() override;

    void setCellVisibility( const cvf::UByteArray* cellVisibilities );

    // Mapping between cells and geometry

    const cvf::StructGridQuadToCellFaceMapper*    quadToCellFaceMapper() { return m_quadMapper.p(); }
    const cvf::StuctGridTriangleToCellFaceMapper* triangleToCellFaceMapper() { return m_triangleMapper.p(); }

    // Generated geometry
    cvf::ref<cvf::DrawableGeo> generateSurface( bool onlyShowFacesWithDefinedNeighbors );
    cvf::ref<cvf::DrawableGeo> createMeshDrawable();
    cvf::ref<cvf::DrawableGeo> createOutlineMeshDrawable( double creaseAngle );

private:
    void computeArrays( bool onlyShowFacesWithDefinedNeighbors );

    bool hasConnection( size_t                             cellIdx,
                        cvf::StructGridInterface::FaceType face,
                        const RigConnectionContainer&      conns,
                        const std::vector<size_t>&         nncConnectionIndices );

private:
    // Input
    cvf::cref<cvf::StructGridInterface> m_grid;
    cvf::cref<RigFault>                 m_fault;
    cvf::cref<cvf::UByteArray>          m_cellVisibility;
    cvf::ref<RigNNCData>                m_nncData;

    bool m_computeNativeFaultFaces;

    // Created arrays
    cvf::ref<cvf::Vec3fArray> m_vertices;

    // Mappings
    std::vector<size_t>                             m_quadsToGridCells;
    std::vector<cvf::StructGridInterface::FaceType> m_quadsToFace;

    cvf::ref<cvf::StructGridQuadToCellFaceMapper>    m_quadMapper;
    cvf::ref<cvf::StuctGridTriangleToCellFaceMapper> m_triangleMapper;
};