MeshGmsh.h

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#pragma once

#include "nuto/mechanics/mesh/MeshFem.h"
#include "nuto/base/Group.h"
#include <string>
#include <map>
#include <unordered_map>

struct GmshFileContent;

namespace NuTo
{

class MeshGmsh
{
public:
    MeshGmsh() = delete;

    MeshGmsh(const MeshGmsh&) = delete;

    MeshGmsh(MeshGmsh&&) = default;

    MeshGmsh& operator=(const MeshGmsh&) = delete;

    MeshGmsh& operator=(MeshGmsh&&) = default;

    ~MeshGmsh() = default;

    explicit MeshGmsh(const std::string& fileName);

    const NuTo::Group<ElementCollectionFem>& GetPhysicalGroup(std::string physicalName) const;


    const NuTo::Group<ElementCollectionFem>& GetPhysicalGroup(int physicalGroupId) const;

    MeshFem& GetMeshFEM()
    {
        return mMesh;
    }

private:
    void AddElementToPhysicalGroup(const GmshFileContent& fileContent, ElementCollectionFem& rElement,
                                   int physicalGroupId);

    std::unordered_map<int, NodeSimple*> CreateNodes(const GmshFileContent& fileContent);

    void CreateElements(const GmshFileContent& fileContent, const std::unordered_map<int, NodeSimple*>& nodePtrs);

    void CreateMesh(const GmshFileContent& fileContent);

    void ReadGmshFile(const std::string& fileName);

    MeshFem mMesh;

    std::map<int, Group<ElementCollectionFem>> mPhysicalGroups;

    std::map<std::string, Group<ElementCollectionFem>*> mNamedPhysicalGroups;
};
}