UMaterial* TryAddMaterial(TMap<FString, UMaterial*>& Materials,const FString Name, UMaterialFactoryNew* MaterialFactory)
{
    if (!Materials.Contains(Name))
    {
        UPackage* Package = CreatePackage(*(FString::Printf(TEXT("/Game/%s"), *Name)));
        UObject* NewMat = MaterialFactory->FactoryCreateNew(MaterialFactory->SupportedClass, Package, *Name, EObjectFlags::RF_Standalone | EObjectFlags::RF_Public, nullptr, GWarn);
        UMaterial* Material = Cast<UMaterial>(NewMat);
        Materials.Add(Name, Material);
        return Material;
    }
    return Materials[Name];
}


bool FMyPluginModule::Exec(UWorld* InWorld, const TCHAR* Cmd, FOutputDevice& Ar)
{
    if (FParse::Command(&Cmd, TEXT("Ex")))
    {
        FString Param;
        if (FParse::Value(Cmd, TEXT("Path"), Param))
        {
            TArray<FString> FoundFiles = TArray<FString>();
            FFileManagerGeneric FileManager = FFileManagerGeneric();
            FileManager.FindFilesRecursive(FoundFiles, *Param, TEXT("*.png"), true, true, true);
            FString BaseColor = "_BaseColor";
            FString Normal = "_Normal";
            FString ORM = "_OcclusionRoughnessMetallic";
            FString Emissive = "_Emissive";
            FString FileName;
            TArray<UObject*> Imported = ImportTexture(FoundFiles);
            TMap<FString,UMaterial*> Materials;
            UMaterialFactoryNew* MatFactory = NewObject<UMaterialFactoryNew>();
            for (UObject* Texture : Imported)
            {
                FileName = Texture->GetName();
                //UE_LOG(LogTemp, Warning, TEXT("%s"), *Path);

                if (FileName.Contains(BaseColor))
                {
                    FString Name;
                    FileName.Split(BaseColor, &Name, nullptr);
                    UMaterial* Material = TryAddMaterial(Materials, Name, MatFactory);

                    Material->Modify(); //Start modify material
                    UMaterialExpressionTextureSample* TextureExpression = NewObject<UMaterialExpressionTextureSample>(Material);
                    TextureExpression->Texture  = Cast<UTexture>(Texture);
                    Material->Expressions.Add(TextureExpression);
                    Material->BaseColor.Expression = TextureExpression;
                    Material->PostEditChange();
                    Material->MarkPackageDirty();
                }
                if (FileName.Contains(Normal))
                {
                    FString Name;
                    FileName.Split(Normal, &Name, nullptr);
                    UMaterial* Material = TryAddMaterial(Materials, Name, MatFactory);

                    Material->Modify(); //Start modify material
                    UMaterialExpressionTextureSample* TextureExpression = NewObject<UMaterialExpressionTextureSample>(Material);
                    TextureExpression->Texture = Cast<UTexture>(Texture);
                    Material->Expressions.Add(TextureExpression);
                    Material->Normal.Expression = TextureExpression;
                    Material->PostEditChange();
                    Material->MarkPackageDirty();
                }
                //if (FileName.Contains(ORM))
                //{
                //  //capire come collegare i parametri separati
                //  FString Name;
                //  FileName.Split(ORM, &Name, nullptr);
                //  UMaterial* Material = TryAddMaterial(Materials, Name, MatFactory);

                //  Material->Modify(); //Start modify material
                //  UMaterialExpressionTextureSample* TextureExpression = NewObject<UMaterialExpressionTextureSample>(Material);
                //  TextureExpression->Texture = Cast<UTexture>(Texture);
                //  Material->Expressions.Add(TextureExpression);
                //  Material->AmbientOcclusion.Expression = TextureExpression;
                //  Material->AmbientOcclusion.MaskR = 1;
                //  Material->AmbientOcclusion.MaskG = 0;
                //  Material->AmbientOcclusion.MaskB = 0;
                //  Material->AmbientOcclusion.MaskA = 0;
                //  Material->PostEditChange();
                //  Material->MarkPackageDirty();
                //}
                //if (FileName.Contains(Emissive))
                //{
                //  FString Name;
                //  FileName.Split(Emissive, &Name, nullptr);
                //  UMaterial* Material = TryAddMaterial(Materials, Name, MatFactory);

                //  Material->Modify(); //Start modify material
                //  UMaterialExpressionTextureSample* TextureExpression = NewObject<UMaterialExpressionTextureSample>(Material);
                //  TextureExpression->Texture = Cast<UTexture>(Texture);
                //  Material->Expressions.Add(TextureExpression);
                //  Material->EmissiveColor.Expression = TextureExpression;
                //  Material->PostEditChange();
                //  Material->MarkPackageDirty();
                //}
            }
        }
    }