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//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
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// @HEADER
#ifndef MUELU_MHDRAPFACTORY_DECL_HPP
#define MUELU_MHDRAPFACTORY_DECL_HPP

#include <string>

#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_MatrixFactory_fwd.hpp>
#include <Xpetra_Vector_fwd.hpp>
#include <Xpetra_VectorFactory_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_TwoLevelFactoryBase.hpp"
//#include "MueLu_MHDRAPFactory_fwd.hpp"

#include "MueLu_Level_fwd.hpp"
#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Utilities_fwd.hpp"

namespace MueLu {
  /*!
    @class MHDRAPFactory
    @brief Factory for building coarse matrices.
  */
  template <class Scalar = double, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class MHDRAPFactory : public TwoLevelFactoryBase {
#undef MUELU_MHDRAPFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"

  public:
    //! @name Constructors/Destructors.
    //@{

    MHDRAPFactory();

    virtual ~MHDRAPFactory() { }

    //@}

    //! @name Input
    //@{

    void DeclareInput(Level &fineLevel, Level &coarseLevel) const;

    //@}

    //! @name Build methods.
    //@{
    void Build(Level &fineLevel, Level &coarseLevel) const;
    //@}

    //! @name Handling of user-defined transfer factories
    //@{

    //! Indicate that the restriction operator action should be implicitly defined by the transpose of the prolongator.
    void SetImplicitTranspose(bool const &implicit) {
      implicitTranspose_ = implicit;
    }




    //@}

    //! @name internal print methods.
//    static std::string PerfUtils::PrintMatrixInfo(const Matrix & Ac, const std::string & msgTag);

    static std::string PrintLoadBalancingInfo(const Matrix & Ac, const std::string & msgTag);

  private:


    //! If true, the action of the restriction operator action is implicitly defined by the transpose of the prolongator.
    bool implicitTranspose_;



  }; //class MHDRAPFactory

} //namespace MueLu

#define MUELU_MHDRAPFACTORY_SHORT
#endif // MUELU_MHDRAPFACTORY_DECL_HPP
