///////////////////////////////////////////////////////////////////////////////
//
// File: FentonKarma.h
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Fenton-Karma cell model
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_FENTONKARMA_H
#define NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_FENTONKARMA_H

#include <CardiacEPSolver/CellModels/CellModel.h>

namespace Nektar
{
class FentonKarma : public CellModel
{
public:
    /// Creates an instance of this class
    static CellModelSharedPtr create(
        const LibUtilities::SessionReaderSharedPtr &pSession,
        const MultiRegions::ExpListSharedPtr &pField)
    {
        return MemoryManager<FentonKarma>::AllocateSharedPtr(pSession, pField);
    }

    /// Name of class
    static std::string className;

    /// Constructor
    FentonKarma(const LibUtilities::SessionReaderSharedPtr &pSession,
                const MultiRegions::ExpListSharedPtr &pField);

    /// Destructor
    ~FentonKarma() override;

protected:
    /// Computes the reaction terms $f(u,v)$ and $g(u,v)$.
    void v_Update(const Array<OneD, const Array<OneD, NekDouble>> &inarray,
                  Array<OneD, Array<OneD, NekDouble>> &outarray,
                  const NekDouble time) override;

    /// Prints a summary of the model parameters.
    void v_GenerateSummary(SummaryList &s) override;

    void v_SetInitialConditions() override;

    std::string v_GetCellVarName(size_t idx) override;

private:
    NekDouble C_m;
    NekDouble V_0;
    NekDouble V_fi;
    NekDouble u_fi;
    NekDouble u_c;
    NekDouble u_v;
    NekDouble u_r;
    NekDouble g_fi_max;
    NekDouble tau_d;
    NekDouble tau_v1_minus;
    NekDouble tau_v2_minus;
    NekDouble tau_v_plus;
    NekDouble tau_0;
    NekDouble tau_r;
    NekDouble tau_si;
    NekDouble tau_y_plus;
    NekDouble tau_y_minus;
    NekDouble u_csi;
    NekDouble k1;
    NekDouble k2;
    NekDouble tau_w_minus;
    NekDouble tau_w_plus;

    bool isCF3;

    enum Variants
    {
        eBR,
        eMBR,
        eMLR1,
        eGP,
        eCF1,
        eCF2a,
        eCF2b,
        eCF2c,
        eCF3a,
        eCF3b,
        eFC2002Set1a,
        eFC2002Set1b,
        eFC2002Set1c,
        eFC2002Set1d,
        eFC2002Set1e,
        eFC2002Set2,
        eFC2002Set4a,
        eFC2002Set4b,
        eFC2002Set4c,
        eFC2002Set4d,
        eFC2002Set5,
        eFC2002Set6,
        eFC2002Set7,
        eFC2002Set8,
        eFC2002Set9,
        eLawson,
        eCAF
    };
    enum Variants model_variant;

    static std::string lookupIds[];
    static std::string def;
};

} // namespace Nektar

#endif
