/**
 * \file
 * \copyright
 * Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
 *            Distributed under a Modified BSD License.
 *              See accompanying file LICENSE.txt or
 *              http://www.opengeosys.org/project/license
 *
 */

#pragma once

#include <vector>

#include "NumLib/Extrapolation/ExtrapolatableElement.h"
#include "ProcessLib/LocalAssemblerInterface.h"

namespace ProcessLib
{
namespace PhaseField
{
struct PhaseFieldLocalAssemblerInterface
    : public ProcessLib::LocalAssemblerInterface,
      public NumLib::ExtrapolatableElement
{
    virtual std::vector<double> const& getIntPtSigma(
        const double t,
        std::vector<GlobalVector*> const& x,
        std::vector<NumLib::LocalToGlobalIndexMap const*> const& dof_table,
        std::vector<double>& cache) const = 0;

    virtual std::vector<double> const& getIntPtEpsilon(
        const double t,
        std::vector<GlobalVector*> const& x,
        std::vector<NumLib::LocalToGlobalIndexMap const*> const& dof_table,
        std::vector<double>& cache) const = 0;

    virtual void computeCrackIntegral(
        std::size_t mesh_item_id,
        std::vector<
            std::reference_wrapper<NumLib::LocalToGlobalIndexMap>> const&
            dof_tables,
        GlobalVector const& x, double const t, double& crack_volume,
        CoupledSolutionsForStaggeredScheme const* const cpl_xs) = 0;

    virtual void computeEnergy(
        std::size_t mesh_item_id,
        std::vector<
            std::reference_wrapper<NumLib::LocalToGlobalIndexMap>> const&
            dof_tables,
        GlobalVector const& x, double const t, double& elastic_energy,
        double& surface_energy, double& pressure_work,
        CoupledSolutionsForStaggeredScheme const* const cpl_xs) = 0;
};

}  // namespace PhaseField
}  // namespace ProcessLib