/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2017 OpenFOAM Foundation
    Copyright (C) 2016 OpenCFD Ltd
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "greyDiffusiveViewFactorFixedValueFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "radiationModel.H"
#include "viewFactor.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
greyDiffusiveViewFactorFixedValueFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(p, iF),
    qro_()
{}


Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
greyDiffusiveViewFactorFixedValueFvPatchScalarField
(
    const greyDiffusiveViewFactorFixedValueFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchScalarField(ptf, p, iF, mapper),
    qro_(ptf.qro_, mapper)
{}


Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
greyDiffusiveViewFactorFixedValueFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchScalarField(p, iF, dict, false),
    qro_("qro", dict, p.size())
{
    if (dict.found("value"))
    {
        fvPatchScalarField::operator=
        (
            scalarField("value", dict, p.size())
        );

    }
    else
    {
         fvPatchScalarField::operator=(0.0);
    }
}


Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
greyDiffusiveViewFactorFixedValueFvPatchScalarField
(
    const greyDiffusiveViewFactorFixedValueFvPatchScalarField& ptf
)
:
    fixedValueFvPatchScalarField(ptf),
    qro_(ptf.qro_)
{}


Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
greyDiffusiveViewFactorFixedValueFvPatchScalarField
(
    const greyDiffusiveViewFactorFixedValueFvPatchScalarField& ptf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(ptf, iF),
    qro_(ptf.qro_)
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
autoMap
(
    const fvPatchFieldMapper& m
)
{
    fixedValueFvPatchScalarField::autoMap(m);
    qro_.autoMap(m);
}


void Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::rmap
(
    const fvPatchScalarField& ptf,
    const labelList& addr
)
{
    fixedValueFvPatchScalarField::rmap(ptf, addr);

    const greyDiffusiveViewFactorFixedValueFvPatchScalarField& mrptf =
        refCast<const greyDiffusiveViewFactorFixedValueFvPatchScalarField>(ptf);

    qro_.rmap(mrptf.qro_, addr);
}


void Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
updateCoeffs()
{
    if (this->updated())
    {
        return;
    }

    if (debug)
    {
        scalar Q = gSum((*this)*patch().magSf());

        Info<< patch().boundaryMesh().mesh().name() << ':'
            << patch().name() << ':'
            << this->internalField().name() << " <- "
            << " heat transfer rate:" << Q
            << " wall radiative heat flux "
            << " min:" << gMin(*this)
            << " max:" << gMax(*this)
            << " avg:" << gAverage(*this)
            << endl;
    }
}


Foam::tmp<Foam::scalarField> Foam::radiation::
greyDiffusiveViewFactorFixedValueFvPatchScalarField::qro(label bandI) const
{
    tmp<scalarField> tqrt(new scalarField(qro_));

    const viewFactor& radiation =
        db().lookupObject<viewFactor>("radiationProperties");

    if (radiation.useSolarLoad())
    {
        tqrt.ref() += patch().lookupPatchField<volScalarField, scalar>
        (
            radiation.primaryFluxName_ + "_"  + name(bandI)
        );

        word qSecName = radiation.relfectedFluxName_ + "_" + name(bandI);

        if (this->db().foundObject<volScalarField>(qSecName))
        {
            const volScalarField& qSec =
                this->db().lookupObject<volScalarField>(qSecName);

            tqrt.ref() += qSec.boundaryField()[patch().index()];
        }
    }

    return tqrt;
}


void Foam::radiation::greyDiffusiveViewFactorFixedValueFvPatchScalarField::
write
(
    Ostream& os
) const
{
    fixedValueFvPatchScalarField::write(os);
    qro_.writeEntry("qro", os);
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace radiation
{
    makePatchTypeField
    (
        fvPatchScalarField,
        greyDiffusiveViewFactorFixedValueFvPatchScalarField
    );
}
}


// ************************************************************************* //
