/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2013-2016 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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 "cyclicACMIPointPatchField.H"
#include "Swap.H"
#include "transformField.H"
#include "pointFields.H"

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

template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF
)
:
    coupledPointPatchField<Type>(p, iF),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const dictionary& dict
)
:
    coupledPointPatchField<Type>(p, iF, dict),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{
    if (!isType<cyclicACMIPointPatch>(p))
    {
        FatalIOErrorInFunction
        (
            dict
        )   << "patch " << this->patch().index() << " not cyclicACMI type. "
            << "Patch type = " << p.type()
            << exit(FatalIOError);
    }
}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const cyclicACMIPointPatchField<Type>& ptf,
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const pointPatchFieldMapper& mapper
)
:
    coupledPointPatchField<Type>(ptf, p, iF, mapper),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{
    if (!isType<cyclicACMIPointPatch>(this->patch()))
    {
        FatalErrorInFunction
            << "Field type does not correspond to patch type for patch "
            << this->patch().index() << "." << endl
            << "Field type: " << typeName << endl
            << "Patch type: " << this->patch().type()
            << exit(FatalError);
    }
}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const cyclicACMIPointPatchField<Type>& ptf,
    const DimensionedField<Type, pointMesh>& iF
)
:
    coupledPointPatchField<Type>(ptf, iF),
    cyclicACMIPatch_(ptf.cyclicACMIPatch_),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{}


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

template<class Type>
void Foam::cyclicACMIPointPatchField<Type>::swapAddSeparated
(
    const Pstream::commsTypes,
    Field<Type>& pField
) const
{
//     if (cyclicACMIPatch_.cyclicACMIPatch().owner())
//     {
//         // We inplace modify pField. To prevent the other side (which gets
//         // evaluated at a later date) using already changed values we do
//         // all swaps on the side that gets evaluated first.
// 
// 
//         // Get neighbouring pointPatch
//         const cyclicACMIPointPatch& nbrPatch = cyclicACMIPatch_.neighbPatch();
// 
//         // Get neighbouring pointPatchField
//         const GeometricField<Type, pointPatchField, pointMesh>& fld =
//             refCast<const GeometricField<Type, pointPatchField, pointMesh>>
//             (
//                 this->internalField()
//             );
// 
//         const cyclicACMIPointPatchField<Type>& nbr =
//             refCast<const cyclicACMIPointPatchField<Type>>
//             (
//                 fld.boundaryField()[nbrPatch.index()]
//             );
// 
// 
//         Field<Type> ptFld(this->patchInternalField(pField));
//         Field<Type> nbrPtFld(nbr.patchInternalField(pField));
// 
//         InfoInFunction << "patch:" << cyclicACMIPatch_.name() << endl;
//         //InfoInFunction << "pointField:" << ptFld << endl;
//         forAll(cyclicACMIPatch_.localPoints(), i)
//         {
//             Pout<< "    at:" << cyclicACMIPatch_.localPoints()[i]
//                 << " pointField:" << ptFld[i] << endl;
//         }
// 
//         InfoInFunction << "nbrpatch:" << nbrPatch.name() << endl;
//         forAll(nbrPatch.localPoints(), i)
//         {
//             Pout<< "    at:" << nbrPatch.localPoints()[i]
//                 << " nbrPointField:" << nbrPtFld[i] << endl;
//         }
// 
// 
//         if (doTransform())
//         {
//             const tensor& forwardT = this->forwardT()[0];
//             const tensor& reverseT = this->reverseT()[0];
// 
//             transform(ptFld, reverseT, ptFld);
//             transform(nbrPtFld, forwardT, nbrPtFld);
//         }
// 
//         // convert point field to face field, AMI interpolate, then
//         // face back to point
//         {
//             // add neighbour side contribution to owner
//             Field<Type> nbrFcFld(nbrPpi().pointToFaceInterpolate(nbrPtFld));
// 
//             InfoInFunction << "nbrFaceField:" << nbrFcFld << endl;
// 
//             const cyclicAMIPolyPatch& cami = cyclicACMIPatch_.cyclicACMIPatch();
// 
//             // interpolate to owner
//             nbrFcFld = cami.interpolate(nbrFcFld);
// 
//             InfoInFunction << "ACMI interpolated nbrFaceField:" << nbrFcFld
//                 << endl;
//             InfoInFunction << "local contribution:"
//                 << ppi().faceToPointInterpolate(nbrFcFld)()
//                 << endl;
// 
//             // add to internal field
//             this->addToInternalField
//             (
//                 pField,
//                 ppi().faceToPointInterpolate(nbrFcFld)()
//             );
// 
//             Field<Type> newFld(this->patchInternalField(pField));
//             InfoInFunction << "After adding patch:" << cyclicACMIPatch_.name()
//                 << endl;
//             forAll(cyclicACMIPatch_.localPoints(), i)
//             {
//                 Pout<< "    at:" << cyclicACMIPatch_.localPoints()[i]
//                     << " pointField:" << newFld[i] << endl;
//             }
//         }
// 
//         {
//             // add owner side contribution to neighbour
//             Field<Type> fcFld(ppi().pointToFaceInterpolate(ptFld));
// 
//             const cyclicAMIPolyPatch& cami = cyclicACMIPatch_.cyclicACMIPatch();
// 
//             // interpolate to neighbour
//             fcFld = cami.neighbPatch().cyclicAMIPolyPatch::interpolate(fcFld);
// 
//             // add to internal field
//             nbr.addToInternalField
//             (
//                 pField,
//                 nbrPpi().faceToPointInterpolate(fcFld)()
//             );
//         }
//     }
}


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