/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2026 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 "patchProbes.H"
#include "volFields.H"
#include "IOmanip.H"

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

template<class Type>
void Foam::patchProbes::sampleAndWrite(const VolField<Type>& vField)
{
    Field<Type> values(sample(vField));

    if (Pstream::master())
    {
        unsigned int w = IOstream::defaultPrecision() + 7;
        OFstream& probeStream = probeFilePtrs_[vField.name()];

        probeStream
            << setw(w)
            << vField.time().userTimeValue();

        forAll(values, probei)
        {
            probeStream << ' ' << setw(w) << values[probei];
        }
        probeStream << endl;
    }
}


template<class Type>
void Foam::patchProbes::sampleAndWrite(const SurfaceField<Type>& sField)
{
    Field<Type> values(sample(sField));

    if (Pstream::master())
    {
        unsigned int w = IOstream::defaultPrecision() + 7;
        OFstream& probeStream = probeFilePtrs_[sField.name()];

        probeStream
            << setw(w)
            << sField.time().userTimeValue();

        forAll(values, probei)
        {
            probeStream << ' ' << setw(w) << values[probei];
        }
        probeStream << endl;
    }
}


template<class Type>
void Foam::patchProbes::sampleAndWrite(const fieldGroup<Type>& fields)
{
    forAll(fields, fieldi)
    {
        objectRegistry::const_iterator iter = mesh_.find(fields[fieldi]);

        if
        (
            iter != objectRegistry::end()
         && iter()->type() == VolField<Type>::typeName
        )
        {
            sampleAndWrite
            (
                mesh_.lookupObject<VolField<Type>>
                (
                    fields[fieldi]
                )
            );
        }
    }
}


template<class Type>
void Foam::patchProbes::sampleAndWriteSurfaceFields
(
    const fieldGroup<Type>& fields
)
{
    forAll(fields, fieldi)
    {
        objectRegistry::const_iterator iter = mesh_.find(fields[fieldi]);

        if
        (
            iter != objectRegistry::end()
         && iter()->type() == SurfaceField<Type>::typeName
        )
        {
            sampleAndWrite
            (
                mesh_.lookupObject<SurfaceField<Type>>
                (
                    fields[fieldi]
                )
            );
        }
    }
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::patchProbes::sample(const VolField<Type>& vField) const
{
    const Type unsetVal(-vGreat*pTraits<Type>::one);

    tmp<Field<Type>> tValues
    (
        new Field<Type>(locations_.size(), unsetVal)
    );

    Field<Type>& values = tValues.ref();

    const polyBoundaryMesh& patches = mesh_.poly().boundary();

    forAll(locations_, probei)
    {
        label facei = faceList_[probei];

        if (facei >= 0)
        {
            label patchi = patches.whichPatch(facei);
            label localFacei = patches[patchi].whichFace(facei);
            values[probei] = vField.boundaryField()[patchi][localFacei];
        }
    }

    Pstream::listCombineGather(values, isNotEqOp());
    Pstream::listCombineScatter(values);

    return tValues;
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::patchProbes::sample(const SurfaceField<Type>& sField) const
{
    const Type unsetVal(-vGreat*pTraits<Type>::one);

    tmp<Field<Type>> tValues
    (
        new Field<Type>(locations_.size(), unsetVal)
    );

    Field<Type>& values = tValues.ref();

    const polyBoundaryMesh& patches = mesh_.poly().boundary();

    forAll(locations_, probei)
    {
        label facei = faceList_[probei];

        if (facei >= 0)
        {
            label patchi = patches.whichPatch(facei);
            label localFacei = patches[patchi].whichFace(facei);
            values[probei] = sField.boundaryField()[patchi][localFacei];
        }
    }

    Pstream::listCombineGather(values, isNotEqOp());
    Pstream::listCombineScatter(values);

    return tValues;
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::patchProbes::sample(const word& fieldName) const
{
    return sample
    (
        mesh_.lookupObject<VolField<Type>>
        (
            fieldName
        )
    );
}


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