/*---------------------------------------------------------------------------*\
  ==  == ====== ====   ====    |
                    \\     ||  | Multiphase Code Repository by HZDR
  ======   //   ||  || ===//   | Website: https://doi.org/10.14278/rodare.767
  ||  ||  //    ||  // || \\   | License: GPL-3.0-or-later
  ==  == ====== ====   ==  ==  |
-------------------------------------------------------------------------------
License
    This file is part of the Multiphase Code Repository by HZDR.

    Copyright (C) 2025 by Helmholtz-Zentrum Dresden-Rossendorf e.V. (HZDR),
    Website: https://hzdr.de

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    computational fluid dynamics (CFD) from the OpenFOAM Foundation.
    Copyright (C) 2025 by OpenFOAM Foundation, Website: https://openfoam.org

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

#include "deviation.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(deviation, 0);
    addToRunTimeSelectionTable(functionObject, deviation, dictionary);
}
}


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

bool Foam::functionObjects::deviation::calc()
{
    bool processed = false;

    #define processType(fieldType, none)                                       \
        processed = processed || calcDeviation<fieldType>();
    FOR_ALL_FIELD_TYPES(processType)

    if (!processed)
    {
        cannotFindObject(fieldName_);
        cannotFindObject(referenceFieldName_);
    }

    Info<< "    functionObjects::" << type() << " " << name()
        << " maximum absolute deviation: " << resultMaxAbsDev_ << endl;

    if (resultMaxAbsDev_ > maxAbsDev_ && postProcess)
    {
        write();

        FatalErrorInFunction
            << "    functionObjects::" << type() << " " << name()
            << ": Maximum absolute deviation between "
            << fieldName_ << " and " << referenceFieldName_
            << " larger than " << maxAbsDev_ << "."
            << exit(FatalError);
    }

    return processed;
}


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

Foam::functionObjects::deviation::deviation
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict, typeName),
    referenceFieldName_(dict.lookup("reference")),
    resultMaxAbsDev_(0),
    maxAbsDev_(dict.lookup<scalar>("maxAbsDev", dimless))
{
    if (!dict.found("result"))
    {
        resultName_ =
            word
            (
                type()
              + '('
              + fieldName_
              + ','
              + referenceFieldName_
              + ')'
            );
    }
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::functionObjects::deviation::~deviation()
{}


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