/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) Statoil ASA
//  Copyright (C) Ceetron Solutions AS
//
//  ResInsight 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.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "cvfCollection.h"
#include "cvfObject.h"

#include <vector>

class RigHistogramCalculator;

//==================================================================================================
///
//==================================================================================================
class RigStatisticsCalculator : public cvf::Object
{
public:
    virtual void minMaxCellScalarValues( size_t timeStepIndex, double& min, double& max ) = 0;
    virtual void posNegClosestToZero( size_t timeStepIndex, double& pos, double& neg )    = 0;

    void meanCellScalarValue( double& meanValue );
    void meanCellScalarValue( size_t timeStepIndex, double& meanValue );

    void         valueSumAndSampleCount( double& valueSum, size_t& sampleCount );
    virtual void valueSumAndSampleCount( size_t timeStepIndex, double& valueSum, size_t& sampleCount ) = 0;

    void         addDataToHistogramCalculator( RigHistogramCalculator& histogramCalculator );
    virtual void addDataToHistogramCalculator( size_t timeStepIndex, RigHistogramCalculator& histogramCalculator ) = 0;

    virtual void uniqueValues( size_t timeStepIndex, std::set<int>& values ) = 0;

    virtual bool hasPreciseP10p90() const;
    virtual void p10p90CellScalarValues( double& p10, double& p90 );
    virtual void p10p90CellScalarValues( size_t timeStepIndex, double& p10, double& p90 );

    virtual size_t timeStepCount() = 0;

    void         mobileVolumeWeightedMean( double& mean );
    virtual void mobileVolumeWeightedMean( size_t timeStepIndex, double& mean );

    static void posNegClosestToZero( const std::vector<double>& values, double& pos, double& neg );
};