/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2015-     Statoil ASA
//  Copyright (C) 2015-     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 "RiaDefines.h"
#include "RiaWellLogUnitTools.h"

#include "cvfObject.h"

#include <QString>

#include <map>
#include <set>
#include <vector>

class RigWellLogCurveDataTestInterface;

//==================================================================================================
///
//==================================================================================================
class RigWellLogCurveData : public cvf::Object
{
public:
    RigWellLogCurveData();
    ~RigWellLogCurveData() override;

    void setValuesAndDepths( const std::vector<double>& xValues,
                             const std::vector<double>& depths,
                             RiaDefines::DepthTypeEnum  depthType,
                             double                     rkbDiff,
                             RiaDefines::DepthUnitType  depthUnit,
                             bool                       isExtractionCurve );
    void setValuesAndDepths( const std::vector<double>&                                      xValues,
                             const std::map<RiaDefines::DepthTypeEnum, std::vector<double>>& depths,
                             double                                                          rkbDiff,
                             RiaDefines::DepthUnitType                                       depthUnit,
                             bool                                                            isExtractionCurve );
    void setXUnits( const QString& xUnitString );

    std::vector<double> xValues() const;
    std::vector<double> xValues( const QString& units ) const;
    QString             xUnits() const;

    std::vector<double> depths( RiaDefines::DepthTypeEnum depthType ) const;

    std::set<RiaDefines::DepthTypeEnum> availableDepthTypes() const;

    bool calculateDepthRange( RiaDefines::DepthTypeEnum depthType,
                              RiaDefines::DepthUnitType depthUnit,
                              double*                   minMD,
                              double*                   maxMD ) const;

    RiaDefines::DepthUnitType depthUnit() const;

    std::vector<double>                    xPlotValues() const;
    std::vector<double>                    depthPlotValues( RiaDefines::DepthTypeEnum depthType,
                                                            RiaDefines::DepthUnitType destinationDepthUnit ) const;
    std::vector<std::pair<size_t, size_t>> polylineStartStopIndices() const;

    cvf::ref<RigWellLogCurveData> calculateResampledCurveData( double newMeasuredDepthStepSize ) const;
    cvf::ref<RigWellLogCurveData> calculateResampledCurveData( RiaDefines::DepthTypeEnum  resamplingDepthType,
                                                               const std::vector<double>& depths ) const;
    void                          interpolateSegment( RiaDefines::DepthTypeEnum                                 resamplingDepthType,
                                                      double                                                    depthValue,
                                                      size_t                                                    firstIndex,
                                                      std::vector<double>&                                      xValues,
                                                      std::map<RiaDefines::DepthTypeEnum, std::vector<double>>& resampledDepths,
                                                      const double                                              eps ) const;

private:
    void calculateIntervalsOfContinousValidValues();

    static void splitIntervalAtEmptySpace( const std::vector<double>&              depthValues,
                                           size_t                                  startIdx,
                                           size_t                                  stopIdx,
                                           std::vector<std::pair<size_t, size_t>>* intervals );

private:
    std::vector<double>                                      m_xValues;
    std::map<RiaDefines::DepthTypeEnum, std::vector<double>> m_depths;
    bool                                                     m_isExtractionCurve;
    double                                                   m_rkbDiff;

    std::vector<std::pair<size_t, size_t>> m_intervalsOfContinousValidValues;

    RiaDefines::DepthUnitType m_depthUnit;
    QString                   m_xUnitString;
};