/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017 -     Statoil ASA
//
//  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 "cafAppEnum.h"
#include "cafPdmChildField.h"
#include "cafPdmField.h"
#include "cafPdmFieldCvfVec3d.h"
#include "cafPdmFieldHandle.h"
#include "cafPdmObject.h"
#include "cafPdmProxyValueField.h"
#include "cafSignal.h"

#include "cvfObject.h"
#include "cvfVector3.h"

#include <limits>
#include <vector>

class RigFractureGrid;
class RimFractureContainment;
class MinMaxAccumulator;
class PosNegAccumulator;
class RimFracture;

class WellFractureIntersectionData
{
public:
    WellFractureIntersectionData()
        : m_width( 0.0 )
        , m_permeability( 0.0 )
        , m_conductivity( std::numeric_limits<double>::infinity() )
        , m_betaFactorInForcheimerUnits( std::numeric_limits<double>::infinity() )
    {
    }

    bool isWidthAndPermeabilityDefined() const
    {
        if ( m_width != 0.0 ) return true;
        if ( m_permeability != 0.0 ) return true;

        return false;
    }

    bool isConductivityDefined() const { return ( m_conductivity != std::numeric_limits<double>::infinity() ); }

    // Unit : meter or feet
    double m_width;

    // Unit : mD (milliDarcy)
    double m_permeability;

    double m_conductivity;

    // Unit : Forcheimer unit
    double m_betaFactorInForcheimerUnits;
};

//==================================================================================================
///
///
//==================================================================================================
class RimFractureTemplate : public caf::PdmObject
{
    CAF_PDM_HEADER_INIT;

public:
    enum FracOrientationEnum
    {
        AZIMUTH,
        ALONG_WELL_PATH,
        TRANSVERSE_WELL_PATH
    };

    enum FracConductivityEnum
    {
        INFINITE_CONDUCTIVITY,
        FINITE_CONDUCTIVITY,
    };

    enum PermeabilityEnum
    {
        USER_DEFINED_PERMEABILITY,
        CONDUCTIVITY_FROM_FRACTURE,
    };

    enum WidthEnum
    {
        USER_DEFINED_WIDTH,
        WIDTH_FROM_FRACTURE,
    };

    enum BetaFactorEnum
    {
        USER_DEFINED_BETA_FACTOR,
        BETA_FACTOR_FROM_FRACTURE,
    };

    enum NonDarcyFlowEnum
    {
        NON_DARCY_NONE,
        NON_DARCY_COMPUTED,
        NON_DARCY_USER_DEFINED,
    };

public:
    RimFractureTemplate();
    ~RimFractureTemplate() override;

    caf::Signal<double> wellPathDepthAtFractureChanged;

    int     id() const;
    QString name() const;
    QString nameAndUnit() const;

    caf::AppEnum<RiaDefines::EclipseUnitSystem> fractureTemplateUnit() const;
    FracOrientationEnum                         orientationType() const;
    float                                       azimuthAngle() const;
    float                                       skinFactor() const;
    double                                      wellDiameter() const;
    FracConductivityEnum                        conductivityType() const;
    double                                      perforationLength() const;
    bool                                        useUserDefinedPerforationLength() const;

    double                            wellPathDepthAtFracture() const;
    virtual std::pair<double, double> wellPathDepthAtFractureRange() const  = 0;
    virtual QString                   wellPathDepthAtFractureUiName() const = 0;

    virtual void fractureTriangleGeometry( std::vector<cvf::Vec3f>* nodeCoords,
                                           std::vector<cvf::uint>*  triangleIndices,
                                           double                   wellPathDepthAtFracture ) const = 0;

    virtual bool placeFractureUsingTemplateData( RimFracture* fracture );

    virtual cvf::cref<RigFractureGrid> createFractureGrid( double wellPathDepthAtFracture ) const = 0;
    const RimFractureContainment*      fractureContainment() const;

    virtual void appendDataToResultStatistics( const QString&     resultName,
                                               const QString&     unit,
                                               MinMaxAccumulator& minMaxAccumulator,
                                               PosNegAccumulator& posNegAccumulator ) const = 0;

    virtual std::vector<std::pair<QString, QString>> uiResultNamesWithUnit() const = 0;

    void setName( const QString& name );
    void setUnitSystem( caf::AppEnum<RiaDefines::EclipseUnitSystem> unitSystem );
    void setDefaultWellDiameterFromUnit();

    bool isNonDarcyFlowEnabled() const;

    virtual void convertToUnitSystem( RiaDefines::EclipseUnitSystem neededUnit );

    virtual void loadDataAndUpdate() = 0;

    void disconnectAllFracturesAndRedrawViews() const;
    void setId( int id );
    void setScaleFactors( double halfLengthScale, double heightScale, double dFactorScale, double conductivityScale );
    void scaleFactors( double* halfLengthScale, double* heightScale, double* dFactorScale, double* conductivityScale ) const;

    void setContainmentTopKLayer( int topKLayer );
    void setContainmentBaseKLayer( int baseKLayer );

    double computeDFactor( const RimFracture* fractureInstance ) const;
    double computeKh( const RimFracture* fractureInstance ) const;
    double computeEffectivePermeability( const RimFracture* fractureInstance ) const;
    double computeWellRadiusForDFactorCalculation( const RimFracture* fractureInstance ) const;
    double computeFractureWidth( const RimFracture* fractureInstance ) const;
    double getOrComputeBetaFactor( const RimFracture* fractureInstance ) const;

    void loadDataAndUpdateGeometryHasChanged();

protected:
    caf::PdmFieldHandle* userDescriptionField() override;
    void fieldChangedByUi( const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue ) override;
    void defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering ) override;
    void defineEditorAttribute( const caf::PdmFieldHandle* field, QString uiConfigName, caf::PdmUiEditorAttribute* attribute ) override;

    std::vector<RimFracture*> fracturesUsingThisTemplate() const;
    virtual void              onLoadDataAndUpdateGeometryHasChanged() = 0;

    virtual bool isBetaFactorAvailableOnFile() const;

private:
    void                                 prepareFieldsForUiDisplay();
    virtual WellFractureIntersectionData wellFractureIntersectionData( const RimFracture* fractureInstance ) const = 0;

    QString dFactorSummary() const;
    double  dFactorForTemplate() const;

protected:
    caf::PdmField<int>               m_id;
    caf::PdmField<QString>           m_name;
    caf::PdmProxyValueField<QString> m_nameAndUnit;

    caf::PdmField<caf::AppEnum<RiaDefines::EclipseUnitSystem>> m_fractureTemplateUnit;
    caf::PdmField<caf::AppEnum<FracOrientationEnum>>           m_orientationType;
    caf::PdmField<float>                                       m_azimuthAngle;
    caf::PdmField<float>                                       m_skinFactor;
    caf::PdmField<bool>                                        m_userDefinedPerforationLength;
    caf::PdmField<double>                                      m_perforationLength;
    caf::PdmField<double>                                      m_perforationEfficiency;
    caf::PdmField<double>                                      m_wellDiameter;
    caf::PdmField<caf::AppEnum<FracConductivityEnum>>          m_conductivityType;
    caf::PdmChildField<RimFractureContainment*>                m_fractureContainment;

    caf::PdmField<double> m_wellPathDepthAtFracture;

    caf::PdmField<caf::AppEnum<NonDarcyFlowEnum>> m_nonDarcyFlowType;
    caf::PdmField<double>                         m_userDefinedDFactor;

    caf::PdmField<caf::AppEnum<WidthEnum>> m_fractureWidthType;
    caf::PdmField<double>                  m_fractureWidth;

    caf::PdmField<caf::AppEnum<BetaFactorEnum>> m_betaFactorType;
    caf::PdmField<double>                       m_inertialCoefficient;

    caf::PdmField<caf::AppEnum<PermeabilityEnum>> m_permeabilityType;
    caf::PdmField<double>                         m_relativePermeability;

    caf::PdmField<double> m_relativeGasDensity;
    caf::PdmField<double> m_gasViscosity;

    caf::PdmProxyValueField<double>  m_dFactorDisplayField;
    caf::PdmProxyValueField<QString> m_dFactorSummaryText;

    caf::PdmField<double> m_heightScaleFactor;
    caf::PdmField<double> m_halfLengthScaleFactor;
    caf::PdmField<double> m_dFactorScaleFactor;
    caf::PdmField<double> m_conductivityScaleFactor;
    caf::PdmField<bool>   m_scaleApplyButton;

private:
    caf::PdmField<double> m_userDefinedEffectivePermeability;
};