/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2019- Equinor 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.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RimPlotAxisAnnotation.h"

#include "RigEclipseCaseData.h"
#include "RigEquil.h"

#include "RimEclipseCase.h"
#include "RimRiuQwtPlotOwnerInterface.h"
#include "RimTools.h"
#include "RimViewWindow.h"

#include <cmath>

namespace caf
{
template<>
void RimPlotAxisAnnotation::ExportKeywordEnum::setUp()
{
    addItem(RimPlotAxisAnnotation::PL_USER_DEFINED, "User Defined", "User Defined");
    addItem(RimPlotAxisAnnotation::PL_EQUIL_WATER_OIL_CONTACT, "PL_EQUIL_WATER_OIL_CONTACT", "PL_EQUIL_WATER_OIL_CONTACT");
    addItem(RimPlotAxisAnnotation::PL_EQUIL_GAS_OIL_CONTACT, "PL_EQUIL_GAS_OIL_CONTACT", "PL_EQUIL_GAS_OIL_CONTACT");
    setDefault(RimPlotAxisAnnotation::PL_USER_DEFINED);
}
} // namespace caf

CAF_PDM_SOURCE_INIT(RimPlotAxisAnnotation, "RimPlotAxisAnnotation");

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimPlotAxisAnnotation::RimPlotAxisAnnotation()
{
    CAF_PDM_InitObject("Plot Axis Annotation", ":/LeftAxis16x16.png", "", "");

    CAF_PDM_InitField(&m_isActive, "Active", true, "Active", "", "", "");
    m_isActive.uiCapability()->setUiHidden(true);

    CAF_PDM_InitFieldNoDefault(&m_name, "Name", "Name", "", "", "");
    CAF_PDM_InitFieldNoDefault(&m_value, "Value", "Value", "", "", "");

    CAF_PDM_InitFieldNoDefault(&m_annotationType, "AnnotationType", "AnnotationType", "", "", "");

    CAF_PDM_InitFieldNoDefault(&m_sourceCase, "Associated3DCase", "Eclipse Case", "", "", "");
    CAF_PDM_InitFieldNoDefault(&m_equilNum, "m_equilNum", "equil Num", "", "", "");
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::setName(const QString& name)
{
    m_name = name;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::setValue(double value)
{
    m_value = value;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::setEquilibriumData(RimEclipseCase*        eclipseCase,
                                               int                    zeroBasedEquilRegionIndex,
                                               PlotAxisAnnotationType annotationType)
{
    m_sourceCase     = eclipseCase;
    m_equilNum       = zeroBasedEquilRegionIndex + 1;
    m_annotationType = annotationType;

    updateName();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QString RimPlotAxisAnnotation::name() const
{
    return m_name();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
double RimPlotAxisAnnotation::value() const
{
    if (m_annotationType() == PL_EQUIL_WATER_OIL_CONTACT)
    {
        return selectedItem().waterOilContactDepth();
    }
    else if (m_annotationType() == PL_EQUIL_GAS_OIL_CONTACT)
    {
        return selectedItem().gasOilContactDepth();
    }

    return m_value();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QColor RimPlotAxisAnnotation::color() const
{
    if (m_annotationType() == PL_EQUIL_WATER_OIL_CONTACT)
    {
        return QColor(0, 0, 0);
    }
    else if (m_annotationType() == PL_EQUIL_GAS_OIL_CONTACT)
    {
        return QColor(220, 0, 0);
    }

    return QColor(0, 0, 100);
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
caf::PdmFieldHandle* RimPlotAxisAnnotation::userDescriptionField()
{
    return &m_name;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
caf::PdmFieldHandle* RimPlotAxisAnnotation::objectToggleField()
{
    return &m_isActive;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::fieldChangedByUi(const caf::PdmFieldHandle* changedField,
                                             const QVariant&            oldValue,
                                             const QVariant&            newValue)
{
    RimRiuQwtPlotOwnerInterface* parentPlot = nullptr;
    this->firstAncestorOrThisOfType(parentPlot);
    if (parentPlot)
    {
        parentPlot->updateAxisDisplay();
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QList<caf::PdmOptionItemInfo> RimPlotAxisAnnotation::calculateValueOptions(const caf::PdmFieldHandle* fieldNeedingOptions,
                                                                           bool*                      useOptionsOnly)
{
    QList<caf::PdmOptionItemInfo> options;

    if (fieldNeedingOptions == &m_sourceCase)
    {
        RimTools::caseOptionItems(&options);
    }
    else if (fieldNeedingOptions == &m_equilNum)
    {
        for (int i = 0; i < static_cast<int>(equilItems().size()); i++)
        {
            QString uiText = QString("%1").arg(i + 1);
            options.push_back(caf::PdmOptionItemInfo(uiText, i));
        }
    }

    return options;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering& uiOrdering)
{
    uiOrdering.add(&m_annotationType);

    if (m_annotationType() == PL_USER_DEFINED)
    {
        uiOrdering.add(&m_name);
        uiOrdering.add(&m_value);
    }
    else
    {
        uiOrdering.add(&m_sourceCase);
        uiOrdering.add(&m_equilNum);
    }

    uiOrdering.skipRemainingFields();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RigEquil RimPlotAxisAnnotation::selectedItem() const
{
    int index = m_equilNum() - 1;

    if (index < static_cast<int>(equilItems().size()))
    {
        return equilItems()[index];
    }

    return RigEquil::defaultObject();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::vector<RigEquil> RimPlotAxisAnnotation::equilItems() const
{
    if (m_sourceCase && m_sourceCase->eclipseCaseData())
    {
        m_sourceCase->ensureDeckIsParsedForEquilData();

        return m_sourceCase->eclipseCaseData()->equilData();
    }

    return std::vector<RigEquil>();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimPlotAxisAnnotation::updateName()
{
    QString text;

    if (m_annotationType() == PL_EQUIL_WATER_OIL_CONTACT || m_annotationType() == PL_EQUIL_GAS_OIL_CONTACT)
    {
        double diffBetweenTwoContactDepths =
            std::fabs(selectedItem().gasOilContactDepth() - selectedItem().waterOilContactDepth());

        if (diffBetweenTwoContactDepths < 0.1)
        {
            text = QString("GWC %1").arg(selectedItem().gasOilContactDepth());
        }
        else if (m_annotationType() == PL_EQUIL_WATER_OIL_CONTACT)
        {
            text = QString("WOC %1").arg(value());
        }
        else if (m_annotationType() == PL_EQUIL_GAS_OIL_CONTACT)
        {
            text = QString("GOC %1").arg(value());
        }

        m_name = text;
    }
}