/////////////////////////////////////////////////////////////////////////////////
//
//  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.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RimSummaryCalculationVariable.h"

#include "RiaApplication.h"
#include "RiaSummaryCurveDefinition.h"

#include "RifEclipseSummaryAddressQMetaType.h"

#include "RimProject.h"
#include "RimSummaryAddress.h"
#include "RimSummaryCalculation.h"
#include "RimSummaryCase.h"
#include "RimSummaryCurve.h"

#include "RiuSummaryVectorSelectionDialog.h"

#include "cafPdmUiPushButtonEditor.h"
#include "cafPdmUiTableViewEditor.h"

CAF_PDM_SOURCE_INIT( RimSummaryCalculationVariable, "RimSummaryCalculationVariable" );

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimSummaryCalculationVariable::RimSummaryCalculationVariable()
{
    CAF_PDM_InitObject( "RimSummaryCalculationVariable", ":/octave.png", "", "" );

    CAF_PDM_InitFieldNoDefault( &m_name, "VariableName", "Variable Name", "", "", "" );
    m_name.uiCapability()->setUiReadOnly( true );

    CAF_PDM_InitFieldNoDefault( &m_button, "PushButton", "", "", "", "" );
    m_button.uiCapability()->setUiEditorTypeName( caf::PdmUiPushButtonEditor::uiEditorTypeName() );
    m_button.xmlCapability()->disableIO();

    CAF_PDM_InitFieldNoDefault( &m_summaryAddressUi, "SummaryAddressUi", "Summary Address", "", "", "" );
    m_summaryAddressUi.registerGetMethod( this, &RimSummaryCalculationVariable::summaryAddressDisplayString );
    m_summaryAddressUi.xmlCapability()->disableIO();
    m_summaryAddressUi.uiCapability()->setUiReadOnly( true );

    CAF_PDM_InitFieldNoDefault( &m_case, "SummaryCase", "Summary Case", "", "", "" );
    CAF_PDM_InitFieldNoDefault( &m_summaryAddress, "SummaryAddress", "Summary Address", "", "", "" );

    m_summaryAddress = new RimSummaryAddress;
}

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

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

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimSummaryCalculationVariable::fieldChangedByUi( const caf::PdmFieldHandle* changedField,
                                                      const QVariant&            oldValue,
                                                      const QVariant&            newValue )
{
    if ( changedField == &m_button )
    {
        bool updateContainingEditor = false;

        {
            RiuSummaryVectorSelectionDialog dlg( nullptr );
            dlg.hideEnsembles();

            readDataFromApplicationStore( &dlg );

            if ( dlg.exec() == QDialog::Accepted )
            {
                std::vector<RiaSummaryCurveDefinition> curveSelection = dlg.curveSelection();
                if ( curveSelection.size() > 0 )
                {
                    m_case = curveSelection[0].summaryCase();
                    m_summaryAddress->setAddress( curveSelection[0].summaryAddress() );

                    writeDataToApplicationStore();

                    updateContainingEditor = true;
                }
            }
        }

        if ( updateContainingEditor )
        {
            RimSummaryCalculation* rimCalculation = nullptr;
            this->firstAncestorOrThisOfTypeAsserted( rimCalculation );

            // RimCalculation is pointed to by RicSummaryCurveCalculator in a PtrField
            // Update editors connected to RicSummaryCurveCalculator
            std::vector<caf::PdmObjectHandle*> referringObjects;
            rimCalculation->objectsWithReferringPtrFields( referringObjects );
            for ( auto o : referringObjects )
            {
                o->uiCapability()->updateConnectedEditors();
            }
        }
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QString RimSummaryCalculationVariable::summaryAddressDisplayString() const
{
    QString caseName;
    if ( m_case() ) caseName = m_case()->displayCaseName();

    return RiaSummaryCurveDefinition::curveDefinitionText( caseName, m_summaryAddress()->address() );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimSummaryCase* RimSummaryCalculationVariable::summaryCase()
{
    return m_case();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimSummaryAddress* RimSummaryCalculationVariable::summaryAddress()
{
    return m_summaryAddress();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimSummaryCalculationVariable::defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering )
{
    uiOrdering.add( &m_name );
    uiOrdering.add( &m_summaryAddressUi );
    uiOrdering.add( &m_button );

    uiOrdering.skipRemainingFields();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimSummaryCalculationVariable::defineObjectEditorAttribute( QString uiConfigName, caf::PdmUiEditorAttribute* attribute )
{
    caf::PdmUiTableViewPushButtonEditorAttribute* attr =
        dynamic_cast<caf::PdmUiTableViewPushButtonEditorAttribute*>( attribute );
    if ( attr )
    {
        attr->registerPushButtonTextForFieldKeyword( m_button.keyword(), "Edit" );
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimSummaryCalculationVariable::readDataFromApplicationStore( RiuSummaryVectorSelectionDialog* selectionDialog ) const
{
    if ( !selectionDialog ) return;

    auto sumCase    = m_case();
    auto sumAddress = m_summaryAddress->address();
    if ( !sumCase && !sumAddress.isValid() )
    {
        QVariant var = RiaApplication::instance()->cacheDataObject( "CalculatorSummaryAddress" );

        auto lastUsedAddress = var.value<RifEclipseSummaryAddress>();
        if ( lastUsedAddress.isValid() )
        {
            sumAddress = lastUsedAddress;
        }

        QString lastUsedSummaryCaseString =
            RiaApplication::instance()->cacheDataObject( "CalculatorSummaryCase" ).toString();

        auto* lastUsedSummaryCase = dynamic_cast<RimSummaryCase*>(
            caf::PdmReferenceHelper::objectFromReference( RimProject::current(), lastUsedSummaryCaseString ) );
        if ( lastUsedSummaryCase )
        {
            sumCase = lastUsedSummaryCase;
        }
    }

    selectionDialog->setCaseAndAddress( sumCase, sumAddress );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimSummaryCalculationVariable::writeDataToApplicationStore() const
{
    QString refFromProjectToObject = caf::PdmReferenceHelper::referenceFromRootToObject( RimProject::current(), m_case );
    RiaApplication::instance()->setCacheDataObject( "CalculatorSummaryCase", refFromProjectToObject );

    QVariant sumAdrVar = QVariant::fromValue( m_summaryAddress->address() );
    RiaApplication::instance()->setCacheDataObject( "CalculatorSummaryAddress", sumAdrVar );
}