/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2018-     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 "RimUserDefinedPolylinesAnnotation.h"

#include "WellPathCommands/PointTangentManipulator/RicPolyline3dEditor.h"
#include "WellPathCommands/RicPolylineTargetsPickEventHandler.h"

#include "RimAnnotationCollection.h"
#include "RimAnnotationLineAppearance.h"
#include "RimPolylineTarget.h"

#include "RigPolyLinesData.h"

#include "RiuViewerCommands.h"

#include "cvfBoundingBox.h"

#include "cafCmdFeatureMenuBuilder.h"
#include "cafPdmUiPushButtonEditor.h"
#include "cafPdmUiTableViewEditor.h"
#include "cafPdmUiTreeOrdering.h"

CAF_PDM_SOURCE_INIT( RimUserDefinedPolylinesAnnotation, "UserDefinedPolylinesAnnotation" );

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimUserDefinedPolylinesAnnotation::RimUserDefinedPolylinesAnnotation()
    : m_pickTargetsEventHandler( new RicPolylineTargetsPickEventHandler( this ) )
{
    CAF_PDM_InitObject( "PolyLines Annotation", ":/PolylinesFromFile16x16.png", "", "" );

    CAF_PDM_InitField( &m_name, "Name", QString( "User Defined Polyline" ), "Name", "", "", "" );

    CAF_PDM_InitField( &m_enablePicking, "EnablePicking", false, "", "", "", "" );
    caf::PdmUiPushButtonEditor::configureEditorForField( &m_enablePicking );
    m_enablePicking.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::LabelPosType::HIDDEN );

    CAF_PDM_InitFieldNoDefault( &m_targets, "Targets", "Targets", "", "", "" );
    m_targets.uiCapability()->setUiEditorTypeName( caf::PdmUiTableViewEditor::uiEditorTypeName() );
    // m_targets.uiCapability()->setUiTreeHidden(true);
    m_targets.uiCapability()->setUiTreeChildrenHidden( true );
    m_targets.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::TOP );
    m_targets.uiCapability()->setCustomContextMenuEnabled( true );

    this->setUi3dEditorTypeName( RicPolyline3dEditor::uiEditorTypeName() );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimUserDefinedPolylinesAnnotation::~RimUserDefinedPolylinesAnnotation() {}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<RigPolyLinesData> RimUserDefinedPolylinesAnnotation::polyLinesData()
{
    cvf::ref<RigPolyLinesData> pld = new RigPolyLinesData;
    std::vector<cvf::Vec3d>    line;
    for ( const RimPolylineTarget* target : m_targets )
    {
        line.push_back( target->targetPointXYZ() );
    }
    pld->setPolyLines( {line} );

    return pld;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::vector<RimPolylineTarget*> RimUserDefinedPolylinesAnnotation::activeTargets() const
{
    return m_targets.childObjects();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RimUserDefinedPolylinesAnnotation::isEmpty()
{
    return m_targets.empty();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::appendTarget( const cvf::Vec3d& defaultPos )
{
    RimPolylineTarget* target = nullptr;

    auto targets = m_targets.childObjects();
    if ( targets.empty() )
    {
        target = new RimPolylineTarget();
        target->setAsPointXYZ( defaultPos );
    }
    else
    {
        target = dynamic_cast<RimPolylineTarget*>(
            targets.back()->xmlCapability()->copyByXmlSerialization( caf::PdmDefaultObjectFactory::instance() ) );
    }

    if ( target )
    {
        m_targets.push_back( target );
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::insertTarget( const RimPolylineTarget* targetToInsertBefore,
                                                      RimPolylineTarget*       targetToInsert )
{
    size_t index = m_targets.index( targetToInsertBefore );
    if ( index < m_targets.size() )
        m_targets.insert( index, targetToInsert );
    else
        m_targets.push_back( targetToInsert );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::deleteTarget( RimPolylineTarget* targetTodelete )
{
    m_targets.removeChildObject( targetTodelete );
    delete targetTodelete;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::pair<RimPolylineTarget*, RimPolylineTarget*>
    RimUserDefinedPolylinesAnnotation::findActiveTargetsAroundInsertionPoint( const RimPolylineTarget* targetToInsertBefore )
{
    RimPolylineTarget* before = nullptr;
    RimPolylineTarget* after  = nullptr;

    bool foundTarget = false;
    for ( const auto& wt : m_targets )
    {
        if ( wt == targetToInsertBefore )
        {
            foundTarget = true;
        }

        if ( wt->isEnabled() && !after && foundTarget ) after = wt;

        if ( wt->isEnabled() && !foundTarget ) before = wt;
    }

    return {before, after};
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::updateVisualization()
{
    RimAnnotationCollection* annColl = nullptr;
    this->firstAncestorOrThisOfTypeAsserted( annColl );

    annColl->scheduleRedrawOfRelevantViews();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::enablePicking( bool enable )
{
    m_enablePicking = enable;
    updateConnectedEditors();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering )
{
    appearance()->setLineFieldsHidden( !m_showLines );
    appearance()->setSphereFieldsHidden( !m_showSpheres );

    uiOrdering.add( &m_name );
    uiOrdering.add( &m_targets );
    uiOrdering.add( &m_enablePicking );

    auto appearanceGroup = uiOrdering.addNewGroup( "Appearance" );
    appearanceGroup->add( &m_closePolyline );
    appearanceGroup->add( &m_showLines );
    appearanceGroup->add( &m_showSpheres );

    appearance()->uiOrdering( uiConfigName, *appearanceGroup );

    uiOrdering.skipRemainingFields( true );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::defineUiTreeOrdering( caf::PdmUiTreeOrdering& uiTreeOrdering,
                                                              QString                 uiConfigName )
{
    uiTreeOrdering.skipRemainingChildren( true );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::fieldChangedByUi( const caf::PdmFieldHandle* changedField,
                                                          const QVariant&            oldValue,
                                                          const QVariant&            newValue )
{
    if ( changedField == &m_enablePicking )
    {
        this->updateConnectedEditors();
    }
    else if ( changedField == &m_showLines )
    {
        appearance()->setLineFieldsHidden( !m_showLines() );
    }
    else if ( changedField == &m_showSpheres )
    {
        appearance()->setSphereFieldsHidden( !m_showSpheres() );
    }

    updateVisualization();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::defineObjectEditorAttribute( QString                    uiConfigName,
                                                                     caf::PdmUiEditorAttribute* attribute )
{
    RicPolyline3dEditorAttribute* attrib = dynamic_cast<RicPolyline3dEditorAttribute*>( attribute );
    if ( attrib )
    {
        attrib->pickEventHandler = m_pickTargetsEventHandler;
        attrib->enablePicking    = m_enablePicking;
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::defineCustomContextMenu( const caf::PdmFieldHandle* fieldNeedingMenu,
                                                                 QMenu*                     menu,
                                                                 QWidget*                   fieldEditorWidget )
{
    caf::CmdFeatureMenuBuilder menuBuilder;

    menuBuilder << "RicNewPolylineTargetFeature";
    menuBuilder << "Separator";
    menuBuilder << "RicDeletePolylineTargetFeature";

    menuBuilder.appendToMenu( menu );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimUserDefinedPolylinesAnnotation::defineEditorAttribute( const caf::PdmFieldHandle* field,
                                                               QString                    uiConfigName,
                                                               caf::PdmUiEditorAttribute* attribute )
{
    if ( field == &m_enablePicking )
    {
        auto* pbAttribute = dynamic_cast<caf::PdmUiPushButtonEditorAttribute*>( attribute );
        if ( pbAttribute )
        {
            if ( !m_enablePicking )
            {
                pbAttribute->m_buttonText = "Start Picking Points";
            }
            else
            {
                pbAttribute->m_buttonText = "Stop Picking Points";
            }
        }
    }

    if ( field == &m_targets )
    {
        auto tvAttribute = dynamic_cast<caf::PdmUiTableViewEditorAttribute*>( attribute );
        if ( tvAttribute )
        {
            tvAttribute->resizePolicy = caf::PdmUiTableViewEditorAttribute::RESIZE_TO_FIT_CONTENT;

            if ( m_enablePicking )
            {
                tvAttribute->baseColor.setRgb( 255, 220, 255 );
                tvAttribute->alwaysEnforceResizePolicy = true;
            }
        }
    }
}

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