/*
* Copyright (c) <2017> Side Effects Software Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/

#include "HoudiniAssetParameterToggle.h"

#include "HoudiniApi.h"
#include "HoudiniEngineRuntimePrivatePCH.h"
#include "HoudiniAssetComponent.h"
#include "HoudiniEngine.h"

#include "Misc/Variant.h"
#include "Internationalization/Internationalization.h"
#define LOCTEXT_NAMESPACE HOUDINI_LOCTEXT_NAMESPACE 

UHoudiniAssetParameterToggle::UHoudiniAssetParameterToggle( const FObjectInitializer & ObjectInitializer )
    : Super( ObjectInitializer )
{
    // Parameter will have at least one value.
    Values.AddZeroed( 1 );
}

UHoudiniAssetParameterToggle *
UHoudiniAssetParameterToggle::Create(
    UObject * InPrimaryObject,
    UHoudiniAssetParameter * InParentParameter,
    HAPI_NodeId InNodeId, const HAPI_ParmInfo & ParmInfo )
{
    UObject * Outer = InPrimaryObject;
    if ( !Outer )
    {
        Outer = InParentParameter;
        if ( !Outer )
        {
            // Must have either component or parent not null.
            check( false );
        }
    }

    UHoudiniAssetParameterToggle * HoudiniAssetParameterToggle = NewObject< UHoudiniAssetParameterToggle >(
        Outer, UHoudiniAssetParameterToggle::StaticClass(), NAME_None, RF_Public | RF_Transactional );

    HoudiniAssetParameterToggle->CreateParameter( InPrimaryObject, InParentParameter, InNodeId, ParmInfo );
    return HoudiniAssetParameterToggle;
}

bool
UHoudiniAssetParameterToggle::CreateParameter(
    UObject * InPrimaryObject,
    UHoudiniAssetParameter * InParentParameter,
    HAPI_NodeId InNodeId, const HAPI_ParmInfo & ParmInfo )
{
    if ( !Super::CreateParameter( InPrimaryObject, InParentParameter, InNodeId, ParmInfo ) )
        return false;

    // We can only handle toggle type.
    if ( ParmInfo.type != HAPI_PARMTYPE_TOGGLE )
        return false;

    // Assign internal Hapi values index.
    SetValuesIndex( ParmInfo.intValuesIndex );

    // Get the actual value for this property.
    Values.SetNumZeroed( TupleSize );
    if ( FHoudiniApi::GetParmIntValues(
        FHoudiniEngine::Get().GetSession(), InNodeId, &Values[ 0 ],
        ValuesIndex, TupleSize ) != HAPI_RESULT_SUCCESS )
    {
        return false;
    }

    // Min and max make no sense for this type of parameter.
    return true;
}

bool
UHoudiniAssetParameterToggle::UploadParameterValue()
{
    if (Values.Num() <= 0)
        return false;

    if ( FHoudiniApi::SetParmIntValues(
        FHoudiniEngine::Get().GetSession(), NodeId, &Values[ 0 ],
        ValuesIndex, TupleSize ) != HAPI_RESULT_SUCCESS )
    {
        return false;
    }

    return Super::UploadParameterValue();
}

bool
UHoudiniAssetParameterToggle::SetParameterVariantValue(
    const FVariant & Variant, int32 Idx, bool bTriggerModify, bool bRecordUndo )
{
    EVariantTypes VariantType = Variant.GetType();
    int32 VariantValue = 0;

    if ( !Values.IsValidIndex(Idx) )
        return false;

    switch ( VariantType )
    {
        case EVariantTypes::Int8:
        case EVariantTypes::Int16:
        case EVariantTypes::Int32:
        case EVariantTypes::Int64:
        case EVariantTypes::UInt8:
        case EVariantTypes::UInt16:
        case EVariantTypes::UInt32:
        case EVariantTypes::UInt64:
        {
            VariantValue = Variant.GetValue< int32 >();
            break;
        }

        case EVariantTypes::Bool:
        {
            VariantValue = (int32) Variant.GetValue< bool >();
            break;
        }

        default:
        {
            return false;
        }
    }

#if WITH_EDITOR

    FScopedTransaction Transaction(
        TEXT( HOUDINI_MODULE_RUNTIME ),
        LOCTEXT( "HoudiniAssetParameterToggleChange", "Houdini Parameter Toggle: Changing a value" ),
        PrimaryObject );

    Modify();

    if ( !bRecordUndo )
        Transaction.Cancel();

#endif

    Values[ Idx ] = VariantValue;
    MarkChanged();

    return true;
}

void
UHoudiniAssetParameterToggle::Serialize( FArchive & Ar )
{
    // Call base implementation.
    Super::Serialize( Ar );

    Ar.UsingCustomVersion( FHoudiniCustomSerializationVersion::GUID );

    Ar << Values;
}

#if WITH_EDITOR

void
UHoudiniAssetParameterToggle::CheckStateChanged( ECheckBoxState NewState, int32 Idx )
{
    if (!Values.IsValidIndex(Idx))
        return;

    int32 bState = ( NewState == ECheckBoxState::Checked );
    if (Values[Idx] == bState)
        return;

    // Record undo information.
    FScopedTransaction Transaction(
        TEXT( HOUDINI_MODULE_RUNTIME ),
        LOCTEXT( "HoudiniAssetParameterToggleChange", "Houdini Parameter Toggle: Changing a value" ),
        PrimaryObject );
    Modify();

    Values[ Idx ] = bState;

    // Mark this parameter as changed.
    MarkChanged();
}

ECheckBoxState
UHoudiniAssetParameterToggle::IsChecked( int32 Idx ) const
{
    if (!Values.IsValidIndex(Idx))
        return ECheckBoxState::Undetermined;

    if ( Values[ Idx ] )
        return ECheckBoxState::Checked;

    return ECheckBoxState::Unchecked;
}

#endif

#undef LOCTEXT_NAMESPACE