/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */


#include <AzCore/Serialization/SerializeContext.h>

#include "BoolTrack.h"
#include "Maestro/Types/AnimValueType.h"

//////////////////////////////////////////////////////////////////////////
CBoolTrack::CBoolTrack()
    : m_bDefaultValue(true)
{
}

//////////////////////////////////////////////////////////////////////////
void CBoolTrack::GetKeyInfo([[maybe_unused]] int index, const char*& description, float& duration)
{
    description = 0;
    duration = 0;
}

//////////////////////////////////////////////////////////////////////////
AnimValueType CBoolTrack::GetValueType()
{
    return AnimValueType::Bool; 
}

//////////////////////////////////////////////////////////////////////////
void CBoolTrack::GetValue(float time, bool& value)
{
    value = m_bDefaultValue;

    CheckValid();

    int nkeys = static_cast<int>(m_keys.size());
    if (nkeys < 1)
    {
        return;
    }

    int key = 0;
    while ((key < nkeys) && (time >= m_keys[key].time))
    {
        key++;
    }

    if (m_bDefaultValue)
    {
        value = !(key & 1); // True if even key.
    }
    else
    {
        value = (key & 1);  // False if even key.
    }
}

//////////////////////////////////////////////////////////////////////////
void CBoolTrack::SetValue([[maybe_unused]] float time, const bool& value, bool bDefault)
{
    if (bDefault)
    {
        SetDefaultValue(value);
    }
    Invalidate();
}

//////////////////////////////////////////////////////////////////////////
void CBoolTrack::SetDefaultValue(const bool bDefaultValue)
{
    m_bDefaultValue = bDefaultValue;
}

/// @deprecated Serialization for Sequence data in Component Entity Sequences now occurs through AZ::SerializeContext and the Sequence Component
bool CBoolTrack::Serialize(XmlNodeRef& xmlNode, bool bLoading, bool bLoadEmptyTracks)
{
    bool retVal = TAnimTrack<IBoolKey>::Serialize(xmlNode, bLoading, bLoadEmptyTracks);
    if (bLoading)
    {
        xmlNode->getAttr("DefaultValue", m_bDefaultValue);
    }
    else
    {
        //saving        
        xmlNode->setAttr("DefaultValue", m_bDefaultValue);
    }
    return retVal;
}

//////////////////////////////////////////////////////////////////////////
static bool BoolTrackVersionConverter(
    AZ::SerializeContext& serializeContext,
    AZ::SerializeContext::DataElementNode& rootElement)
{
    if (rootElement.GetVersion() < 3)
    {
        rootElement.AddElement(serializeContext, "BaseClass1", azrtti_typeid<IAnimTrack>());
    }

    return true;
}

template<>
inline void TAnimTrack<IBoolKey>::Reflect(AZ::ReflectContext* context)
{
    if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
    {
        serializeContext->Class<TAnimTrack<IBoolKey>, IAnimTrack>()
            ->Version(3, &BoolTrackVersionConverter)
            ->Field("Flags", &TAnimTrack<IBoolKey>::m_flags)
            ->Field("Range", &TAnimTrack<IBoolKey>::m_timeRange)
            ->Field("ParamType", &TAnimTrack<IBoolKey>::m_nParamType)
            ->Field("Keys", &TAnimTrack<IBoolKey>::m_keys)
            ->Field("Id", &TAnimTrack<IBoolKey>::m_id);
    }
}

//////////////////////////////////////////////////////////////////////////
void CBoolTrack::Reflect(AZ::ReflectContext* context)
{
    TAnimTrack<IBoolKey>::Reflect(context);

    if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
    {
        serializeContext->Class<CBoolTrack, TAnimTrack<IBoolKey>>()
            ->Version(1)
            ->Field("DefaultValue", &CBoolTrack::m_bDefaultValue);
    }
}