/*
 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "beat-control-impl.h"
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/control-devel.h>
#include <dali-toolkit/devel-api/visual-factory/visual-factory.h>

using namespace Dali; // Needed for macros
using namespace Dali::Toolkit;

namespace Demo
{
namespace Internal
{

namespace
{

const int BOUNCE_ANIMATION_RUNNING(0x0001);
const int FADE_ANIMATION_RUNNING  (0x0002);
const int X_ANIMATION_RUNNING     (0x0004);
const int Y_ANIMATION_RUNNING     (0x0008);


Dali::BaseHandle Create()
{
  return Demo::BeatControl::New();
}

DALI_TYPE_REGISTRATION_BEGIN( BeatControl, Dali::Toolkit::Control, Create );

DALI_PROPERTY_REGISTRATION( Demo, BeatControl, "bounceTransition", STRING, BOUNCE_TRANSITION );
DALI_PROPERTY_REGISTRATION( Demo, BeatControl, "leftTransition", STRING, LEFT_TRANSITION );
DALI_PROPERTY_REGISTRATION( Demo, BeatControl, "upTransition", STRING, UP_TRANSITION );
DALI_PROPERTY_REGISTRATION( Demo, BeatControl, "fadeTransition", STRING, FADE_TRANSITION );
DALI_PROPERTY_REGISTRATION( Demo, BeatControl, "beatVisual", MAP, BEAT_VISUAL );
DALI_TYPE_REGISTRATION_END();


Toolkit::TransitionData ConvertPropertyToTransition( const Property::Value& value )
{
  Toolkit::TransitionData transitionData;

  const Property::Array* array = value.GetArray();
  if( array )
  {
    transitionData = Toolkit::TransitionData::New( *array );
  }
  else
  {
    const Property::Map* map = value.GetMap();
    if( map )
    {
      transitionData = Toolkit::TransitionData::New( *map );
    }
  }
  return transitionData;
}

} // anonymous namespace


Internal::BeatControl::BeatControl()
: Control( ControlBehaviour( REQUIRES_STYLE_CHANGE_SIGNALS ) ),
  mTransformSize(1.0f, 1.0f),
  mTransformOrigin(Align::CENTER),
  mTransformAnchorPoint(Align::CENTER),
  mAnimationPlaying(0)
{
}

Internal::BeatControl::~BeatControl()
{
}

Demo::BeatControl Internal::BeatControl::New()
{
  IntrusivePtr<Internal::BeatControl> impl = new Internal::BeatControl();
  Demo::BeatControl handle = Demo::BeatControl( *impl );
  impl->Initialize();
  return handle;
}


void BeatControl::StartBounceAnimation()
{
  if( mAnimation )
  {
    mAnimation.Stop();
    mAnimation.FinishedSignal().Disconnect( this, &BeatControl::OnBounceAnimationFinished );
    OnBounceAnimationFinished(mAnimation);
  }

  mAnimation = DevelControl::CreateTransition( *this, mBounceTransition );
  mAnimation.FinishedSignal().Connect( this, &BeatControl::OnBounceAnimationFinished );
  mAnimation.Play();
  mAnimationPlaying |= BOUNCE_ANIMATION_RUNNING;
}


void BeatControl::StartXAnimation()
{
  if( mXAnimation )
  {
    mXAnimation.Stop();
    mXAnimation.FinishedSignal().Disconnect( this, &BeatControl::OnXAnimationFinished );
    OnXAnimationFinished(mXAnimation);
  }

  mXAnimation = DevelControl::CreateTransition( *this, mLeftTransition );
  mXAnimation.FinishedSignal().Connect( this, &BeatControl::OnXAnimationFinished );
  mXAnimation.Play();
  mAnimationPlaying |= X_ANIMATION_RUNNING;
}

void BeatControl::StartYAnimation()
{
  if( mYAnimation )
  {
    mYAnimation.Stop();
    mYAnimation.FinishedSignal().Disconnect( this, &BeatControl::OnYAnimationFinished );
    OnYAnimationFinished(mYAnimation);
  }

  mYAnimation = DevelControl::CreateTransition( *this, mUpTransition );
  mYAnimation.FinishedSignal().Connect( this, &BeatControl::OnYAnimationFinished );
  mYAnimation.Play();
  mAnimationPlaying |= Y_ANIMATION_RUNNING;
}

void BeatControl::StartFadeAnimation()
{
  if( mFadeAnimation )
  {
    mFadeAnimation.Stop();
    mFadeAnimation.FinishedSignal().Disconnect( this, &BeatControl::OnFadeAnimationFinished );
    OnFadeAnimationFinished(mFadeAnimation);
  }

  mFadeAnimation = DevelControl::CreateTransition( *this, mFadeTransition );
  mFadeAnimation.FinishedSignal().Connect( this, &BeatControl::OnFadeAnimationFinished );
  mFadeAnimation.Play();
  mAnimationPlaying |= FADE_ANIMATION_RUNNING;
}

void BeatControl::OnBounceAnimationFinished( Animation& src )
{
  mAnimationPlaying &= ~BOUNCE_ANIMATION_RUNNING;
}
void BeatControl::OnXAnimationFinished( Animation& src )
{
  mAnimationPlaying &= ~X_ANIMATION_RUNNING;
}
void BeatControl::OnYAnimationFinished( Animation& src )
{
  mAnimationPlaying &= ~Y_ANIMATION_RUNNING;
}
void BeatControl::OnFadeAnimationFinished( Animation& src )
{
  mAnimationPlaying &= ~FADE_ANIMATION_RUNNING;
}

void BeatControl::OnInitialize()
{
  Actor self = Self();
}

void BeatControl::OnStageConnection( int depth )
{
  Control::OnStageConnection( depth );
}

void BeatControl::OnStageDisconnection()
{
  Control::OnStageDisconnection();
}

void BeatControl::OnSizeSet( const Vector3& targetSize )
{
  Control::OnSizeSet( targetSize );
  RelayoutVisuals( Vector2( targetSize ) );
}

void BeatControl::OnRelayout( const Vector2& targetSize, RelayoutContainer& container )
{
  RelayoutVisuals( targetSize );
}

void BeatControl::RelayoutVisuals( const Vector2& targetSize )
{
  if( mVisual )
  {
    if( (mAnimationPlaying & (X_ANIMATION_RUNNING | Y_ANIMATION_RUNNING)) == 0)
    {
      Vector2 size( targetSize );
      Property::Map transformMap;
      // Make the visual half the size of the control, but leave
      // origin and anchor point at center, position is relative, but Zer0
      transformMap[ Visual::Transform::Property::SIZE ] = mTransformSize;
      transformMap[ Visual::Transform::Property::ORIGIN ] = mTransformOrigin;
      transformMap[ Visual::Transform::Property::ANCHOR_POINT ] = mTransformAnchorPoint;
      mVisual.SetTransformAndSize( transformMap, size );
    }
  }
}

Vector3 BeatControl::GetNaturalSize()
{
  if( mVisual )
  {
    Vector2 naturalSize;
    mVisual.GetNaturalSize(naturalSize);
    return Vector3(naturalSize);
  }
  return Vector3::ZERO;
}

void BeatControl::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change )
{
  // Chain up.
  Control::OnStyleChange( styleManager, change );
}


///////////////////////////////////////////////////////////
//
// Properties
//

void BeatControl::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
{
  Demo::BeatControl beatControl = Demo::BeatControl::DownCast( Dali::BaseHandle( object ) );

  if( beatControl )
  {
    BeatControl& impl = GetImpl( beatControl );
    Actor self = impl.Self();
    switch ( index )
    {
      case Demo::BeatControl::Property::BEAT_VISUAL:
      {
        bool sizeAndPositionOnly = false;

        // Determine if a transform.size property exists in the map, and
        // save it.
        Property::Map* map = value.GetMap();
        if( map )
        {
          Property::Value* value = map->Find( Visual::Property::TRANSFORM, "transform" );
          if( value )
          {
            Property::Map* transformMap = value->GetMap();
            if( transformMap )
            {
              // We'll increment this whenever SIZE, ORIGIN or ANCHOR_POINT's are modified as we won't need to create a new visual if only these properties are used
              // If there are more properties in the transform map, then we need to create a new visual
              unsigned int sizeAndPositionPropertyCount = 0;

              Property::Value* sizeValue = transformMap->Find( Visual::Transform::Property::SIZE, "size" );
              if( sizeValue )
              {
                sizeValue->Get( impl.mTransformSize );
                ++sizeAndPositionPropertyCount;
              }

              Property::Value* originValue = transformMap->Find( Visual::Transform::Property::ORIGIN, "origin" );
              if( originValue )
              {
                int intValue = 0;
                if( originValue->Get( intValue ) )
                {
                  impl.mTransformOrigin = static_cast< Toolkit::Align::Type >( intValue );
                  ++sizeAndPositionPropertyCount;
                }
              }

              Property::Value* anchorPointValue = transformMap->Find( Visual::Transform::Property::ANCHOR_POINT, "anchorPoint" );
              if( anchorPointValue )
              {
                int intValue = 0;
                if( anchorPointValue->Get( intValue ) )
                {
                  impl.mTransformAnchorPoint = static_cast< Toolkit::Align::Type >( intValue );
                  ++sizeAndPositionPropertyCount;
                }
              }

              // If the only properties that the application is overriding are the size and the position properties, then we do not need to create another visual.
              if( map->Count() == 1 && transformMap->Count() == sizeAndPositionPropertyCount )
              {
                sizeAndPositionOnly = true;
              }
            }
          }
          if( ! sizeAndPositionOnly )
          {
            // Only register a visual if there is more than just a size setting
            impl.mVisual = Toolkit::VisualFactory::Get().CreateVisual( *map );
            DevelControl::RegisterVisual( impl, Demo::BeatControl::Property::BEAT_VISUAL, impl.mVisual );

            // We have registered a new visual: must trigger size negotiation
            // in order to call SetTransformAndSize on the visual with the right size:
            impl.RelayoutRequest();
          }
        }
        break;
      }
      case Demo::BeatControl::Property::BOUNCE_TRANSITION:
      {
        impl.mBounceTransition = ConvertPropertyToTransition( value );
        break;
      }
      case Demo::BeatControl::Property::LEFT_TRANSITION:
      {
        impl.mLeftTransition = ConvertPropertyToTransition( value );
        break;
      }
      case Demo::BeatControl::Property::UP_TRANSITION:
      {
        impl.mUpTransition = ConvertPropertyToTransition( value );
        break;
      }
      case Demo::BeatControl::Property::FADE_TRANSITION:
      {
        impl.mFadeTransition = ConvertPropertyToTransition( value );
        break;
      }
    }
  }
}

Property::Value BeatControl::GetProperty( BaseObject* object, Property::Index propertyIndex )
{
  Property::Value value;

  Demo::BeatControl beatControl = Demo::BeatControl::DownCast( Dali::BaseHandle( object ) );

  if ( beatControl )
  {
    BeatControl& impl = GetImpl( beatControl );
    switch ( propertyIndex )
    {
      case Demo::BeatControl::Property::BEAT_VISUAL:
      {
        if( impl.mVisual )
        {
          Property::Map map;
          impl.mVisual.CreatePropertyMap(map);
          value = map;
        }
        break;
      }
      case Demo::BeatControl::Property::BOUNCE_TRANSITION:
      case Demo::BeatControl::Property::LEFT_TRANSITION:
      case Demo::BeatControl::Property::UP_TRANSITION:
      case Demo::BeatControl::Property::FADE_TRANSITION:
      default:
        break;
    }
  }

  return value;
}


} // Internal
} // Demo