/*
  ==============================================================================

  This is an automatically generated GUI class created by the Introjucer!

  Be careful when adding custom code to these files, as only the code within
  the "//[xyz]" and "//[/xyz]" sections will be retained when the file is loaded
  and re-saved.

  Created with Introjucer version: 3.1.0

  ------------------------------------------------------------------------------

  The Introjucer is part of the JUCE library - "Jules' Utility Class Extensions"
  Copyright 2004-13 by Raw Material Software Ltd.

  ==============================================================================
*/

#ifndef __RBM_COMPONENT__
#define __RBM_COMPONENT__

//[Headers]     -- You can add your own extra header files here --
#include "JuceHeader.h"
#include "DrawComponent.hpp"
#include "Layer.hpp"
//[/Headers]


class IRbmComponent
{
public:
	IRbmComponent *upper;
	IRbmComponent *lower;

	IRbmComponent()
	: upper(nullptr)	
	, lower(nullptr)	
	{}
	virtual ~IRbmComponent()
	{
	}
	
	virtual void downPass(arma::mat &dst, arma::mat const &src) = 0;
	virtual void upPass(arma::mat const &v) = 0;
	void registerRbm(IRbmComponent *pObj)
	{
		lower = pObj;
		pObj->upper = this;
	}
	virtual arma::mat const& getTopWeights() = 0;
	virtual arma::mat getConvolutedWeight(arma::mat const &h) = 0;
	virtual arma::mat const& getWeights() = 0;
};

class RbmComponentListener
{
public:
	RbmComponentListener() {}
	virtual ~RbmComponentListener()
	{
	}
	virtual bool onProgressChanged(size_t progressPercent) = 0;
};


//==============================================================================
/**
                                                                    //[Comments]
    An auto-generated component, created by the Introjucer.

    Describe your class and how it works here!
                                                                    //[/Comments]
*/
class RbmComponent	:	public Component
					,	public Layer
					,	public DrawListener
					,   public IRbmComponent
					,   public Rbm::IListener
{
public:
    //==============================================================================
    RbmComponent (const std::string &name, size_t id, size_t numVisibleX, size_t numVisibleY, size_t numHidden, RbmComponentListener *pListener=nullptr);
    ~RbmComponent();

    //==============================================================================
    //[UserMethods]     -- You can add your own custom methods in this section.
    //[/UserMethods]

    void paint (Graphics& g);
    void resized() override;
    void mouseMove (const MouseEvent& e) override;
    void mouseEnter (const MouseEvent& e) override;
    void mouseExit (const MouseEvent& e) override;
    void mouseDown (const MouseEvent& e) override;
    void mouseDrag (const MouseEvent& e) override;
    void mouseUp (const MouseEvent& e) override;
    void mouseDoubleClick (const MouseEvent& e) override;
    void mouseWheelMove (const MouseEvent& e, const MouseWheelDetails& wheel) override;

	void setWeightsIndex(size_t index);
	size_t getWeightsIndex();

	void setTrainingIndex(arma::mat const& batch);
	size_t getTrainingIndex();

	void redrawWeights();
	void redrawReconstruction();
	arma::mat const& getTrainingData();
	
	void downPass(arma::mat &dst, arma::mat const &src) override
	{
		DrawHidden->getData() = toHiddenProbs(src);
		if (lower)
		{
			lower->downPass(DrawHidden->getData(), DrawHidden->getData());
		}
		dst = toVisibleProbs(DrawHidden->getData());
		DrawHidden->DrawData();
	}

	void upPass(arma::mat const &h) override
	{
		DrawReconstruction->getData() = toVisibleProbs(h);
		DrawReconstruction->DrawData();
		if (upper)
		{
			upper->upPass(DrawReconstruction->getData());
		}
	}
	
	arma::mat const& getTopWeights() override;
	arma::mat getConvolutedWeight(arma::mat const &h) override;
	arma::mat const& getWeights() override;
	
	void train(const arma::mat& batch)
	{
		Layer::train(batch, this);
	}
private:
    //[UserVariables]   -- You can add your own custom variables in this section.
	RbmComponentListener *m_listener;
    ScopedPointer<DrawComponent> DrawTraining;
    ScopedPointer<DrawComponent> DrawReconstruction;
    ScopedPointer<DrawComponent> DrawWeights;
    ScopedPointer<DrawComponent> DrawHidden;
	size_t m_currWeightIndexToDraw;
	size_t m_currTrainingIndexToDraw;
	void onParamsChanged();
	bool onProgress(const Rbm::Status &status) override;
	void onDraw(DrawComponent &obj) override;
    //[/UserVariables]

    //==============================================================================

    //==============================================================================
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (RbmComponent)
};

//[EndFile] You can add extra defines here...
//[/EndFile]

#endif   // __RBM_COMPONENT__