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

  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.h"
#include "Rbm.hpp"
//[/Headers]


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

	IRbmComponent()
	: upper(nullptr)	
	, lower(nullptr)	
	{}
	virtual ~IRbmComponent()
	{
	}
	
	virtual void batchchanged() = 0;
	virtual void toHidden(RowVectorXd &h, RowVectorXd const &v) = 0;
	virtual void toVisible(RowVectorXd &v, RowVectorXd const &h) = 0;
	virtual void downPass(RowVectorXd &h) = 0;
	virtual void upPass(RowVectorXd const &v) = 0;
	void registerRbm(IRbmComponent *pObj)
	{
		lower = pObj;
		pObj->upper = this;
	}
};

class RbmComponentListener
{
public:
	RbmComponentListener() {}
	virtual ~RbmComponentListener()
	{
	}
	virtual void 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 RbmListener,
                       public DrawListener,
						public IRbmComponent
{
public:
    //==============================================================================
    RbmComponent (Weights &weights, MatrixXd const &batch, RbmComponentListener &listener);
    ~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 setDoLearnVariance(bool value);
	void setDoRaoBlackwell(bool enable);
	void setUseProbsForHiddenReconstruction(bool enable);
	void setUseVisibleGaussian(bool enable);
	void setDoSparse(bool enable);
	void setNormalizeData(bool enable);
	void setLambda(double value);
	void setSigmaDecay(double value);
	void setWeightDecay(double value);
	void setSparsity(double value);
	void setNumGibbs(size_t value);
	void setSigma(double value);
	void setMuWeights(double value);
	void setMuSparsity(double value);
	void setMomentum(double value);
	void batchchanged() override;
	void setWeightsIndex(size_t index);
	size_t getWeightsIndex();

	void setTrainingIndex(size_t index);
	size_t getTrainingIndex();

	void copyReconstructionToTraining();
	void redrawWeights();
	void redrawReconstruction();
	void redrawVariances();
	void train(size_t numEpochs);
	RowVectorXd const& getTrainingData();
	MatrixXd const& getHiddenBatch()
	{
		return m_pRbm->getHiddenBatch();
	}
	
	Rbm::Params const& params()
	{
		return m_pRbm->params();
	}
	
	void reconstructVisible(RowVectorXd& dst, const RowVectorXd& src)
	{
		toHidden(DrawHidden->getData(), src);
		toVisible(dst, DrawHidden->getData());
		DrawHidden->DrawData();
	}

	void toVisible(RowVectorXd &v, RowVectorXd const &h) override
	{
		m_pRbm->toVisible(v, h);
	}

	void toHidden(RowVectorXd &h, RowVectorXd const &v) override
	{
		m_pRbm->toHidden(h, v);
		if (lower)
		{
			lower->downPass(h);
		}
	}

	void downPass(RowVectorXd& h) override
	{
		toHidden(DrawHidden->getData(), h);
		m_pRbm->toVisible(h, DrawHidden->getData());
		DrawHidden->DrawData();
	}

	void upPass(RowVectorXd const &h) override
	{
		toVisible(DrawReconstruction->getData(), h);
		DrawReconstruction->DrawData();
		if (upper)
		{
			upper->upPass(DrawReconstruction->getData());
		}
	}
	
private:
    //[UserVariables]   -- You can add your own custom variables in this section.
	ScopedPointer<Rbm> m_pRbm;
    Weights &m_weights;
	RbmComponentListener &m_listener;
    ScopedPointer<DrawComponent> DrawTraining;
    ScopedPointer<DrawComponent> DrawReconstruction;
    ScopedPointer<DrawComponent> DrawWeights;
    ScopedPointer<DrawComponent> DrawVars;
    ScopedPointer<DrawComponent> DrawHidden;
	size_t m_currWeightIndexToDraw;
	size_t m_currTrainingIndexToDraw;
	void onProgressChanged(const Rbm &obj) 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__