/*
 *  Linear Emotion Emotions2
 *
 *  Author: Andrew Salamon
 *
 *  Copyright (c) 2008 Machine Perception Laboratory
 *  University of California San Diego.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *    3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef __MPT_EMOTIONS1_H__
#define __MPT_EMOTIONS1_H__

#include <string>
#include <vector>
#include <map>
#include <exception>

#ifdef XCODE
#include <CERTFramework/simplematrix.hpp>
#include <CERTFramework/simplematrix_ser.hpp>
#else
#include "simplematrix.hpp"
#include "simplematrix_ser.hpp"
#endif

#include <boost/multi_array.hpp>
#include <boost/array.hpp>

namespace mpt
{

/** Emotion Detector for CERT/AFECT 4.4
 */
class Emotions2
{
public:
    typedef std::map< std::string, Emotions2 > Container;
	typedef enum {
		LINEAR=0,
		SIGMOID=1,
		SOFTMAX=2
	} activationtype;
	static const unsigned int auCount = 11;
    static const unsigned int addAuCount = 8;
    static const unsigned int moreCount = 30;
    static const unsigned int emotionCount = 8;

public:
    /** Constructor taking two filenames.
     * Files are tab delimited text files with weights for 11 and 8 aus,
     *   plus a threshold vector.
     */
    Emotions2( const std::string &file11, const std::string &file8, const std::string &more, const std::string &thresh );

	~Emotions2() { }

	void clear(); ///< Clear the weights

    bool readMatrixFromFile( Matrix2d &matrix, unsigned int lineCount, const std::string &file );

    std::vector<float> calc( const std::vector<float> &aus, const std::vector<float> &add, const std::vector<float> &more );

    /// Currently these are mutually exclusive, turn one on, the other goes off.
	void setActivation( activationtype _acttype);
	activationtype getActivation();
	
	//void setSoftmax( bool _softmax ); ///< Turn on or off a softmax post-processing step. Defaults to false.
	//void setSigmoid( bool _sigmoid ); ///< Turn on or off a sigmoid post-processing step. Defaults to true.

private:
    Matrix2d weights11;
    Matrix2d weights8;
    Matrix2d weightsMore;
    Matrix2d threshold;

	activationtype acttype;
	//bool softmax;
	//bool sigmoid;
};

void printMatrix( const Matrix2d &matrix, const std::string &title = std::string("") );

} // end namespace mpt
#endif