/*! \file StatisticEle.h
	\brief A brief file description.
  	
	A more elaborated file description.
	
	Created: 2015/07/12, author: Jin Bingwen.
*/

#ifndef __StatisticEle_h_
#define __StatisticEle_h_

#include <vector>
#include <deque>
#include <list>
#include "StdUtils.h"
#include "CyclopsVersion.h"
#include "CyclopsModules.h"

class StatisticsNode : public ICyclopsModuleInstance
{
public:
    enum TrimMode
    {
        HeadTail,
        HeadOnly,
        TailOnly
    };

	/*! \fn getMean
	 * Get value of average value of source data
	 */
	DECLARE_PARAMETER_GET(double, Mean)
	/*! \fn getMax
	 * Get value of maximum value in source data
	 */
	DECLARE_PARAMETER_GET(double, Max)
	/*! \fn getMin
	 * Get value of minimum value in source data
	 */
	DECLARE_PARAMETER_GET(double, Min)
	/*! \fn getStdDev
	 * Get value of standard deviation of source data
	 */
	DECLARE_PARAMETER_GET(double, StdDev)
	/*! \fn getLast
	 * Get value of last value in source data
	 */
	DECLARE_PARAMETER_GET(double, Last)

	/*! \fn getMaxIdx
	 * Get value of index of the maximum element in source data
	 */
	DECLARE_PARAMETER_GET(int, MaxIdx)
	/*! \fn getMinIdx
	 * Get value of index of the minimum element in source data
	 */
	DECLARE_PARAMETER_GET(int, MinIdx)
	/*! \fn getCount
	 * Get value of total count of source data
	 */
	DECLARE_PARAMETER_GET(int, Count)
	/*! \fn getTargetPercent
	 * Get the percentage of target elements whose value is above defined threshold among source data
	 */
	DECLARE_PARAMETER_GET(double, TargetPercent)
	/*! \fn getTargetCoun
	 * Get the count of target elements whose value is above defined threshold
	 */
	DECLARE_PARAMETER_GET(int, TargetCount)

public:
    StatisticsNode();

    StatisticsNode(double mean, double maxVal, double minVal, double stdDev, unsigned int count);

	virtual ~StatisticsNode() {}

	//! Smart pointer to hold an instance of StatisticsNode
	typedef std::shared_ptr<StatisticsNode> Ptr;
	DECL_GET_INSTANCE(StatisticsNode::Ptr)

    virtual void compute(float filterPercent = 0, float targetThre = 0, TrimMode trimMode = HeadTail);
	virtual void writeFile(std::string filePath);

    static void compute(vector<StatisticsNode>& statVec,
        float filterPercent = 0,
        float targetAbsThre = 0,
        TrimMode trimMode = HeadTail);
    static void writeFile(std::string baseFilePath, vector<StatisticsNode>& statVec);

	virtual std::list<double> getSourceInList(int num = 0) const;

	virtual void clear(bool clearSource = true);

public:
    std::deque<double> mSource;
};

#endif // __StatisticEle_h_