/******************************************************************************************************************
* Action instruction algorithm
*
* arg[0] data determination expression
* 
* 
*
*   1.0    2020-12-17    zoufuzhou
******************************************************************************************************************/
#ifndef  _H_ALGORITHM_EXPRESSION_H
#define  _H_ALGORITHM_EXPRESSION_H

#include <eqpalg/AlgCommonDefine.h>
#include <eqpalg/stat/SampleTrendAnalysis.h>
#include <eqpalg/AlgorithmBase.h>
#include <glob/MathExpression.h>
#include <string>
#include <iostream>
#include <iomanip>



class AlgExp:virtual public AlgorithmBase
{
	public:
		AlgExp(const string& name,const Json::Value& rulejson, const string& ruleid,IHDBTools* ihdbtool);

		virtual ~AlgExp();

	public:

		virtual int Reload();
		virtual int calculate(string& outjson);

	protected:


    virtual void PrintExpVar(const string& expstr = "");


	protected:
      MathExpression* mp_expret;
      std::map<std::string, double> mm_vars;
      int          m_datasource;   // 0:iHyerDB,1:memory
      int          m_modest;       // 0:history,1:cycle
      int          m_modejudge;    // 0: absolute difference, 1: error percentage (%), 2: normal value signal (%)
      string       m_expstr;
      bool         m_keep;
      bool         m_timemode;
      double       m_samplediff;
      int          m_archive;


	protected:
      bool expact;
      bool expfbk;
      bool expret;

	protected:
      SampleTrendAnalysis* mp_sample;

};

#endif