/******************************************************************************************************************
* Action instruction algorithm
*
* arg[0] action expression
* arg[1] feedback expression
* arg[2] expression of judgment result
*
*   1.0    2020-12-17    zoufuzhou
******************************************************************************************************************/
#ifndef  _H_ALGORITHM_EXPRESSION_STAT_H
#define  _H_ALGORITHM_EXPRESSION_STAT_H

#include <eqpalg/AlgCommonDefine.h>
#include <eqpalg/AlgorithmBase.h>
#include <glob/MathExpression.h>
#include <zcus/IHDBTools.h>
#include <string>
#include <iostream>
#include <iomanip>



class AlgExpStat:virtual public AlgorithmBase
{
	public:
		AlgExpStat(const string name,const Json::Value rulejson, const string ruleid);

		virtual ~AlgExpStat();

	public:

		virtual int Reload();
		virtual int calculate(string& outjson);
	
	private:
	
		int calculate_once(string& outjson);
		
		void freeDB3Record();
		
		int queryDB3Record();

	private:
    	MathExpression* mp_expact;
    	MathExpression* mp_expfbk;
    	MathExpression* mp_expret;
    	std::map<std::string, double> mm_vars;

	private:
    	IHDBTools*   mp_ihdb;
    	int          m_datasource;   // 0:iHyerDB,1:memory
    	int          m_modest;       // 0:history,1:cycle
    	HD3Record*   mp_hdRec;
    	string       m_expstr;
    	bool         m_keep;
    	bool         m_timemode;
    	long long    m_btime;
	 
	private:
    	bool expact;
    	bool expfbk;
    	bool expret;
		
	private:
    	HD3TimeRegion m_timeRegion;
    	HD3Record **mp_recordsQueried;
    	long long m_start, m_end;
};

#endif