///
/// \file    handleHelper.h
/// \author  Jan Chrin, PSI
/// \date    Release: February 2015
/// \version CAFE 1.0.0
///

#ifndef HANDLEHELPER_H
#define HANDLEHELPER_H

#include <cadef.h>
#include <helper.h>
#include <defines.h>
#include <hashConduit.h>
#include <conduitFriends.h>
#include <hashConduitGroup.h>
#include <cafeDataType.h>


class HandleHelper : public Helper {

    private:
        CAFEStatus cafeStatus;
        cafeConduit_set::iterator itcs;

        cafeGroup_set::iterator itgs;

        ChannelRequestMetaDataClient channelRequestMetaDataClient;
        ChannelRequestMetaData channelRequestMetaData;

        ChannelRequestMetaDataClient channelRequestMetaCtrlClient;
        ChannelRequestMetaData channelRequestMetaCtrl;

        ChannelDeviceAttribute channelDeviceAttribute;
				
        CAFEDataTypeCode cafeDataTypeCode;

				PrintErrorPolicy printErrorPolicy;

        struct etsNorm{ unsigned int secPastEpoch; unsigned int nsec;};
        struct etsDate{ int year; int mon; int day;
                        int hour; int min; int sec; unsigned long nsec;};


    public:
			
        HandleHelper(){};
        ~HandleHelper(){};		

				//Move to private if possible
				int setSTS(unsigned int  _handle, dbr_short_t a, dbr_short_t s, epicsTimeStamp ets);


        etsNorm _etsNorm;
        etsDate _etsDate;

        int  checkConsistency();
        int  checkConsistency(unsigned int  _handle);

        int  setChannelDeviceAttribute(std::string deliminator);
        int  setChannelDeviceAttribute(unsigned int  _handle, std::string deliminator);

        int  getChannelDevice(unsigned int  _handle, std::string & device);
        int  getChannelAttribute(unsigned int  _handle, std::string & attribute);

        int  getChannelRegalia(unsigned int  _handle, ChannelRegalia & channelInfo);

				int  getChannelRequestStatusGetClassName(unsigned int  _handle, ChannelRequestStatus &crsClassName);
				int  getChannelRequestStatusGetSTSACK   (unsigned int  _handle, ChannelRequestStatus &crsSTSACK);
				int  getChannelRequestStatusGetCtrl     (unsigned int  _handle, ChannelRequestStatus &crsCtrl);
				int  getChannelRequestStatusGet         (unsigned int  _handle, ChannelRequestStatus &crs);


        //Add getPVFromHandle       
        ca_client_context *  getContextFromPV     (const char * _pv);
        ca_client_context *  getContextFromHandle (unsigned int _handle);

        const char * getPVFromHandle     (unsigned int  _handle);
        const char * getPVFromHandle     (unsigned int  _handle, ca_client_context * ccc);

        unsigned int  getHandleFromPV     (const char * _pv);
        unsigned int  getHandleFromPV     (const char * _pv, ca_client_context * ccc);
        unsigned int  getHandleFromPVAlias(const char * _pv);
        unsigned int  getHandleFromPVAlias(const char * _pv, ca_client_context * ccc);

				vector<unsigned int> getHandlesFromPVs(vector<string> pvV,  ca_client_context * ccc);
				vector<unsigned int> getHandlesFromPVs(vector<string> pvV); 

		    vector<unsigned int>  getHandlesFromWithinGroupV(unsigned int  gh);
        unsigned int * getHandlesFromWithinGroup(unsigned int  gh);

        unsigned int  getHandleFromPVWithinGroup(const char * _pv, unsigned int  gh);
        unsigned int  getHandleFromPVWithinGroup(const char * _pv,
                                  ca_client_context * ccc, unsigned int  gh);

        int getStatus   (unsigned int  h);
        int getTimeStamp(unsigned int  h, epicsTimeStamp &ts);


        etsNorm getEpicsTimeStampAsUInt32(unsigned int h) {
            epicsTimeStamp ts;
            getTimeStamp(h, ts);
            _etsNorm.secPastEpoch=ts.secPastEpoch; _etsNorm.nsec=ts.nsec;
            return _etsNorm;};

        etsDate getEpicsTimeStampAsDate(unsigned int h) {
            epicsTimeStamp ts;

            getTimeStamp(h, ts);

            epicsTime time(ts);

            local_tm_nano_sec local = (local_tm_nano_sec) time;
            _etsDate.year = local.ansi_tm.tm_year + 1900;
            _etsDate.mon = local.ansi_tm.tm_mon  + 1;
            _etsDate.day = local.ansi_tm.tm_mday;
            _etsDate.hour = local.ansi_tm.tm_hour;
            _etsDate.min = local.ansi_tm.tm_min;
            _etsDate.sec = local.ansi_tm.tm_sec;

						_etsDate.nsec = (unsigned long) ts.nsec;

            return _etsDate;
        }

		etsDate epicsTimeStampToDate(epicsTimeStamp ts) {
			epicsTime time(ts);
			local_tm_nano_sec local = (local_tm_nano_sec) time;
			_etsDate.year = local.ansi_tm.tm_year + 1900;
			_etsDate.mon = local.ansi_tm.tm_mon  + 1;
			_etsDate.day = local.ansi_tm.tm_mday;
			_etsDate.hour = local.ansi_tm.tm_hour;
			_etsDate.min = local.ansi_tm.tm_min;
			_etsDate.sec = local.ansi_tm.tm_sec;
			_etsDate.nsec = (unsigned long) ts.nsec;
			return _etsDate;
		}



        int getPulseID(unsigned int h, unsigned int &pulseID) {
            epicsTimeStamp ts;            
            int status=getTimeStamp(h, ts);
            if (status==ICAFE_NORMAL){
                std::string nsS = static_cast<ostringstream*>( &(ostringstream() << ts.nsec) )->str();              
                int l=nsS.length();
                int startPos=max(l-6,0);
                std::string pidS = nsS.substr(startPos,min(6,l));
                if ( ! (istringstream(pidS) >> pulseID) ) pulseID = 0;
            }
            return status;
        }

        unsigned int getPulseIDFromTS(epicsTimeStamp ts) {
            unsigned int pulseID;
            std::string nsS = static_cast<ostringstream*>( &(ostringstream() << ts.nsec) )->str();
            int l=nsS.length();
            int startPos=max(l-6,0);
            std::string pidS = nsS.substr(startPos,min(6,l));
            if ( ! (istringstream(pidS) >> pulseID) ) pulseID = 0;
            return pulseID;
        }

        int  getAlarmStatusSeverity(unsigned int  h, dbr_short_t as[2]);
				int  getAlarmStatusSeverityAsString(unsigned int  h, string asas[2]);
        unsigned int  getNoHandles();
        unsigned int  getNextFreeHandle();

        bool isChannelConnected(unsigned int handle);

        int  printHandle (unsigned int  h);
		    int  printHandlesV(vector<unsigned int> handleV);
		    int  printHandles(unsigned int * handleArray, unsigned int nHandles);      
				unsigned int  printHandles();
        unsigned int  printChannels(){return printHandles();};
        unsigned int  printDisconnectedHandles();
        unsigned int  printDisconnectedChannels(){return printDisconnectedChannels();};
		    unsigned int  getDisconnectedHandles(vector<unsigned int> &, vector<string> &);
				unsigned int  getConnectedHandles(vector<unsigned int> &, vector<string> &);
				unsigned int  getHandles(vector<unsigned int> &, vector<string> &);
				unsigned int  getHandleStates(vector<unsigned int> &, vector<string> &, vector<unsigned short> &);
        unsigned int  printMonitors(); 
				
				vector<unsigned int> getHandlesWithMonitors();
        int  getMonitorHandlesAndActions(vector<unsigned int> & handleV, vector<string> & actionV);  
				  		
		    int  setCafeDbrTypeV(vector<unsigned int>  _handleV, CAFENUM::DBR_TYPE cdt);
        int  setCafeDbrType(unsigned int  _handle, CAFENUM::DBR_TYPE cdt);
        int  getCafeDbrType(unsigned int  _handle, CAFENUM::DBR_TYPE &cdt);

        bool isEnum(unsigned int  _handle);
				short  getEnumFromString(unsigned int  _handle, string enumStringValue);
				string getStringFromEnum(unsigned int  _handle, unsigned short enumValue);

        int  getDataTypeNative (unsigned int  _handle, chtype &ndt);
        int  getDataTypeRequest(unsigned int  _handle, chtype &rdt);

        int  eraseMonitorAction(unsigned int  _handle);
        int  clearMonitorAction(unsigned int  _handle);

        int  clearMonitorAction();

        int  addMonitorAction(unsigned int  _handle, string mAction);
        int  getMonitorAction(unsigned int  _handle, vector<string> &msV);
        vector<string> getMonitorAction(bool onlyIfNewData); //all handles; false gives all

        int  getMonitorPolicyVector(unsigned int  _handle, vector<MonitorPolicy> &mpV);
				int  getMonitorPolicyInWaitingVector(unsigned int  _handle, vector<MonitorPolicy> &mpV);
	 	    int  getNmonitor(unsigned int _handle);
				int  getNmonitorData(unsigned int _handle);
				int  getNmonitorCtrl(unsigned int _handle);
				vector<unsigned int> getMonitorIDs(unsigned int _handle);
				vector<unsigned int> getMonitorIDsInWaiting(unsigned int _handle);

        unsigned int getUsrArgsAsUInt(unsigned int _handle); //From  c.channelRequestMetaData.usrArg 
        chtype getDataTypeCB(unsigned int _handle);
				chtype getDbrDataTypeCB(unsigned int _handle);
				CAFENUM::DBR_TYPE getCafeDbrTypeCB(unsigned int _handle);
 
        //setNoElements
        int     setNelem (); //All handles to native
        unsigned int     setNelem (unsigned int  _handle); //To Native
				unsigned int     setNelemToNative (unsigned int  _handle){return setNelem(_handle);}; //To Native
        unsigned int     setNelem (unsigned int  _handle, unsigned int  _nelem);
        //For Arrays:
			  unsigned int     setNelemToRetrieveFromCache (unsigned int  _handle);
        unsigned int     setNelemToRetrieveFromCache (unsigned int  _handle, unsigned int  _nelem);
				unsigned int     setNelemToRetrieveFromCtrlCache (unsigned int  _handle);
        unsigned int     setNelemToRetrieveFromCtrlCache (unsigned int  _handle, unsigned int  _nelem);
        unsigned int     getNelemToRetrieveFromCache (unsigned int  _handle);
        unsigned int     getNelemToRetrieveFromCtrlCache (unsigned int  _handle);

        char * getPV      (unsigned int  _handle);
        char * getPVAlias (unsigned int  _handle);

        unsigned int     getNelemClient  (unsigned int  _handle);
        unsigned int     getNelemNative  (unsigned int  _handle);
        unsigned int     getNelemRequest (unsigned int  _handle);

        int  getNelem(unsigned int  _handle, unsigned int  &c, unsigned int  &n,  unsigned int  &r);

        //Ctrl
				
        unsigned int     setNelemCtrl (unsigned int  _handle, unsigned int  _nelem);
        unsigned int     getNelemRequestCtrl (unsigned int _handle);
        unsigned int     getNelemClientCtrl  (unsigned int _handle);
        //setOffSet
        unsigned int     setOffset(unsigned int  _handle, unsigned int  _offset);
        unsigned int     getOffset(unsigned int  _handle);
				unsigned int     getOffsetLast(unsigned int  _handle);

        void    setFirstAndLastArrayElements(unsigned int  _handle,
                                    unsigned int  _start, unsigned int  _last){
            if (_last > _start ) { setOffset(_handle, _start); setNelem(_handle, _last);}
            else {std::cout << " offset must be less than the nelements" <<std::endl; };
        };


        //long    setOffsetCtrl(unsigned int  _handle, unsigned int  _offset);

        //Groups
        unsigned int  getGroupHandleFromGroupName(const char * _groupName){
            ca_client_context * ccc= ca_current_context();
            return getGroupHandleFromGroupName(_groupName, ccc);
        }

        unsigned int  getGroupHandleFromGroupName(const char * _groupName, ca_client_context * ccc);
        string getGroupNameFromGroupHandle(unsigned int  groupHandle);

        unsigned int getGroupNPV(unsigned int gHandle);
        unsigned int getGroupNPV(const char * _groupName, ca_client_context * ccc);
        unsigned int getGroupNPV(const char * _groupName){
            ca_client_context * ccc= ca_current_context();
            return getGroupNPV(_groupName, ccc);
        }

};
#endif