///
/// \file PVGroup.h
///
/// \author Jan Chrin
/// \date November 2014
///

#ifndef PVGROUP_H
#define PVGROUP_H


#include <PVDataHolder.h>


/**
 *   class MemberMap
 *   maps string to index
 */
class MemberMap
{
    typedef std::map<long, std::string> mapLongString;
private:
    mapLongString           mapNameIndex;
    mapLongString::iterator pos;
    Helper helper;

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

    void  insert(int  a, std::string _Name)
    {
        mapNameIndex.insert(std::make_pair(a, _Name));
    };

    std::string getPV (int  i)
    {

        pos = mapNameIndex.find(i);
        if (pos != mapNameIndex.end()) return    pos->second;
        std::cout <<  "Index " << i << " not found! Size of group vector is " << mapNameIndex.size() << std::endl;
        return "";
    };

    int   getIndex (std::string _Name)
    {
        char pvStripped[PVNAME_SIZE];
        helper.removeLeadingAndTrailingSpaces(_Name.c_str(), pvStripped);
        std::string Name=pvStripped;

        for (pos=mapNameIndex.begin(); pos != mapNameIndex.end(); ++pos)
        {

            if (pos->second==Name)
            {
                return pos->first;
            }
            // String searches such as s.find(s1) return string::npos on failure
            //else if ( (pos->second).find(Name)  != std::string::npos) return pos->first;
        }
        std::cout << "PV: " <<  Name << " IS NOT A MEMBER OF THIS LIST " << std::endl;
        return  -1;
    };
};


/**
* class PVGroup
* This class is the holder of PVDataHolder objects associated with
* of group of handles
*/
class PVGroup
{
    friend class Connect;
    friend class CAFE;
    //if HAVE_LIBQTXML
    friend class restorePVGroupXMLParser;
    //endif
private:
    PVDataHolder * pvdata;
    unsigned int   npv;
    char name [PVGROUP_PSEUDO_SIZE];
    int     statusGroup;
    unsigned int  groupHandle;
    bool isIndexOutOfRange (unsigned int  idx)
    {
        return (idx >= npv) ? true:false;
    };
    MemberMap memberMap;

public:
    //Initialize 1st two to avoid compiler warning messages
    PVGroup()
    {
        npv=0;
        pvdata=NULL;
        statusGroup=ICAFE_NORMAL;
        groupHandle=0;
        strcpy(name,"");
    };
    ~PVGroup() {};
    MemberMap getMemberMap() const
    {
        return memberMap;
    };
    PVDataHolder * getPVData() const
    {
        return pvdata;
    };
    PVDataHolder   getPVData(unsigned int  idx) noexcept(false) //throw(std::out_of_range)
    {
        if(isIndexOutOfRange(idx))
        {
            std::ostringstream oss;
            oss << "Exception! Index " << idx <<
                " to PVGroup.pvdata() is out of range. Valid range is from 0 to " << npv-1;
            throw std::out_of_range(oss.str());
        }
        return pvdata[idx];
    };
    void setHasAlarm(bool h)
    {
        for (unsigned int i=0; i<npv; ++i)
        {
            pvdata[i].setHasAlarm(h);
        }
    }
    void setHasTS(bool h)
    {
        for (unsigned int i=0; i<npv; ++i)
        {
            pvdata[i].setHasTS(h);
        }
    }

    unsigned int    getNPV() const
    {
        return npv;
    };
    std::string getNameAsString() const
    {
        return name;
    };
    const char * getName()   const
    {
        return (const char *) name;
    };
    int  getStatusGroup()    const
    {
        return statusGroup;
    };
    int  getGroupStatus()    const
    {
        return statusGroup;
    };
    unsigned int  getGroupHandle() const
    {
        return groupHandle;
    };

    int  PV2Index(std::string _pv)     const
    {
        return getMemberMap().getIndex(_pv);
    }
    std::string Index2PV(unsigned int _idx) const
    {
        return getMemberMap().getPV(_idx);
    }

    void setPVData(PVDataHolder * _pvdata)
    {

        //We do not need to make a deep copy
        /*
        for (unsigned int i=0; i<npv; ++i) {
            pvdata[i].alarmStatus=_pvdata[i].alarmStatus;
            pvdata[i].alarmSeverity=_pvdata[i].alarmSeverity;
            pvdata[i].status=_pvdata[i].status;
            pvdata[i].nelem=_pvdata[i].nelem;
            pvdata[i].size=_pvdata[i].size;
            pvdata[i].dataType=_pvdata[i].dataType;
            pvdata[i].dataTypeNative=_pvdata[i].dataTypeNative;
            pvdata[i].rule=_pvdata[i].rule;
            pvdata[i].beamEventNo=_pvdata[i].beamEventNo;
            pvdata[i].userNo=_pvdata[i].userNo;
            pvdata[i].ts.nsec=_pvdata[i].ts.nsec;
            pvdata[i].ts.secPastEpoch=_pvdata[i].ts.secPastEpoch;
            strcpy(pvdata[i].pv,_pvdata[i].pv);
            strcpy(pvdata[i].pvAlias,_pvdata[i].pvAlias);
            strcpy(pvdata[i].device,_pvdata[i].device);
            strcpy(pvdata[i].attrib,_pvdata[i].attrib);
        }
        */

        //Shallow copy will do
        pvdata=_pvdata;
    };

    void set(unsigned int  _npv)
    {
        npv=_npv;
    };
    void setName(const char * _name)
    {
        strcpy(name, _name);
    };
    void setName(std::string _name)
    {
        strcpy(name,_name.c_str());
    };
    void setStatusGroup(int  _sg)
    {
        statusGroup=_sg;
    }


    void show()
    {
        print(npv) ;
    }
    void showMax(unsigned int  npvToPrint)
    {
        print(npvToPrint);
    }
    void showMaxMax(unsigned int  npvToPrint, unsigned int  maxNelemWF)
    {
        print(npvToPrint, maxNelemWF);
    }

    void print()
    {
        print(npv) ;
    }
    void print(unsigned int  npvToPrint)
    {
        npvToPrint=std::min(npvToPrint,npv);
        std::cout << "------------ PVGroup Handle = " << groupHandle << " ------------ "<< std::endl;
        std::cout << "PVGROUP: " << name << " HAS " << npv << " MEMBERS " << std::endl;
        std::cout << "PRINTING THE REQUESTED " << npvToPrint << " MEMBERS " << std::endl;
        std::cout << "OVERALL STATUS OF GROUP REPORTS " << statusGroup << std::endl;
        if (statusGroup!=ICAFE_NORMAL)
        {
            CAFEStatus cstat;
            cstat.report(statusGroup);
        }
        for (unsigned int  i=0; i<npvToPrint; ++i)
        {
            std::cout <<  "------------------------------------------" << std::endl;
            std::cout <<  "Element [" << i << "] of " << npvToPrint << " in group: " << name << std::endl;
            pvdata[i].print();
        }
    }
    void print(unsigned int  npvToPrint, unsigned int  maxNelemWF)
    {
        npvToPrint=std::min(npvToPrint,npv);
        std::cout << "------------ PVGroup Handle = " << groupHandle << " ------------ "<< std::endl;
        std::cout << "PVGROUP: " << name << " HAS " << npv << " MEMBERS " << std::endl;
        std::cout << "PRINTING THE REQUESTED " << npvToPrint << " MEMBERS " << std::endl;
        std::cout << "OVERALL STATUS OF GROUP REPORTS " << statusGroup << std::endl;
        if (statusGroup!=ICAFE_NORMAL)
        {
            CAFEStatus cstat;
            cstat.report(statusGroup);
        }
        for (unsigned int  i=0; i<npvToPrint; ++i)
        {
            std::cout <<  "------------------------------------------" << std::endl;
            std::cout <<  "Element [" << i << "] of " << npvToPrint << " in group: " << name << std::endl;
            pvdata[i].print(std::min(maxNelemWF,pvdata[i].getNelem()));
        }
    }

    void printIfError()
    {
        unsigned int  npvToPrint=npv;
        bool iErrorFound=false;
        for (unsigned int  i=0; i<npvToPrint; ++i)
        {
            if (pvdata[i].getStatus() != ICAFE_NORMAL)
            {
                if(!iErrorFound)
                {
                    std::cout << "PVGROUP: " << name << " HAS " << npv << " MEMBERS " << std::endl;
                    std::cout << "PRINTING PV TRANSACTIONS WITH ERRORS " << std::endl;
                    iErrorFound=true;
                }
                std::cout << "------------------------------------------------------------" << std::endl;
                std::cout << "Element [" << i << "] of " << npv << " in group: " << name << std::endl;
                pvdata[i].print();
            }
        }
    }
};



#endif //PVGROUP_H