#include "FairDbTutPar.h"

#include "FairDbLogFormat.h"
#include "FairDbLogService.h"
#include "FairDbOutTableBuffer.h"         // for FairDbOutRowStream
#include "FairDbStatement.h"            // for FairDbStatement

#include "FairParamList.h"              // for FairParamList

#include "Riosfwd.h"                    // for ostream
#include "TString.h"                    // for TString

#include <stdlib.h>                     // for exit
#include <memory>                       // for auto_ptr, etc
#include <vector>                       // for vector, vector<>::iterator


using namespace std;

ClassImp(FairDbTutPar);

#include "FairDbReader.tpl"
template class  FairDbReader<FairDbTutPar>;

#include "FairDbWriter.tpl"
template class  FairDbWriter<FairDbTutPar>;



FairDbTutPar::FairDbTutPar(const char* name, const char* title, const char* context, Bool_t own)
  : FairParGenericSet(name,title,context, own),
    fTopPitch(0.),
    fTopAnchor(0.),
    fTopNrFE(0),
    fFeType(""),
    fDbEntry(0),  // Set the default Db Entry to the first slot
    fParam_Writer(NULL), //  Writer Meta-Class for SQL IO
    fParam_Reader(NULL), //  Reader Meta-Class for SQL IO
    fMultConn(FairDbTableInterfaceStore::Instance().fConnectionPool)
{
}


FairDbTutPar::~FairDbTutPar()
{
  if (fParam_Writer) {
    delete fParam_Writer;
    fParam_Writer=NULL;
  }

  if (fParam_Reader) {
    delete fParam_Reader;
    fParam_Reader=NULL;
  }

}


void FairDbTutPar::putParams(FairParamList* list)
{
  std::cout<<"-I- FairDbTutPar::putParams() called"<<std::endl;
  if(!list) { return; }
  list->add("top_pitch",  fTopPitch);
  list->add("top_anchor", fTopAnchor);
  list->add("nr_fe_top",  fTopNrFE);
  list->add("fe_Type",    (Text_t*) &fFeType);
}

Bool_t FairDbTutPar::getParams(FairParamList* list)
{
  if (!list) { return kFALSE; }
  if (!list->fill("top_pitch", &fTopPitch)) { return kFALSE; }
  if (!list->fill("top_anchor", &fTopAnchor)) { return kFALSE; }
  if (!list->fill("nr_fe_top", &fTopNrFE)) { return kFALSE; }
  Text_t feName[80];
  if (!list->fill("fe_Type",feName,80)) { return kFALSE; }
  fFeType = feName;
  return kTRUE;
}

void FairDbTutPar::clear()
{
  fTopPitch=fTopAnchor=0.0;
  fTopNrFE=0;
  fFeType="";
  if (fParam_Writer) { fParam_Writer->Reset(); }
  if (fParam_Reader) { fParam_Reader->Reset(); }
}


string FairDbTutPar::GetTableDefinition(const char* Name)
{

  string sql("create table ");
  if ( Name ) { sql += Name; }
  else { sql += "FAIRDBTUTPAR"; }
  sql += "( SEQNO          INT NOT NULL,";
  sql += "  ROW_ID         INT NOT NULL,";
  sql += "  TOPPITCH       DOUBLE,";
  sql += "  TOPANCHOR      DOUBLE,";
  sql += "  TOPNRFE        INT,";
  sql += "  FETYPE         TEXT,";
  sql += "  primary key(SEQNO,ROW_ID))";
  return sql;
}



void FairDbTutPar::Fill(FairDbResultPool& res_in,
                        const FairDbValRecord* valrec)
{
  res_in >> fTopPitch  >> fTopAnchor   >> fTopNrFE  >> fFeType;
}

void FairDbTutPar::Store(FairDbOutTableBuffer& res_out,
                         const FairDbValRecord* valrec) const
{
  res_out << fTopPitch  << fTopAnchor   << fTopNrFE  << fFeType;
}


void FairDbTutPar::fill(UInt_t rid)
{
  // Get Reader Meta Class
  fParam_Reader=GetParamReader();

  // Define a Context
  ValTimeStamp ts(rid);
  ValCondition context(Detector::kGfi,DataType::kData,ts);

  // Activate reading for this Context
  fParam_Reader->Activate(context, GetVersion());

  // By default use the latest row entry
  // (Other rows would correspond to outdated versions)
  Int_t numRows = fParam_Reader->GetNumRows();
  if ( numRows > 1 ) { numRows = 1; }

  for (int i = 0; i < numRows; ++i) {
    FairDbTutPar* cgd = (FairDbTutPar*) fParam_Reader->GetRow(i);
    if (!cgd) { continue; }
    fTopPitch = cgd->GetTopPitch();
    fTopAnchor =  cgd->GetTopAnchor();
    fTopNrFE =  cgd->GetNrTopFE();
    fFeType = cgd->GetFeType();
  }

}


void FairDbTutPar::store(UInt_t rid)
{

  // Boolean IO test variable
  Bool_t fail= kFALSE;

  // Create a unique statement on choosen DB entry
  auto_ptr<FairDbStatement> stmtDbn(fMultConn->CreateStatement(GetDbEntry()));
  if ( ! stmtDbn.get() ) {
    cout << "-E-  FairDbTutPar::Store()  Cannot create statement for Database_id: " << GetDbEntry()
         << "\n    Please check the FAIRDB_TSQL_* environment.  Quitting ... " << endl;
    exit(1);
  }

  // Check if for this DB entry the table already exists.
  // If not call the corresponding Table Definition Function
  std::vector<std::string> sql_cmds;
  TString atr(GetName());
  atr.ToUpper();

  if (! fMultConn->GetConnection(GetDbEntry())->TableExists("FAIRDBTUTPAR") ) {
    sql_cmds.push_back(FairDb::GetValDefinition("FAIRDBTUTPAR").Data());
    sql_cmds.push_back(FairDbTutPar::GetTableDefinition());
  }

  // Packed SQL commands executed internally via SQL processor
  std::vector<std::string>::iterator itr(sql_cmds.begin()), itrEnd(sql_cmds.end());
  while( itr != itrEnd ) {
    std::string& sql_cmd(*itr++);
    stmtDbn->Commit(sql_cmd.c_str());
    if ( stmtDbn->PrintExceptions() ) {
      fail = true;
      cout << "-E- FairDbTutPar::Store() ******* Error Executing SQL commands ***********  " << endl;
    }

  }

  // Refresh list of tables in connected database
  // for the choosen DB entry
  fMultConn->GetConnection(GetDbEntry())->SetTableExists();

  // Writer Meta-Class Instance
  fParam_Writer = GetParamWriter();


  // Activate Writer Meta-Class with the proper
  // Validity Time Interval (run_id encapsulated)

  // Writer Activate() arguments list
  //                      <Arguments>                   <Type>                  <Comments>
  //
  //                      Validity Interval,            ValInterval
  //                      Composition      ,            Int_t                   set via cont. factory
  //                      Version          ,            Int_t                   set via cont. factory
  //                      DbEntry          ,            Int_t                   set via cont. factory
  //                      LogTitle         ,            std::string             set via cont. factory

  fParam_Writer->Activate(GetValInterval(rid),GetComboNo(), GetVersion(),GetDbEntry(),GetLogTitle());

  // Object to Table mapping
  *fParam_Writer<< (*this);

  // Check for eventual IO problems
  if ( !fParam_Writer->Close() ) {
    fail = true;
    cout << "-E- FairDbTutPar::Store() ******** Cannot do IO on class: " << GetName() <<  endl;
  }

}

void FairDbTutPar::Print()
{
  std::cout<<"   Tutorial SQL  Parameters:"<<std::endl;
  std::cout<<"   Top Pitch    = "<<fTopPitch<<std::endl;
  std::cout<<"   Top Anchor   = "<<fTopAnchor<< std::endl;
  std::cout<<"   Nr of Frontends (Top Side)   = "<<fTopNrFE<<std::endl;
  std::cout<<"   Frontend type name is        = "<<fFeType<<std::endl;
}