// -------------------------------------------------------------------------
// -----                     PndGemSensorMonitor source file           -----
// -----                  Created 25/03/2013  by R. Karabowicz         -----
// -------------------------------------------------------------------------

#include "PndGemSensorMonitor.h"

#include "PndGemSensor.h"

#include "TMath.h"
#include "TRandom.h"

#include <iostream>
#include <list>
#include <vector>

using std::cout;
using std::endl;
using std::flush;
using std::pair;
using std::vector;


// -----   Default constructor   -------------------------------------------
PndGemSensorMonitor::PndGemSensorMonitor() : 
  PndGemSensor(),
  fFLATime(0),
  fFLACharge(0),
  fFLADigiNr(0),
  fFLAEventNr(0),
  fFMeanTimeD(0),
  fFNofDigis(0),
  fFSLChan(0),
  fBLATime(0),
  fBLACharge(0),
  fBLADigiNr(0),
  fBLAEventNr(0),
  fBMeanTimeD(0),
  fBNofDigis(0),
  fBSLChan(0),
  fSensorRecoveryTime(100.),
  fSensorFirstTime(0.),
  fSensorLastTime(0.)
{
}
// -------------------------------------------------------------------------



// -----   Enhanced constructor (by z0 and d)  ------------------------------------------
PndGemSensorMonitor::PndGemSensorMonitor(TString tempName, Int_t detId, Int_t iType, 
					 Double_t x0, Double_t y0, Double_t z0,
					 Double_t rotation, 
					 Double_t innerRad, Double_t outerRad,
					 Double_t d, 
					 Double_t stripAngle0, Double_t stripAngle1,
					 Double_t pitch0, Double_t pitch1) :
  PndGemSensor(tempName,detId,iType,x0,y0,z0,rotation,innerRad,outerRad,d,stripAngle0,stripAngle1,pitch0,pitch1),
  fFLATime(0),
  fFLACharge(0),
  fFLADigiNr(0),
  fFLAEventNr(0),
  fFMeanTimeD(0),
  fFNofDigis(0),
  fFSLChan(0),
  fBLATime(0),
  fBLACharge(0),
  fBLADigiNr(0),
  fBLAEventNr(0),
  fBMeanTimeD(0),
  fBNofDigis(0),
  fBSLChan(0),
  fSensorRecoveryTime(100.),
  fSensorFirstTime(0.),
  fSensorLastTime(0.)
{
}
// -------------------------------------------------------------------------

// -----   Enhanced constructor (by z0 and d)  ------------------------------------------
PndGemSensorMonitor::PndGemSensorMonitor(TString tempName, Int_t stationNr, Int_t sectorNr, Int_t iType, 
					 Double_t x0, Double_t y0, Double_t z0,
					 Double_t rotation, 
					 Double_t innerRad, Double_t outerRad,
					 Double_t d, 
					 Double_t stripAngle0, Double_t stripAngle1,
					 Double_t pitch0, Double_t pitch1) :
  PndGemSensor(tempName,stationNr,sectorNr,iType,x0,y0,z0,rotation,innerRad,outerRad,d,stripAngle0,stripAngle1,pitch0,pitch1),
  fFLATime(0),
  fFLACharge(0),
  fFLADigiNr(0),
  fFLAEventNr(0),
  fFMeanTimeD(0),
  fFNofDigis(0),
  fFSLChan(0),
  fBLATime(0),
  fBLACharge(0),
  fBLADigiNr(0),
  fBLAEventNr(0),
  fBMeanTimeD(0),
  fBNofDigis(0),
  fBSLChan(0),
  fSensorRecoveryTime(100.),
  fSensorFirstTime(0.),
  fSensorLastTime(0.)
{
  fFLATime   .resize(this->GetNChannelsFront(),-1.);
  fFLACharge .resize(this->GetNChannelsFront(),-1.);
  fFLADigiNr .resize(this->GetNChannelsFront(),-1);
  fFLAEventNr.resize(this->GetNChannelsFront(),-1);
  fFMeanTimeD.resize(this->GetNChannelsFront(), 0.);
  fFNofDigis .resize(this->GetNChannelsFront(), 0);
  fBLATime   .resize(this->GetNChannelsBack (),-1.);
  fBLACharge .resize(this->GetNChannelsBack (),-1.);
  fBLADigiNr .resize(this->GetNChannelsBack (),-1);
  fBLAEventNr.resize(this->GetNChannelsBack (),-1);
  fBMeanTimeD.resize(this->GetNChannelsBack (), 0.);
  fBNofDigis .resize(this->GetNChannelsBack (), 0);
}
// -------------------------------------------------------------------------

// -----   Enhanced constructor (by z0 and d)  ------------------------------------------
PndGemSensorMonitor::PndGemSensorMonitor(const PndGemSensor &tempSensor) :
  PndGemSensor(tempSensor),
  fFLATime(0),
  fFLACharge(0),
  fFLADigiNr(0),
  fFLAEventNr(0),
  fFMeanTimeD(0),
  fFNofDigis(0),
  fFSLChan(0),
  fBLATime(0),
  fBLACharge(0),
  fBLADigiNr(0),
  fBLAEventNr(0),
  fBMeanTimeD(0),
  fBNofDigis(0),
  fBSLChan(0),
  fSensorRecoveryTime(100.),
  fSensorFirstTime(0.),
  fSensorLastTime(0.)
{
  fFLATime   .resize(this->GetNChannelsFront(),-1.);
  fFLACharge .resize(this->GetNChannelsFront(),-1.);
  fFLADigiNr .resize(this->GetNChannelsFront(),-1);
  fFLAEventNr.resize(this->GetNChannelsFront(),-1);
  fFMeanTimeD.resize(this->GetNChannelsFront(), 0.);
  fFNofDigis .resize(this->GetNChannelsFront(), 0);
  fBLATime   .resize(this->GetNChannelsBack (),-1.);
  fBLACharge .resize(this->GetNChannelsBack (),-1.);
  fBLADigiNr .resize(this->GetNChannelsBack (),-1);
  fBLAEventNr.resize(this->GetNChannelsBack (),-1);
  fBMeanTimeD.resize(this->GetNChannelsBack (), 0.);
  fBNofDigis .resize(this->GetNChannelsBack (), 0);
}
// -------------------------------------------------------------------------


// -----   Destructor   ----------------------------------------------------
PndGemSensorMonitor::~PndGemSensorMonitor() { }
// -------------------------------------------------------------------------

// -----   Activate Channel   ----------------------------------------------------
void PndGemSensorMonitor::ActivateChannel(Int_t channelNr, Int_t sideId, Int_t eventNr, Int_t digiNr, Double_t channelTime, Double_t channelCharge) {
  if ( sideId == 0 ) {
    // had to comment it out. but be careful with stat options here: if this function is called from PndGemFindHits
    // while looping over clusters, it will cause problems, as digis may belong to different clusters....

    // if ( channelTime > fFLATime[fFSLChan] + 21 && fFLATime[fFSLChan] > -0.5 ) {
    //   cout << "SENSOR " << GetStationNr() << "." << GetSensorNr() << ".F not hitted for " << channelTime-fFLATime[fFSLChan] << " ns (from  "
    // 	   << fFLATime[fFSLChan] << " to " << channelTime << ")"
    // 	   << " EVENT " << fFLAEventNr[fFSLChan] << " vs " << eventNr << endl;
    // }
    // if ( fFLAEventNr[channelNr] == eventNr ) {
    //   cout << "****** " << GetStationNr() << "." << GetSensorNr() << ".F hitted twice after " << channelTime-fFLATime[channelNr] << " ns (at  "
    // 	   << fFLATime[channelNr] << " and " << channelTime << ")"
    // 	   << " IN EVENT " << eventNr << endl;
    // }
    if ( fFNofDigis[channelNr] > 0 ) {
      fFMeanTimeD[channelNr]  = fFMeanTimeD[channelNr] + (channelTime-fFLATime[channelNr]-fFMeanTimeD[channelNr])/((Double_t)fFNofDigis[channelNr]);
    }
    fFLATime   [channelNr]  = channelTime;
    fFLACharge [channelNr]  = channelCharge;
    fFLADigiNr [channelNr]  = digiNr;
    fFLAEventNr[channelNr]  = eventNr;
    fFNofDigis [channelNr] += 1;
    fFSLChan                = channelNr;
  }
  else {
    // if ( channelTime > fBLATime[fBSLChan] + 21 && fBLATime[fFSLChan] > -0.5  ) {
    //   cout << "SENSOR " << GetStationNr() << "." << GetSensorNr() << ".B not hitted for " << channelTime-fBLATime[fBSLChan] << " ns (from " 
    // 	   << fBLATime[fBSLChan] << " to " << channelTime << ")"
    // 	   << " EVENT " << fBLAEventNr[fBSLChan] << " vs " << eventNr << endl;
    // }
    // if ( fBLAEventNr[channelNr] == eventNr ) {
    //   cout << "****** " << GetStationNr() << "." << GetSensorNr() << ".F hitted twice after " << channelTime-fBLATime[channelNr] << " ns (at  "
    // 	   << fBLATime[channelNr] << " and " << channelTime << ")"
    // 	   << " IN EVENT " << eventNr << endl;
    // }
    if ( fBNofDigis[channelNr] > 0 ) {
      fBMeanTimeD[channelNr]  = fBMeanTimeD[channelNr] + (channelTime-fBLATime[channelNr]-fBMeanTimeD[channelNr])/((Double_t)fBNofDigis[channelNr]);
    }
    fBLATime   [channelNr]  = channelTime;
    fBLACharge [channelNr]  = channelCharge;
    fBLADigiNr [channelNr]  = digiNr;
    fBLAEventNr[channelNr]  = eventNr;
    fBNofDigis [channelNr] += 1;
    fBSLChan                = channelNr;
  }
  CheckNeighbours(channelNr, sideId, eventNr, digiNr, channelTime, channelCharge);
}
// -------------------------------------------------------------------------

// -----   Check neighbours   ----------------------------------------------------
void PndGemSensorMonitor::CheckNeighbours(Int_t channelNr, Int_t sideId, Int_t , Int_t , Double_t , Double_t ) { // eventNr digiNr channelTime channelCharge //[R.K.03/2017] unused variable(s)
  Int_t nChan[3]={-1,-1,-1};
  Int_t nofChan = GetNeighbours(sideId,channelNr,nChan[0],nChan[1],nChan[2]);
  //  cout << "------ check " << nofChan << " neighbours of channel " << channelNr << " on sensor " << this->GetDetectorId() << "." << sideId << " : " << endl;
  for ( Int_t ichan = 0 ; ichan < nofChan ; ichan++ ) {
    //    cout << "            ---------------- channel " << nChan[ichan] << " at a distance " << GetDistance(sideId,channelNr,nChan[ichan]) << flush;
    // if ( GetDistance(sideId,channelNr,nChan[ichan]) > 1.1 || 
    // 	 GetDistance(sideId,channelNr,nChan[ichan]) < 0.9 ) cout << " OOOOOOOOOOOOOOOOOOOOOO" << flush;
    // cout << " // difference = " << channelNr-nChan[ichan] << flush;
    // cout << endl;
  }
  
}
// -------------------------------------------------------------------------

// -----   Is channel active?   ----------------------------------------------------
Bool_t PndGemSensorMonitor::ChannelIsActive    (Int_t , Int_t , Double_t ) { // channelNr sideId timeNow   //[R.K.03/2017] unused variable(s)
  // Empty function!!
  return kFALSE;
}
// -------------------------------------------------------------------------

// -----   The last channel activation at...   ----------------------------------------------------
Double_t PndGemSensorMonitor::ChannelLastActiveAt(Int_t channelNr, Int_t sideId) {
  if ( sideId == 0 && fFLATime[channelNr] < -0.5 ) return -1.;
  if ( sideId == 1 && fBLATime[channelNr] < -0.5 ) return -1.;

  if ( sideId == 0 ) {
    // if ( eventNr == fFLAEventNr[channelNr] ) 
    //   cout << "channel " << channelNr << " in sensor " << GetStationNr() << "." << GetSensorNr() << ".F, two hits in ev " << eventNr 
    // 	   << " 1st @ " << fFLATime[channelNr] << ", now @ " << timeNow << " (diffr=" << timeNow-fFLATime[channelNr] << ")" << endl;
    return fFLATime[channelNr];
  }
  else {
    // if ( eventNr == fBLAEventNr[channelNr] ) 
    //   cout << "channel " << channelNr << " in sensor " << GetStationNr() << "." << GetSensorNr() << ".B, two hits in ev " << eventNr 
    // 	   << " 1st @ " << fBLATime[channelNr] << ", now @ " << timeNow << " (diffr=" << timeNow-fBLATime[channelNr] << ")" << endl;
    return fBLATime[channelNr];
  }
}
// -------------------------------------------------------------------------

// -----   How much time passed since last activation?   ----------------------------------------------------
Double_t PndGemSensorMonitor::ChannelLastActiveAt(Int_t channelNr, Int_t sideId, Double_t timeNow, Int_t ) { // eventNr //[R.K.03/2017] unused variable(s)
  if ( sideId == 0 && fFLATime[channelNr] < -0.5 ) return -1.;
  if ( sideId == 1 && fBLATime[channelNr] < -0.5 ) return -1.;

  if ( sideId == 0 ) {
    // if ( eventNr == fFLAEventNr[channelNr] ) 
    //   cout << "channel " << channelNr << " in sensor " << GetStationNr() << "." << GetSensorNr() << ".F, two hits in ev " << eventNr 
    // 	   << " 1st @ " << fFLATime[channelNr] << ", now @ " << timeNow << " (diffr=" << timeNow-fFLATime[channelNr] << ")" << endl;
    return timeNow-fFLATime[channelNr];
  }
  else {
    // if ( eventNr == fBLAEventNr[channelNr] ) 
    //   cout << "channel " << channelNr << " in sensor " << GetStationNr() << "." << GetSensorNr() << ".B, two hits in ev " << eventNr 
    // 	   << " 1st @ " << fBLATime[channelNr] << ", now @ " << timeNow << " (diffr=" << timeNow-fBLATime[channelNr] << ")" << endl;
    return timeNow-fBLATime[channelNr];
  }

}
// -------------------------------------------------------------------------

// -----   Last activation data   ----------------------------------------------------
Bool_t PndGemSensorMonitor::ChannelLastActivation(Int_t , Int_t , Int_t& , Int_t& , Double_t& , Double_t& ) { // channelNr sideId eventNr digiNr channelTime channelCharge //[R.K.03/2017] unused variable(s)
  // Empty function
  return kFALSE;
}
// -------------------------------------------------------------------------

// -----   Public method Print   -------------------------------------------
void PndGemSensorMonitor::Print() {
  cout << "---> sensor has " << fFLATime.size() << " Front and " << fBLATime.size() << " Back strips" << endl;

  for ( size_t ichan = 0 ; ichan < fFLATime.size() ; ichan++ ) {
    cout << ichan << ":" << fFLATime[ichan] << " . " << flush;
  }
  cout << endl;

  // for ( Int_t ibin = 0 ; ibin < 10 ; ibin++ ) {
  //   cout << " | " << flush;
  //   for ( Int_t ichan = 0 ; ichan < fFLATime.size() ; ichan+=10 ) {
  //     if ( fFNofDigis[ichan] == 0 ) {cout << " " << flush;continue;}
  //     cout << fFNofDigis[ichan] % 2 << flush;
  //     fFNofDigis[ichan] = fFNofDigis[ichan]/2;
  //   }
  //   cout << " | " << endl;
  // }
}
// -------------------------------------------------------------------------


ClassImp(PndGemSensorMonitor)