#include "CbmTofOnlineDisplay.h"

#include "FairLogger.h"

#include "TCanvas.h"
#include "TPad.h"
#include "TStyle.h"
#include "TH1.h"
#include "TString.h"
#include "TROOT.h"

// ---- Default constructor -------------------------------------------
CbmTofOnlineDisplay::CbmTofOnlineDisplay()
  :FairTask("CbmTofOnlineDisplay"),
   fOverview(NULL),
   fNumberOfTDC(24),
   fUpdateInterval(100),
   fEventCounter(0)
{
  fLogger->Debug(MESSAGE_ORIGIN,"Defaul Constructor of CbmTofOnlineDisplay");
}

// ---- Destructor ----------------------------------------------------
CbmTofOnlineDisplay::~CbmTofOnlineDisplay()
{
  fLogger->Debug(MESSAGE_ORIGIN,"Destructor of CbmTofOnlineDisplay");
}

// ----  Initialisation  ----------------------------------------------
void CbmTofOnlineDisplay::SetParContainers()
{
  fLogger->Debug(MESSAGE_ORIGIN,"SetParContainers of CbmTofOnlineDisplay");
}

// ---- Init ----------------------------------------------------------
InitStatus CbmTofOnlineDisplay::Init()
{
  fLogger->Debug(MESSAGE_ORIGIN,"Initilization of CbmTofOnlineDisplay");

  fOverview = new TCanvas("Overview","Overview",48,56,700,700);
  fOverview->Divide(5,5,0.01,0.01); 
  //  can->Divide(2,2,0,0); 
  Float_t lsize=0.07;

  // Should be set for each pad of the Canvas
  gPad->SetFillColor(0);
  gStyle->SetPalette(1);
  gStyle->SetLabelSize(lsize);

  TH1 *h1;
  for(Int_t iCh=0; iCh<fNumberOfTDC; iCh++){
    fOverview->cd(iCh+1);
    gROOT->cd();
    TString hname=Form("tof_trb_ch_occ_%03d",iCh);
    h1=(TH1 *)gROOT->FindObjectAny(hname);
    if (h1!=NULL) {
      h1->Draw("");
      gPad->SetLogy();
    } else {
      LOG(INFO)<<"Histogram "<<hname<<" not existing. "<<FairLogger::endl;
    }
  }
  
  return kSUCCESS;

}

// ---- ReInit  -------------------------------------------------------
InitStatus CbmTofOnlineDisplay::ReInit()
{
  fLogger->Debug(MESSAGE_ORIGIN,"Initilization of CbmTofOnlineDisplay");
  return kSUCCESS;
}

// ---- Exec ----------------------------------------------------------
void CbmTofOnlineDisplay::Exec(Option_t* option)
{

  fEventCounter++;

  if ( 0 == fEventCounter%fUpdateInterval ) {
     LOG(DEBUG)<<"Update Canvas for Event "<< fEventCounter << FairLogger::endl;
     for(Int_t iCh=0; iCh<fNumberOfTDC; iCh++){
       fOverview->cd(iCh+1);
       gPad->Modified();
       gPad->Update();
     }
     fOverview->Modified();
     fOverview->Update();
  } 
}

// ---- Finish --------------------------------------------------------
void CbmTofOnlineDisplay::Finish()
{
  LOG(INFO)<<"Finish of CbmTofOnlineDisplay"<<FairLogger::endl;
  fOverview->Update();
}

ClassImp(CbmTofOnlineDisplay)