///////////////////////////////////////////////////////////////////////////////
// uses OFFLINE_MON_DIR
///////////////////////////////////////////////////////////////////////////////
#include "cstdlib" 
#include "stdio.h" 
#include "time.h" 

#include "OfflineMon/TOfflineMon.hh"
#include "OfflineMon/TOfflineMonitor.hh"

#include "TROOT.h"
#include "TFile.h"
#include "TTree.h"
#include "TFolder.h"
#include "TSystem.h"
#include "TH1F.h"
#include "TF1.h"

ClassImp(TOfflineMon)

//_____________________________________________________________________________
TOfflineMon::TOfflineMon() {
  const char* offline_mon_dir = gSystem->Getenv("OFFLINE_MON_DIR");

  if (offline_mon_dir) {
    fHtmlDirectory = offline_mon_dir;
  }
  else {
    printf ("TOfflineMon"," env var OFFLINE_MON_DIR is not defined");
  }

  fListOfMonitors = new TObjArray();
}

//_____________________________________________________________________________
TOfflineMon::~TOfflineMon() {
  fListOfMonitors->Delete();
  delete fListOfMonitors;
}


//_____________________________________________________________________________
int TOfflineMon::AddMonitor(TOfflineMonitor* Mon) {
  TOfflineMonitor* mon;

  mon = (TOfflineMonitor*) fListOfMonitors->FindObject(Mon->GetName());
  if (mon == 0) {
    fListOfMonitors->Add(Mon);
  }
  return 0;
}

//_____________________________________________________________________________
int TOfflineMon::Init() {
  TOfflineMonitor* mon;

  int nmon = fListOfMonitors->GetEntriesFast();
  for (int i=0; i<nmon; i++) {
    mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    mon->Init();
  }
  return 0;
}

//_____________________________________________________________________________
int TOfflineMon::UpdateNtuple() {
  TOfflineMonitor* mon;

  int nmon = fListOfMonitors->GetEntriesFast();

  for (int i=0; i<nmon; i++) {
    mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    mon->UpdateNtuple();
  }
  return 0;
}

//_____________________________________________________________________________
int TOfflineMon::MakePlots() {
  TOfflineMonitor* mon;

  int nmon = fListOfMonitors->GetEntriesFast();
  for (int i=0; i<nmon; i++) {
    mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    mon->MakePlots();
  }
  return 0;
}

//_____________________________________________________________________________
int TOfflineMon::MakeHtml() {
  TOfflineMonitor* mon;
  int status;

  FILE* f = fopen("offline.html","w");

  int nmon = fListOfMonitors->GetEntriesFast();

  int global_status = 0;
//-----------------------------------------------------------------------------
// determine global status: if at least one of the subsystems reports a failure,
// the whole system is in failure
//-----------------------------------------------------------------------------
  for (int i=0; i<nmon; i++) {
    mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    status = mon->GetStatus();
    mon->MakeHtml();    // AC
    if (status < 0) {
      global_status = -1;
    }
  }

  if (global_status == 0) {
    fprintf(f,"<a img=\"file://localhost/usr/share/icons/Bluecurve/24x24/ooo/stock_draw-sphere.png\"></a>");
  }
  else { 
    fprintf(f,"<a img=\"file://localhost/usr/share/icons/Bluecurve/24x24/ooo/stock_draw-sphere.png\"></a>");
  } 
//-----------------------------------------------------------------------------
// now loop over the subsystems again and add status of each of them to the 
// web page
//-----------------------------------------------------------------------------
  for (int i=0; i<nmon; i++) {
    mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    status = mon->GetStatus();
    if (status == 0) {
    }
    else {
    }
  }
  
  return 0;
}

int TOfflineMon::MakeXml() {
  int nmon = fListOfMonitors->GetEntriesFast();
  for (int i=0; i<nmon; i++) {
    TOfflineMonitor *mon = (TOfflineMonitor*) fListOfMonitors->At(i);
    mon->MakeXml();
  }
}