#include <TFile.h>
#include <TTree.h>
#include <TCanvas.h>
#include <TROOT.h>
#include <TObjArray.h>
#include <TStyle.h>
#include <TH2F.h>
#include <TH1F.h>
#include <TF1.h>
#include <TArc.h>
#include <TMath.h>
#include <TLine.h>
#include <TSpectrum.h>
#include <TGraph.h>
#include <TLegend.h>
#include <TLatex.h>
#include <TMacro.h>
#include <TObjArray.h>
#include <fstream>
#include <TCutG.h>
#include "../Armory/AnalysisLib.h"
#include "../Armory/ClassDetGeo.h"
#include "../Armory/ClassReactionConfig.h"
#include "../Cleopatra/ClassIsotope.h"
#include "../Cleopatra/ClassTransfer.h"

double * FindRange(TString branch, TString gate, TTree * tree, double output[2]);
double ExtractNumber(int index, TMacro * macro);
TString ExtractString(int index, TMacro * macro);
vector<TString> StringToVector(TString str);
vector<int> intConvertor(vector<TString> arr);
vector<double> doubleConvertor(vector<TString> arr);

enum plotID { pEZ,               /// 0
              pRecoilXY,         /// 1
              pRecoilXY1,        /// 2
              pRecoilXY2,        /// 3
              pRecoilRZ,         /// 4
              pRecoilRTR,        /// 5
              pTDiffZ,           /// 6
              pThetaCM,          /// 7
              pThetaCM_Z,        /// 8
              pExCal,            /// 9
              pRecoilRThetaCM,   /// 10
              pArrayXY,          /// 11
              pInfo,             /// 12
              pHitID,            /// 13
              pElum1XY,          /// 14
              pEElum1R,          /// 15
              pElum1RThetaCM,    /// 16
              pEmpty };          /// 17
plotID StringToPlotID(TString str);

//*=====================================================
void Check_Simulation(TString filename = "transfer.root",
                      TString configFile = "../working/Check_Simulation_Config.txt",
                      Int_t padSize = 500,
                      bool outputCanvas = false){

  printf("=========================== Check_Simulation.C\n");
  
  TMacro * config = new TMacro(configFile);
  int numLine = config->GetListOfLines()->GetSize();
  int startLineNum = 0;
  for( int i = 0; i < numLine ; i++){
    TString haha = config->GetListOfLines()->At(i)->GetName();
    haha.Remove(4);
    if( haha != "////" ) {
      startLineNum = i;
      break;
    }
  }
  
  TString gate = ExtractString(startLineNum+1, config);
  double elumRange = ExtractNumber(startLineNum+2, config);
  vector<double> thetaCMRange = doubleConvertor( StringToVector( ExtractString(startLineNum+3,config) ));
  bool shownKELines = (ExtractString(startLineNum+4, config).Remove(4) == "true" ? true : false);
  bool isOverRideEx = (ExtractString(startLineNum+5, config).Remove(4) == "true" ? true : false);
  vector<double> oExRange = doubleConvertor( StringToVector ( ExtractString(startLineNum+6, config ))); 

  printf("%s \n", gate.Data());

  ///==== config Canvas
  vector<TString> plotConfig = StringToVector( ExtractString(startLineNum, config));
  vector<plotID> canvas;
  int colCount = 0;
  int colCount_new = 0;
  int rowCount = 1;
  for( int i = 0; i < (int) plotConfig.size(); i++){
    if( plotConfig[i] == "break" ) {
      rowCount ++;
      if( colCount_new > colCount ) colCount = colCount_new;
      colCount_new = 0; 
      continue;
    }
    canvas.push_back( StringToPlotID(plotConfig[i]));
    colCount_new ++;
  }

  if( colCount == 0 ) colCount = colCount_new;
  //printf("plot row: %d, col: %d \n", rowCount, colCount);
  
  vector<int> Div = {colCount, rowCount};
    
  TFile * file = new TFile(filename, "read");
  TTree * tree = (TTree*) file->Get("tree");
  
  TObjArray * fxList = (TObjArray *) file->FindObjectAny("EZCure");
  TObjArray * txList = (TObjArray *) file->FindObjectAny("EZ_thetaCM");

  gStyle->SetOptStat("");
  gStyle->SetStatY(0.9);
  gStyle->SetStatX(0.9);
  gStyle->SetStatW(0.4);
  gStyle->SetStatH(0.2);
  gStyle->SetLabelSize(0.05, "XY");
  gStyle->SetTitleFontSize(0.1);

  //*================== detGeoID
  TMacro * detGeoIDTxt = (TMacro *) file->FindObjectAny("detGeoID");
  int detGeoID = atoi(detGeoIDTxt->GetListOfLines()->At(0)->GetName());

  //*================== reactionConfig
  TMacro * reactionConfigTxt = (TMacro *) file->FindObjectAny("reactionConfig");
  TString Reaction = reactionConfigTxt->GetName(); 

  ReactionConfig reactionConfig(reactionConfigTxt);
  Recoil recoil = reactionConfig.recoil[detGeoID];
 
  int nEvent = reactionConfig.numEvents;
  printf("number of events generated : %d \n", nEvent);

  reactionConfig.Print(detGeoID, false);

  //*================================== detetcor Geometry
  printf("=================================\n");
  printf(" loading detector Geometry.\n");
  TMacro * detGeoTxt = (TMacro *) file->FindObjectAny("detGeo");  

  DetGeo detGeo(detGeoTxt);
  Array array = detGeo.array[detGeoID];

  detGeo.PrintWithoutArray();
  array.PrintArray();  

  printf("=================================\n");
  
  int numDet = array.nDet * array.mDet ;

  double zRange[3] = {400, -1000, 1000}; /// zRange[0] = nBin
  zRange[1] = array.zMin - 50;
  zRange[2] = array.zMax + 50;

  printf(" zRange : %f - %f \n", zRange[1], zRange[2]);
  printf("=================================\n");
  
  //*========================================= Ex List;
  double ExRange[2];
  int numEx = 0;
  ExcitedEnergies exList;

  // if DEBA_ExList exist, use this, else use the recoil ExList
  TMacro * exListTxt = (TMacro *) file->FindObjectAny("DWBA_ExList");

  ExRange[0] = 9999999;
  ExRange[1] = -9999999;

  if( exListTxt == nullptr ){

    exList = reactionConfig.exList[detGeoID];  
    numEx = exList.ExList.size();

    for( size_t i = 0; i < numEx; i++ ){
      double ex = exList.ExList[i].Ex;
      if( ex < ExRange[0] ) ExRange[0] = ex;
      if( ex > ExRange[1] ) ExRange[1] = ex;
    }

  }else{

    numEx = exListTxt->GetListOfLines()->GetSize();
    for( int i = 0 ;  i < numEx ; i++){
      double ex = atof(exListTxt->GetListOfLines()->At(i)->GetName());
      if( ex < ExRange[0] ) ExRange[0] = ex;
      if( ex > ExRange[1] ) ExRange[1] = ex;
      exList.Add(ex, 0, 0, 0);
    }

  }

  double dExRange = ExRange[1] - ExRange[0];
  ExRange[0] = ExRange[0] - dExRange * 0.1;
  ExRange[1] = ExRange[1] + dExRange * 0.1;
   
  printf("Number of Ex states = %d \n", numEx);
   
  //*=================================== calculate Ranges 
  //eRange by zRange and exList
  
  TransferReaction transfer;
  transfer.SetReactionSimple( reactionConfig.beamA, reactionConfig.beamZ, reactionConfig.targetA, reactionConfig.targetZ, recoil.lightA, recoil.lightZ, reactionConfig.beamEnergy);

  double QQ = transfer.GetCMTotalEnergy();
  double gamm  = transfer.GetReactionGamma();
  double mass = transfer.GetMass_b();
  double slope = transfer.GetEZSlope( detGeo.Bfield);

  double eRange[2] = {0, 10};
  // double intercept = QQ/gamm - mass;   
  eRange[1] =  zRange[2] * slope;
  
  // printf("intercept of 0 MeV : %f MeV \n", intercept); 
  printf("eRange 0 MeV : %f MeV \n", eRange[1]); 

  double dERange = eRange[1] - eRange[0];

  eRange[0] = eRange[0] - dERange * 0.1;
  eRange[1] = eRange[1] + dERange * 0.1;

   
  //thetaCMRange
  double momentum = transfer.GetMomentumbCM();
  double beta = transfer.GetReactionBeta();
  double alpha = slope / beta;
  double thetaMax = acos( (beta * QQ- alpha / gamm * zRange[2])/momentum) * TMath::RadToDeg();
  thetaCMRange[1] = (int) TMath::Ceil(thetaMax/10.)*10;
  ///printf(" momentum    : %f \n", momentum);
  ///printf(" thetaCM Max : %f \n", thetaMax);
  ///printf(" thetaCM Range : %d \n", thetaCMRange[1]);

    
  double recoilERange[2] = {0, 100};
   
  //===================================================
  printf("============================== Gate\n");
  printf("gate : %s\n", gate.Data());
  printf("====================================\n");

  Int_t size[2] = {padSize,padSize}; ///x,y, single Canvas size
  TCanvas * cCheck = new TCanvas("cCheck", "Check For Simulation", 0, 0, size[0]*Div[0], size[1]*Div[1]);
  if(cCheck->GetShowEditor() )cCheck->ToggleEditor();
  if(cCheck->GetShowToolBar() )cCheck->ToggleToolBar();
  cCheck->Divide(Div[0],Div[1]);
   
  for( int i = 1; i <= Div[0]*Div[1] ; i++){
    cCheck->cd(i);
    cCheck->cd(i)->SetGrid();

    if( canvas[i-1] == pThetaCM ) {
      cCheck->cd(i)->SetGrid(0,0);
      cCheck->cd(i)->SetLogy();
    }

    if( canvas[i-1] == pHitID ){
      cCheck->cd(i)->SetLogy();
    }

    plotID pID = canvas[i-1];
    
    ///########################################
    if( pID == pEZ){
      TH2F * hez = new TH2F("hez", Form("e-z [gated] @ %5.0f mm; z [mm]; e [MeV]", array.firstPos), zRange[0], zRange[1], zRange[2], 
                                                                                                          400, eRange[0], eRange[1]);
      tree->Draw("e:z>>hez", gate, "colz");
      if( shownKELines){
        for( int i = 0; i < numEx ; i++){
          fxList->At(i)->Draw("same");
        }
      }
    }

    if( pID == pRecoilXY       ){
      TH2F * hRecoilXY = new TH2F("hRecoilXY", Form("RecoilXY [gated] @ %4.0f mm; X [mm]; Y [mm]", detGeo.recoilPos ), 400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius, 
                                                                                                                       400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius);
      tree->Draw("yRecoil:xRecoil>>hRecoilXY", gate, "colz");
      TArc * detArc1 = new TArc(0,0, detGeo.recoilOuterRadius);
      detArc1->SetLineColor(kBlue-8);
      detArc1->SetFillStyle(0);
      detArc1->Draw("same");  
      TArc * detArc2 = new TArc(0,0, detGeo.recoilInnerRadius);
      detArc2->SetLineColor(kBlue-8);
      detArc2->SetFillStyle(0);
      detArc2->Draw("same");  
      
      if( reactionConfig.beamX != 0. || reactionConfig.beamY != 0. ){
        TArc * arc = new TArc(reactionConfig.beamX, reactionConfig.beamY, 1);
        arc->SetLineColor(2);
        detArc1->SetFillStyle(0);
        arc->Draw("same");
      }
    }

    if( pID == pRecoilXY1       ){
      TH2F * hRecoilXY1 = new TH2F("hRecoilXY1", Form("RecoilXY-1 [gated] @ %4.0f mm; X [mm]; Y [mm]", detGeo.recoilPos1 ), 400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius, 
                                                                                                                            400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius);
      tree->Draw("yRecoil1:xRecoil1>>hRecoilXY1", gate, "colz");
    }

    if( pID == pRecoilXY2       ){
      TH2F * hRecoilXY2 = new TH2F("hRecoilXY2", Form("RecoilXY-2 [gated] @ %4.0f mm; X [mm]; Y [mm]", detGeo.recoilPos2 ), 400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius, 
                                                                                                                            400, -detGeo.recoilOuterRadius, detGeo.recoilOuterRadius);
      tree->Draw("yRecoil2:xRecoil2>>hRecoilXY2", gate, "colz");
    }

    if( pID == pRecoilRZ       ){
      TH2F * hRecoilRZ = new TH2F("hRecoilRZ", "RecoilR - Z [gated]; z [mm]; RecoilR [mm]",  zRange[0], zRange[1], zRange[2], 400,0, detGeo.recoilOuterRadius);
      tree->Draw("rhoRecoil:z>>hRecoilRZ", gate, "colz");
    }

    if( pID == pRecoilRTR      ){
      FindRange("TB", gate, tree, recoilERange);
      TH2F * hRecoilRTR = new TH2F("hRecoilRTR", "RecoilR - recoilE [gated]; recoil Energy [MeV]; RecoilR [mm]", 500, recoilERange[0], recoilERange[1], 500, 0, detGeo.recoilOuterRadius);
      tree->Draw("rhoRecoil:TB>>hRecoilRTR", gate, "colz");
    }

    if( pID == pTDiffZ         ){
      double tDiffRange [2];
      FindRange("t-tB", gate, tree, tDiffRange);
      TH2F * hTDiffZ = new TH2F("hTDiffZ", "time(Array) - time(Recoil) vs Z [gated]; z [mm]; time diff [ns]", zRange[0], zRange[1], zRange[2],  500, tDiffRange[0], tDiffRange[1]);
      tree->Draw("t - tB : z >> hTDiffZ", gate, "colz");
    }
    
    if( pID == pThetaCM        ){
      TH1F * hThetaCM[numEx];
      TLegend * legend = new TLegend(0.8,0.2,0.99,0.8);
      double maxCount = 0;
      int startID = 0; // set the start ExID
      for( int i = startID; i < numEx; i++){
        hThetaCM[i] = new TH1F(Form("hThetaCM%d", i), Form("thetaCM [gated] (ExID=%d); thetaCM [deg]; count", i), 200, thetaCMRange[0], thetaCMRange[1]);
        hThetaCM[i]->SetLineColor(i+1-startID);
        hThetaCM[i]->SetFillColor(i+1-startID);
        hThetaCM[i]->SetFillStyle(3000+i-startID);
        tree->Draw(Form("thetaCM>>hThetaCM%d", i), gate + Form("&& ExID==%d", i), "");
        legend->AddEntry(hThetaCM[i], Form("Ex=%5.1f MeV", exList.ExList[i].Ex));
        double max = hThetaCM[i]->GetMaximum();
        if( max > maxCount ) maxCount = max;
      }

      for( int i = startID; i < numEx; i++){
        hThetaCM[i]->GetYaxis()->SetRangeUser(1, maxCount * 1.2);
        if( i == startID ) {
          hThetaCM[i]->Draw();
        }else{
          hThetaCM[i]->Draw("same");
        }
      }   
      legend->Draw();
    }

    if( pID == pThetaCM_Z      ){
      TH2F *hThetaCM_Z = new TH2F("hThetaCM_Z","ThetaCM vs Z ; Z [mm]; thetaCM [deg]",zRange[0], zRange[1], zRange[2], 200, thetaCMRange[0], thetaCMRange[1]);
      tree->Draw("thetaCM:z>>hThetaCM_Z",gate,"col");
      if( shownKELines){
        for( int i = 0; i < numEx ; i++){
          txList->At(i)->Draw("same");
        }
      }
    }

    if( pID == pExCal          ){
        TH1F * hExCal = new TH1F("hExCal", Form("calculated Ex [gated]; Ex [MeV]; count / %.2f keV",  (ExRange[1]-ExRange[0])/400.*1000),  400, ExRange[0], ExRange[1]);
        tree->Draw("ExCal>>hExCal", gate, "");
        Isotope hRecoil(recoil.heavyA, recoil.heavyZ);
        double Sn = hRecoil.CalSp(0,1);
        double Sp = hRecoil.CalSp(1,0);
        double Sa = hRecoil.CalSp2(4,2);
        double S2n = hRecoil.CalSp(0, 2);

        printf("Heavy recoil: %s \n", hRecoil.Name.c_str());
        printf("Sn  : %f MeV/u \n", Sn);
        printf("Sp  : %f MeV/u \n", Sp);
        printf("Sa  : %f MeV/u \n", Sa);
        printf("S2n : %f MeV/u \n", S2n);

        double yMax = hExCal->GetMaximum();
        TLine * lineSn  = new TLine(Sn,  0,  Sn, yMax); lineSn->SetLineColor(2); lineSn->Draw("");
        TLine * lineSp  = new TLine(Sp,  0,  Sp, yMax); lineSp->SetLineColor(4); lineSp->Draw("same");
        TLine * lineSa  = new TLine(Sa,  0,  Sa, yMax); lineSa->SetLineColor(6); lineSa->Draw("same");
        TLine * lineS2n = new TLine(S2n, 0, S2n, yMax); lineS2n->SetLineColor(8); lineS2n->Draw("same");

        TLatex * text = new TLatex();
        text->SetTextFont(82);
        text->SetTextSize(0.06);
        text->SetTextColor(2); text->DrawLatex(Sn,  yMax*0.9, "S_{n}");
        text->SetTextColor(4); text->DrawLatex(Sp,  yMax*0.9, "S_{p}");
        text->SetTextColor(6); text->DrawLatex(Sa,  yMax*0.9, "S_{a}");
        text->SetTextColor(8); text->DrawLatex(S2n, yMax*0.9, "S_{2n}");
        
    }

    if( pID == pRecoilRThetaCM ){
      TH2F * hRecoilRThetaCM = new TH2F("hRecoilRThetaCM", "RecoilR - thetaCM [gated]; thetaCM [deg]; RecoilR [mm]", 400, 0, 60, 400,0, detGeo.recoilOuterRadius);
      tree->Draw("rhoRecoil:thetaCM>>hRecoilRThetaCM", gate, "colz");
    }

    if( pID == pArrayXY ){
      TH2F * hArrayXY = new TH2F("hArrayXY", "Array-XY [gated]; X [mm]; Y [mm]", 400, -array.detPerpDist*1.5, array.detPerpDist*1.5, 400, -array.detPerpDist*1.5, array.detPerpDist*1.5);
      tree->Draw("yArray:xArray>>hArrayXY", gate, "colz");
    }

    if( pID == pInfo           ){
      TLatex text;
      text.SetNDC();
      text.SetTextFont(82);
      text.SetTextSize(0.06);
      text.SetTextColor(2);

      text.DrawLatex(0., 0.9, Reaction);
      text.DrawLatex(0., 0.8, detGeo.Bfield > 0 ? "out of plan" : "into plan");
      text.SetTextColor(1);
      text.DrawLatex(0., 0.7, "gate:");
      
      text.SetTextColor(2);
      //check gate text length, if > 30, break by "&&" 
      int ll = gate.Length();
      if( ll > 30 ) {
        vector<string> strList = AnalysisLib::SplitStr( (string) gate.Data(), "&&");
        for( int i = 0; i < strList.size(); i++){
          text.DrawLatex(0., 0.6 - 0.05*i, (TString) strList[i]);
        }
      }else{
        text.DrawLatex(0., 0.6, gate);
      }

      if( reactionConfig.beamX != 0.0 || reactionConfig.beamY != 0.0 ){
        text.DrawLatex(0.0, 0.1, Form("Bema pos: (%4.1f, %4.1f) mm", reactionConfig.beamX, reactionConfig.beamY));
      }
    }
      
    if( pID == pElum1XY ){
      TH2F * hElum1XY = new TH2F("hElum1XY", Form("Elum-1 XY [gated] @ %.0f mm ; X [mm]; Y [mm]", detGeo.elumPos1),  400, -elumRange, elumRange, 400, -elumRange, elumRange);
      tree->Draw("yElum1:xElum1>>hElum1XY", gate, "colz");
      
      double count = hElum1XY->GetEntries();
      
      if( count < 2000. ) {
        hElum1XY->SetMarkerStyle(7);
        if( count < 500. ) hElum1XY->SetMarkerStyle(3);
        hElum1XY->Draw("scat");
      }
    }

    if( pID == pEElum1R ){
        TH2F * hEElum1Rho = new TH2F("hEElum1Rho", "Elum-1 E-R [gated]; R[mm]; Energy[MeV]",  400, 0, elumRange, 400, eRange[0], eRange[1]);
        tree->Draw("Tb:rhoElum1>>hEElum1Rho", gate, "colz");
    }
      
    if( pID == pElum1RThetaCM){
      int angBin = 400;
      
      TH2F * hElum1RThetaCM = new TH2F("hElum1RThetaCM", "Elum-1 rho vs ThetaCM [gated]; thatCM [deg]; Elum- rho [mm]", angBin, thetaCMRange[0], thetaCMRange[1],  400, 0, elumRange);
      tree->Draw("rhoElum1:thetaCM>>hElum1RThetaCM", gate, "colz");   
      
      TH1F * htemp = (TH1F *) hElum1RThetaCM->ProjectionX("htemp");  
      
      double rel = (thetaCMRange[1] - thetaCMRange[0])*1.0/angBin;
      printf("angular resolution : %f deg \n", rel);
      
      vector<double> xList;
      double old_y = 0;
      for( int i = 1; i <= angBin; i++){
        double y = htemp->GetBinContent(i);
        if( old_y == 0 && y > 0) xList.push_back(htemp->GetBinCenter(i));
        if( old_y > 0 && y == 0 ) xList.push_back(htemp->GetBinCenter(i));
        old_y = y;
      }
              
      printf("list of gaps :\n");
      for( int i = 0; i < (int) xList.size(); i+=2){
        printf("%d | %.3f - %.3f deg\n", i, xList[i], xList[i+1]);
      }
      
      TF1 f1("f1", "sin(x)");
      double acceptance = 0;
      double err1 = 0;
      double err2 = 0;
      for( int i = 0; i < (int) xList.size(); i += 2 ){
        acceptance += f1.Integral(xList[i] * TMath::DegToRad(), xList[i+1] * TMath::DegToRad() ) * TMath::TwoPi();
        err1 += f1.Integral((xList[i]-rel) * TMath::DegToRad(), (xList[i+1] + rel) * TMath::DegToRad() ) * TMath::TwoPi();
        err2 += f1.Integral((xList[i]+rel) * TMath::DegToRad(), (xList[i+1] - rel) * TMath::DegToRad() ) * TMath::TwoPi();
      }
      printf("acceptance = %f sr +- %f \n", acceptance, (err1-err2)/2);
      
      TLatex text;
      text.SetTextFont(82);
      text.SetTextSize(0.06);
      text.SetTextColor(2);
      text.SetTextAngle(90);

      for( int i = 0; i < (int) xList.size(); i++){
        text.DrawLatex(xList[i], elumRange/2, Form("%.2f", xList[i]));
      }
      
      text.SetNDC();
      text.SetTextAngle(0);
      text.DrawLatex(0.15, 0.15, Form("accp. = %.2f(%.2f) msr", acceptance * 1000., (err1-err2)*1000./2));         

    }
      
    if( pID == pHitID ){
        printf("=======================meaning of Hit ID\n");
        printf("   1 = light recoil hit array & heavy recoil hit recoil\n");
        printf("   0 = no detector\n");
        printf("  -1 = light recoil go opposite side of array\n");
        printf("  -2 = light recoil hit > det width\n");
        printf("  -3 = light recoil hit > array \n");
        printf("  -4 = light recoil hit blocker \n");
        printf(" -10 = light recoil orbit radius too big  \n");
        printf(" -11 = light recoil orbit radius too small\n");
        printf(" -12 = when reocol at the same side of array, light recoil blocked by recoil detector\n");
        printf(" -13 = more than 3 loops\n");
        printf(" -14 = heavy recoil did not hit recoil  \n");
        printf(" -15 = cannot find hit on array\n");
        printf(" -20 = unknown\n");
        printf("===========================================\n");
        
        TH1F * hHit = new TH1F("hHit", "hit; hit-ID; count", 13, -11, 2);
        tree->Draw("hit>>hHit", "", "");
    }

  }
   
  cCheck->Modified();
  cCheck->Update();
  
  if( outputCanvas ){
    TDatime dateTime;
    TString outPNGName = Form("Sim_%d%02d%02d_%06d.png", dateTime.GetYear(), dateTime.GetMonth(), dateTime.GetDay(), dateTime.GetTime());
    
    cCheck->SaveAs(outPNGName);
    printf("%s\n", outPNGName.Data());
    
    gROOT->ProcessLine(".q");
    
  }
}

///============================================================
///============================================================

double * FindRange(TString branch, TString gate, TTree * tree, double output[2]){
  tree->Draw(Form("%s>>temp1", branch.Data()), gate);
  TH1F * temp1 = (TH1F *) gROOT->FindObjectAny("temp1");

  output[1] = temp1->GetXaxis()->GetXmax();
  output[0] = temp1->GetXaxis()->GetXmin();

  delete temp1;
  return output;
}

double ExtractNumber(int index, TMacro * macro){
  
  TString field = macro->GetListOfLines()->At(index)->GetName();
  int pos = field.First('/');
  if( pos >= 0 ) field.Remove(pos);
  
  return field.Atof();
  
}
TString ExtractString(int index, TMacro * macro){
  
  TString field = macro->GetListOfLines()->At(index)->GetName();

  int pos = field.First('/');
  if( pos >= 0 ) field.Remove(pos);
  
  return field;
  
}

vector<TString> StringToVector(TString str){
   
  vector<TString> temp;
  
  bool startFlag = false;
  bool endFlag = false;
  string jaja="";
  for(int i = 0; i < str.Length(); i++){
        
    if( str[i] == '{' ) {
        startFlag = true;
        continue;
    }
    if( str[i] == ' '){
        continue;
    }
    if( startFlag && !endFlag){
        
        if( str[i] == ',' ){
          temp.push_back(jaja);
          jaja="";
          continue;
        }
        
        if( str[i] == '}') {
          temp.push_back(jaja);
          endFlag = true;
          continue;
        }
        jaja += str[i];
        
    }
  }
  return temp;
}

vector<int> intConvertor(vector<TString> arr){
  vector<int> out ;
  for( int i = 0 ; i < (int) arr.size(); i++){
    out.push_back( arr[i].Atoi());
  }
  return out;
}
vector<double> doubleConvertor(vector<TString> arr){
  vector<double> out ;
  for( int i = 0 ; i < (int) arr.size(); i++){
    out.push_back( arr[i].Atof());
  }
  return out;
}

plotID StringToPlotID(TString str){
   
  if( str == "pEZ") return plotID::pEZ;                      ///0
  if( str == "pRecoilXY") return plotID::pRecoilXY;                /// 1
  if( str == "pRecoilXY1" ) return plotID::pRecoilXY1;       /// 2
  if( str == "pRecoilXY2" ) return plotID::pRecoilXY2;       /// 3
  if( str == "pRecoilRZ" ) return plotID::pRecoilRZ;         /// 4
  if( str == "pRecoilRTR" ) return plotID::pRecoilRTR;       /// 5
  if( str == "pTDiffZ" ) return plotID::pTDiffZ;             /// 6
  if( str == "pThetaCM" ) return plotID::pThetaCM;           /// 7
  if( str == "pThetaCM_Z" ) return plotID::pThetaCM_Z;       /// 8
  if( str == "pExCal" ) return plotID::pExCal;               /// 9
  if( str == "pRecoilRThetaCM" ) return plotID::pRecoilRThetaCM;   /// 10
  if( str == "pArrayXY" ) return plotID::pArrayXY;           /// 11
  if( str == "pInfo" ) return plotID::pInfo;                 /// 12
  if( str == "pHitID" ) return plotID::pHitID;               /// 13
  if( str == "pElum1XY" ) return plotID::pElum1XY;           /// 14
  if( str == "pEElum1R" ) return plotID::pEElum1R;           /// 14
  if( str == "pElum1RThetaCM" ) return plotID::pElum1RThetaCM;    /// 15
  if( str == "pEmpty" ) return plotID::pEmpty ;              /// 16
  
  return plotID::pEmpty;
}