from numpy import loadtxt

resultDirectory="Results/"
positionFile="/position"
momentumFile="/momentum"
extraFile="/extra"
profileFile="/profile"
ElmagFile="/Elmag_spectrum"

def ReadTime(fileName):
   return loadtxt(resultDirectory+fileName+positionFile,unpack=True,usecols=[0])

def ReadPosition(fileName):
   return loadtxt(resultDirectory+fileName+positionFile,unpack=True,usecols=[1,2,3])

def ReadPositionAngle(fileName):
   return loadtxt(resultDirectory+fileName+positionFile,unpack=True,usecols=[4,5])

def ReadEnergy(fileName):
   return loadtxt(resultDirectory+fileName+momentumFile,unpack=True,usecols=[0])

def ReadMomentum(fileName):
   return loadtxt(resultDirectory+fileName+momentumFile,unpack=True,usecols=[1,2,3])

def ReadMomentumAngle(fileName):
   return loadtxt(resultDirectory+fileName+momentumFile,unpack=True,usecols=[4,5])

def ReadCharge(fileName):
   return loadtxt(resultDirectory+fileName+extraFile,unpack=True,usecols=[0])

def ReadRedshift(fileName):
   return loadtxt(resultDirectory+fileName+extraFile,unpack=True,usecols=[1])

def ReadWeight(fileName):
   return loadtxt(resultDirectory+fileName+extraFile,unpack=True,usecols=[2])

def ReadGeneration(fileName):
   return loadtxt(resultDirectory+fileName+extraFile,unpack=True,usecols=[3])

def ReadElmag(fileName):
   Elmag=resultDirectory+fileName+ElmagFile
   energy,fluxGamma,fluxLepton = loadtxt(Elmag,unpack=True,usecols=[0,1,2])
   energy *= 10**(-9) #GeV
   flux=(fluxGamma+fluxLepton)*1e-9 #GeV normalized to 1 initial photon
   return energy,flux

def ReadE_source(fileName): # Emax (GeV), redshift, distance (Mpc), Nb photons 
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[0])

def Readz_source(fileName): # redshift
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[1])

def ReadD_source(fileName): # distance (Mpc)
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[2])

def ReadNphot_source(fileName): # Nb photons emitted
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[3])

def ReadEGMF(fileName):
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[4])

def ReadNbLeptonsProd(fileName):
   return loadtxt(resultDirectory+fileName+profileFile,unpack=True,usecols=[5])