import numpy as np
import math
import sys
from yt.mods import *
from yt.analysis_modules.halo_finding.api import *
import glob
import re
import commands

massmin = 1.0e6
bins =48  # 300
binwidth = 0.1 #math.log10(massmax/massmin)/bins
massmax = 10**(math.log10(massmin)+bins*binwidth)

f=open("star_count.txt",'a')

dlist = glob.glob('RD00??')
dlist.sort()
#output = int(re.sub(r'\D',"",fn))
for folder in dlist:
  n = int(re.sub(r'\D',"",folder))
  #if n > 5 :continue
  if glob.glob(folder+'/PopII_histogram.txt') != []: continue
  f=open(folder+'/PopII_haloes.txt','r')
  fo = open(folder+'/PopII_histogram.txt','w')
  halolist = []
  PopII = []
  PopIImass = []
  line = f.readline()
  while line != '':
   halomass = float(line.split()[0])
   halolist.append(halomass)
   PopII.append(int(line.split()[1]))
   PopIImass.append(float(line.split()[2])*float(line.split()[1]))
   line = f.readline()

  halocount = np.zeros(bins+1)
  totalPopII = np.zeros(bins+1)
  totalmass = np.zeros(bins+1)
  totalhalo = np.zeros(bins+1)

  for halomass,star,mass in zip(halolist,PopII,PopIImass):
   index = int((math.log10(halomass/massmin)+0.5*binwidth)/binwidth)
   if index < 0: continue
   if (star) > 0:
     halocount[index] = halocount[index] + 1
     if star >0:
         totalPopII[index] = totalPopII[index] + star
         totalmass[index] = totalmass[index] +mass
   totalhalo[index] = totalhalo[index] + 1

  cumulationPopII = 0.0
  cumulationmass = 0.0
  bin = math.log10(massmin) + 0.5*binwidth
  for count,star,mass,halo in zip(halocount,totalPopII,totalmass,totalhalo):
    cumulationPopII = cumulationPopII + star
    cumulationmass = cumulationmass + mass
    fo.write(str(10**bin)+" "+str(count)+" "+str(halo)+" "+str(star)+" "+str(cumulationPopII)+\
     " "+str(mass)+" "+str(cumulationmass)+" "+str(((star)/count if count > 0 else 0))+"\n")
    bin =  bin + binwidth

  f.close()
  fo.close()