"""
POST method
server = "http://vm02.iucr.org/cgi-bin/checkcif.pl"
"file" is the openned buffered file ideally with enctype="multipart/form-data"
"runtype" is "symmonly"
"referer" is "checkcif_server"
outputtype can be HTML or PDF
"""
import os
import sys
import shutil
import re
import olex
import olx
try:
  import urllib.request, urllib.parse, urllib.error
  import urllib.request, urllib.error, urllib.parse
except:
  print("You appear to be missing the urllib modules you will need these for this to work")
  sys.exit()
#import urllib2_file
from olexFunctions import OlexFunctions
OV = OlexFunctions()

'''
To run this script, type spy.OlexCheckCIF() in Olex2
'''

def OlexCheckCIF():

  """if result_filetype >= 1:
    result_filetype = "pdf"
  else:
    result_filetype = "html"
  """
  # Only getting html return from IUCr may need to check on this?
  try:
    filename = open('%s/%s.cif' %(OV.FilePath(), OV.FileName()), 'rb')
  except IOError:
    print("The file does not exist, creating CIF file")
    OV.cmd("addins acta")
    OV.cmd("refine 4")
    return OlexCheckCIF()
  result_filetype = "html"
  params = {
    "runtype": "symmonly",
    "referer": "checkcif_server",
    "outputtype": result_filetype,
    "file": filename
  }
  #print params #Parameter check
  #params = urllib.urlencode(params)
  f = urllib.request.urlopen("http://vm02.iucr.org/cgi-bin/checkcif.pl", params)

  cifcheck_res = open('%s/%s_checkcif_report.%s' %(OV.FilePath(), OV.FileName(), result_filetype), 'w')
  cifcheck_res.write("%s"%f.read())
  cifcheck_res.close()
  # Now outputs into a html file then opens browser.
  olx.Shell('%s/%s_checkcif_report.%s' %(OV.FilePath(), OV.FileName(), result_filetype)) # Thanks to Richard G. for this

  # Need to build a PDF version as well
  print("Completed Check your webrowser")

OV.registerFunction(OlexCheckCIF)