from sys import argv, exit
import csv
import re
if len(argv) < 3:
    print("mising command-line argument")
    exit(1)

#pattern1 = re.compile(r'AGAT')
#pattern2 = re.compile(r'AATG')
#pattern3 = re.compile(r'TATC')
# pattern = re.compile(r'contents[i:j]')


with open(argv[1],"r") as file, open(argv[2],"r") as csvfile:
    count = 0
    contents = file.read()
    csvcontents = csv.reader(csvfile)
    header = next(csvcontents)
    data = [row for row in csvcontents]

    i = 0
    j = 4
    while contents[i:j]:
        span = contents[i:j]
        repcount = 1
        while contents[i+4:j+4] == span:
            repcount += 1
            i += 4
            j += 4
        #if repcount != 0:
        if repcount > 1:
            print("span " + span + " repeats " + str(repcount) + " times")
            i += 4
            j += 4
        else:
            i += 4
            j += 4


    index = 0
    for headervalue in header:
        index += 1
        if headervalue == span:
            data = [row for row in contents]
            #if int(data[index]) == repcount:
            if data[index] == repcount:
                print("possible match is named " + data[0])

#with open(argv[2],"r") as csvfile:
 #   csvcontents = csv.reader(csvfile)
  #  header = next(csvcontents) # look up what next is doing again
   # print("seeing what the next() function does by assigning it to header")
#    print("printing header")
 #   print(header) ## assign header into a list

#    data = [row for row in csvcontents]
 #   print("printing data[0]")
  #  print(data[0])
    # row could be called anything... how does it know to print a row?
    # is it part of the csv reader() method?

#    print("printing 1 line at a time")
 #   i = 0
  #  while i < len(data):
   #     print(data[i])
    #    i += 1
#    print("print(data[15][2]) prints: ")
 #   print(int(data[15][2]))

#    print("print(data[15][1]) prints: ")
 #   print(int(data[15][1]))

  #  print("print(data[15][0]) prints: ")
   # print(str(data[15][0]))

      #File "fcsvdna.py", line 70, in <module>
    # print(int(data[15][0]))
     #   ValueError: invalid literal for int() with base 10: 'Neville'

    #print("header[1] prints: ")
    #print(header[1])

    #print("printing everything in the csv file: ")
    #print(data)