import serial
import time
from itertools import *

def main():
    part1 = 'A'
    part2 = '1'
    part3 = '1'
    chars = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
    nums = ['0','1','2','3','4','5','6','7','8','9']
    com = input("Enter COM port the Chameleon is on: ")
    ser = serial.Serial(com.upper())
    ser.write(str.encode('config=MF_ULTRALIGHT\r')) #sets the config to Mifare Ultralight
    ser.write(str.encode('setting=1\r')) #sets the slot to slot 1

    for length in range(1, 3):  # only do lengths of 1 + 2
        to_attempt = product(chars, repeat=length)
        for attempt in to_attempt:
            part1 = (''.join(attempt)) #The Randomly generated section

            for length in range(1, 2):  # only do lengths of 1
                to_attempt = product(nums, repeat=length)
                for attempt in to_attempt:
                    part2 = (''.join(attempt)) #The Randomly generated section

                    for length in range(1, 2):  # only do lengths of 1
                        to_attempt = product(nums, repeat=length)
                        for attempt in to_attempt:
                            part3 = (''.join(attempt)) #The Randomly generated section

                            uid = '04'+part1+'C'+part2+'1AEF2A8'+part3
                            #Final step before sending generated UID to Chameleon. The hardcoded strings are the constants in my particular UID that don't change.
                            #You will have to nest a new loop for each section of the UID that is randomly generated.
                            print(uid)
                            ser.write(str.encode('uid='+uid+'\r'))
                            msg = ser.readline()
                            print(msg)
                            time.sleep(2)



main()