Cows and Bulls (with troubleshooting comments)

# Jonah Monaghan
# 11/9/17
# Cows and Bulls

import random
import os
import sys

numbers = [0, 0, 0, 0]
eog = False

# FNF exception catching and resolution
try:
    highScoreFile = open("Files\\highscore.txt", "r+")  # Attempt to open file
except FileNotFoundError:  # FILE NOT FOUND
    print("Error Code 001: Highscore file was not found.")  # Display error message
    valid = False  # Boolean to approve user input
    while (valid == False):  # Until User gives valid input
        userInput = input(
            "Would you like this to be resolved? [y/n]\n")  # Ask if user would like error resolved
        if (userInput.lower() == "y"):  # yes
            valid = True  # Input is valid
            try:
                os.mkdir("Files")  # Make a directory
                highScoreFile = open("Files\\highscore.txt", "w")  # Write the file
                highScoreFile.close()
                highScoreFile = open("Files\\highscore.txt", "r+")
                highScoreFile.write("9999")  # Write the score inside the file
            except FileExistsError:  # Directory Files exists
                highScoreFile = open("Files\\highscore.txt", "w")  # Write file into Files directory
                highScoreFile.close()
                highScoreFile = open("Files\\highscore.txt", "r+")
                highScoreFile.write("100")  # Write the score inside the file
        elif userInput.lower() == "n":  # User is an idiot
            valid = True  # Set answer to valid
            print("Closing program...")  # Print status
            sys.exit(0)  # Exit
        else:
            print("Error Code 002a: Invalid Input (Input must be y or n)")  # Print error

sHighScore = highScoreFile.readline()
highScoreFile.close()

try:
    userHighScore = int(sHighScore)  # try to make the highscore file into a string
except ValueError:
    userHighScore = 9999  # If a value error occurs hardcode the highscore


def GameState(highScore):
    guesses = 0
    while eog == False:
        guesses += 1
        bulls = 0
        cows = 0
        userInput = input("Please enter a 4 digit number: ")
        if len(userInput) != 4:
            print("Error Code 003: Input must be a 4 digit number")
        else:
            uInList = list(userInput)

        # conversion
        for x in range(4):
            uInList[x] = int(uInList[x])  # Uneccessary but rubric says that INTEGERS must be compared

        # comparisson
        for x in range(4):
            if (numbers[x] == uInList[x]):
                bulls += 1
            else:
                # print("Else trigger") [troubleshooting]
                for y in range(4):
                    if x != y and numbers[x] == uInList[y]:
                        # print("Match found at index ", y, " with number ", numbers[x]) [troubleshooting]
                        cows += 1

        print("Bulls: ", bulls)
        print("Cows:", cows)

        if (bulls == 4):
            if guesses < highScore:
                highScoreFile = open("Files\\highscore.txt", "w")  # Open highscore file
                highScoreFile.write(str(guesses))  # Rewrite highscore file
                highScoreFile.close()  # Close highscore file
                highScore = guesses  # Set new highscore
                print("NEW HIGHSCORE")  # Print congrats
            print("CONGRATS YOU GOT THE NUMBER IN", guesses, " GUESSES! Would you like to play again? [y/n]")
            userInput = input("")  # Not adding additional verification loop but code can be found on High/Low game
            if userInput == "y":
                numGen(highScore)
            elif userInput == "n":
                sys.exit(0)


def numGen(highScore):
    counter = 0
    while counter < 4:
        fail = False
        tempNumber = random.randint(1, 9)
        for x in range(4):
            if tempNumber == numbers[x]:
                fail = True
                # print("Fail triggered on ", counter, " with number ", tempNumber) [troubleshooting]
        if fail == False:
            numbers[counter] = tempNumber
            counter += 1
    # print(numbers) [troubleshooting]
    GameState(highScore)


numGen(userHighScore)