# checks for an integer more than zero (allows <enter>)
def int_check(question):
    while True:
        error = "Please enter an integer that is 1 or more"

        to_check = input(question)

        # check for infinite mode
        if to_check == "":
            return "infinite"

        try:
            response = int(to_check)

            # checks that the number is more than / equal to 1
            if response < 1:
                print(error)

            else:
                return response

        except ValueError:
            print(error)


# Main routine starts here

# Initialise game variables
mode = "regular"
rounds_played = 0


print("💎📰✂️ Rock / Paper / Scissors Game ✂️📰💎")
print()

# Instructions

# Ask the user for number of rounds / infinite mode
num_rounds = int_check("How many rounds would you like? Push <enter> for infinite mode: ")

if num_rounds == "infinite":
    mode = "infinite"
    num_rounds = 5

# Game loop starts here
while rounds_played < num_rounds:

    # Rounds headings
    if mode == "infinite":
        rounds_heading = f"\n⚇⚇⚇ Round {rounds_played + 1} (Infinite mode) ⚇⚇⚇"
    else:
        rounds_heading = f"\n💿💿💿 Round {rounds_played + 1} of {num_rounds} 💿💿💿"

    print(rounds_heading)
    print()

    user_choice = input("Choose: ")

    # breaks the loop if the user inputs "xxx"
    if user_choice == "xxx":
        break

    rounds_played += 1

    # if users are in infinite mode, increase number of rounds
    if mode == "infinite":
        num_rounds += 1

# Game loop ends here

# Game history / statistics area