# Check that users have entered a valid
# option based list
from stringcheckerRPS2 import want_instructions


def string_checker(question, valid_ans=('yes', 'no')):

    error  = f"Please enter a valid option from the following list: {valid_ans}"

    while True:

        # Get user response and make sure it's lowercase
        user_response = input(question).lower()

        for item in valid_ans:
            # check if the user response is a word in the list
            if item == user_response:
                return item

            # check if the user response is the same as
            # the first letter of an item in the list
            elif user_response == item[0]:
                return item

            #print error if the user does mot enter something that is valid
            print(error)
            print()


# Main Routine starts here

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

rps_list = ["rock", "paper", "scissors", "xxx  "]


print("🪨📃✂️ Rock / Paper / Scissors 🪨📃✂️")
print()

# Instructions
    # functions go here

    def yes_no(question):
        """Checks user response to question is yes / no (y/n), returns "yes" or "no"""

        while True:

            response = input(question).lower()

            #check the user says yes / no / y / n
            if response == "yes" or response == "y":
                return "yes"
            elif response == "no" or response == "n":
                return "no"
            else:
                print("please respond with yes or no")


    def instructions():
        """Prints instructions"""

        print("""
        *** Instructions ***
        
        Beat me in Rock, Paper, Scissors to win!
        """)

        # ask the user if they want instructions (check they say yes / no)
        want_instructions = yes_no("Do you want to see the instructions? ")

        # Display the instructions if the user wants to see them
        if want_instructions -- "yes":
            instructions()

        print()
        print("program continues")

# Ask 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} of {num_rounds}💿💿💿"

        print(rounds_heading)
        print()

    user_choice = string_checker("Choose: ", rps_list)
    print("you chose: ", user_choice)

    # Allows the user to end infinite mode when they want to
    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