import random


# Check that users have entered a valid option based on a list
def string_checker(question, valid_ans):
    while True:

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


        # 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 user does not enter something that is valid
        print(error)
        print()


# Displays instructions
def instruction():
    print('''

**** Instructions ****

To begin, choose the number of rounds.

Then answer the questions to the best of your ability

Good Luck!
    ''')

# checks for an integer more than 0
def int_check(question):
    while True:
        error = "Please enter an integer that is 1 or more."

        to_check = input(question)

        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)

# checks for an integer between 5 and 20
def int_check_rounds(question):
    while True:
        error = "Please enter an integer between 5 and 20."

        to_check = input(question)

        try:
            response = int(to_check)

            # checks that the number is between 5 and 20
            if response < 5 or response > 20:
                print(error)
            else:
                return response

        except ValueError:
            print(error)

# compares user / random number and returns result (win / lose)
def answer_compare(user, comp):
    # If the user and the computer answer is the same, it's a win
    if user == comp:
        round_result = "win"

    # if it's not a win then it's a loss
    else:
        round_result = "lose"

    return round_result

# Initialise game variables
mode = "regular"

rounds_played = 0
rounds_lost = 0
rounds_won = 0
yes_no = ["yes", "no"]
game_history = []


# Main Routine Starts here

# Game Heading - game play starts here
print("✖️✖️✖️️️ (っ◔◡◔)っ Multiplication Game ✖️✖️✖️")
print()

# ask user if they want to see the instructions and display them if requested

want_instructions = string_checker("do you want to see the instructions? ", yes_no)

# checks users enter yes (y) or no (n)
if want_instructions == "yes":
    instruction()

# Ask user for number of rounds
num_rounds = int_check_rounds("How many rounds would you like (between 5 and 20)? ")

# Game loop starts here
while rounds_played < num_rounds:

    # Generate two random integers between 1 and 12
    random_integer = random.randint(1, 12)

    random_integer_two = random.randint(1, 12)

    # Multiplies the randoms and gives variable answer the answer
    answer = random_integer * random_integer_two

    # Rounds headings (based on mode)
    if mode == "regular":
        rounds_heading = f"\nRound {rounds_played + 1}"
    else:
        break

    print(rounds_heading)

    # Chooses the answer variable
    comp_choice = answer

    # get user choice
    user_choice = int_check(f"What is {random_integer} X {random_integer_two} ")
    # print("you chose", user_choice)

    result = answer_compare(user_choice, comp_choice)

    # Adjust game lost / game won

    if result == "lose":
        rounds_lost += 1
        feedback = "😢😢 You lose. 😢😢"
    else:
        feedback = "👍👍 You won. 👍👍"

    # Set up round feedback and output it user.
    # Add it to the game history list (include the round number)
    round_feedback = f"The answer is {comp_choice}, {feedback}"
    history_item = f"Round: {rounds_played + 1} - {round_feedback}"

    print(round_feedback)
    game_history.append(history_item)

    # increase number of rounds played.
    rounds_played += 1

# Game loop ends here

# Game History / Statistics area

if rounds_played > 0:
    # Calculate Statistics
    rounds_won = rounds_played - rounds_lost
    percent_won = rounds_won / rounds_played * 100
    percent_lost = rounds_lost / rounds_played * 100

    # Output Game Statistics
    print("📊📊📊 Game Statistics 📊📊📊")
    print(f"👍 Won: {percent_won:.2f} \t "
          f"😢 Lost: {percent_lost:.2f} \t ")
    print("Thank you for playing")