import random
import time


# Checks that users enters a number between a low and high range
def int_check(question, low_number, high_number):

    while True:
        error = f"Please enter a number between {low_number} and {high_number}."

        try:
            response = int(input(question))

            # checks that the number is more than / equal to 13
            if response < low_number or response > high_number:
                print(error)
            else:
                return response

        except ValueError:
            print(error)

def select_difficulty(level):
    """Allows the player to choose a difficulty level."""




    if level == 1:
        return (1, 10)
    elif level == 2:
        return (2, 12)
    else:
        return (5, 20)


def run_quiz():
    print("=" * 40)
    print("  Welcome to the Multiplication Quiz!")
    print("=" * 40)

    while True:

        want_instructions = input("Do you want to see the instructions? ").lower()

        # check the user says yes / no
        if want_instructions == "yes" or want_instructions == "y":
            print("you said yes")
            break
        elif want_instructions == "no" or want_instructions == "n":
            print("you said no")
            break
        else:
            print("please enter yes / no")

    choice = int_check("Enter the difficulty (1-3): ",1,3)

    min_val, max_val = select_difficulty(choice)

    # Get the number of questions


    num_questions = int_check("How many questions would you like? ", 1, 10)

    score = 0
    start_time = time.time()

    # Loop through questions
    for i in range(1, num_questions + 1):
        num1 = random.randint(min_val, max_val)
        num2 = random.randint(min_val, max_val)
        correct_answer = num1 * num2

        user_answer = int_check(f"\nQuestion {i}/{num_questions}: What is {num1} × {num2}?",)

        # Get user's answer
        while True:
            try:
                user_answer = int(input("Your answer: "))
                break
            except ValueError:
                print("Invalid input! Please enter a valid integer.")

        # Check answer
        if user_answer == correct_answer:
            print("✨ Correct!")
            score += 1
        else:
            print(f"❌ Incorrect. The correct answer was {correct_answer}.")

    # Results calculation
    total_time = round(time.time() - start_time, 1)
    percentage = round((score / num_questions) * 100, 1)

    # Final summary
    print("\n" + "=" * 40)
    print("           QUIZ RESULTS           ")
    print("=" * 40)
    print(f"Final Score : {score} out of {num_questions}")
    print(f"Accuracy    : {percentage}%")
    print(f"Time Taken  : {total_time} seconds")

    # Grade feedback
    if percentage == 100:
        print("Feedback    : Perfect score! Outstanding job! 🎉")
    elif percentage >= 80:
        print("Feedback    : Great work! You know your tables well. 👍")
    elif percentage >= 50:
        print("Feedback    : Good attempt! Keep practicing. 💪")
    else:
        print("Feedback    : Don't give up! Practice makes perfect. 📚")

if __name__ == "__main__":
    run_quiz()