Number Guessing Game

game.py

"""
Random number guessing game
"""

import sys
from random import randrange
from math import ceil, floor


class NumberGuessingGame:

    def __init__(self, low=1, high=1000):
        """
        Params:
            low (int)    lowest number in range (inclusive)
            high (int)  highest number in range (inclusive)
        Side Effect:
            Plays a fun number guessing game
        """
        self.__running__ = True
        self.answer = randrange(low, high + 1)
        self.low = low
        self.low_hint = low
        self.high = high
        self.high_hint = high
        self.hints = 'disabled'
        self.wins = 0

    def display_rules(self):
        print("==================================")
        print("=  Number Guessing Game          =")
        print("==================================")
        print("=                                =")
        print("=  > A random number between     =")
        print(f"=    {self.low} and {self.high}  ")
        print("=    is generated                =")
        print("=                                =")
        print("=  > Player guesses the number   =")
        print("=                                =")
        print("=  > If the player guesses the   =")
        print("=    correct number, you win!    =")
        print("=                                =")
        print("=  > Ctrl + C to exit            =")
        print("=                                =")
        print("==================================")
        print()

    def handle_level_up(self):
        if self.wins == 1:
            print("Level Up! > Hints enabled")
            self.hints = 'enabled'
        if self.wins >= 2:
            print("Level Up! > Hints get closer to correct answer")
            self.hints = 'advanced'
        print(f"! LVL {self.wins} !")

    def win(self):
        self.wins = self.wins + 1
        self.low_hint = self.low
        self.high_hint = self.high
        print()
        print("==================================")
        print("=                                =")
        print(f"=   {self.answer} is correct! ")
        print("=                                =")
        print("==================================")
        print("                                  ")
        print("==================================")
        print("=                                =")
        print("=           You win!             =")
        print("=                                =")
        print("==================================")
        self.answer = randrange(self.low, self.high + 1)
        self.handle_level_up()

    def wrong_answer(self, guess):
        if guess < self.answer:
            if guess > self.low_hint:
                self.low_hint = guess
            return f"^ higher"
        if guess > self.answer:
            if guess < self.high_hint:
                self.high_hint = guess
            return f"v lower"

    def wrong_answer_with_hints(self, guess):
        if guess < self.answer:
            if guess > self.low_hint:
                self.low_hint = guess
            return f"^ higher  [{self.low_hint} - {self.high_hint}]"
        if guess > self.answer:
            if guess < self.high_hint:
                self.high_hint = guess
            return f"v lower   [{self.low_hint} - {self.high_hint}]"

    def closer_lower_hint(self, guess):
        closer = guess + floor(self.answer * (self.wins/125))
        if closer > self.answer:
            return self.answer
        else:
            little_closer = closer + ceil(self.answer * (self.wins/250))
            if little_closer > self.answer:
                return self.answer
            else:
                return little_closer

    def closer_higher_hint(self, guess):
        closer = guess - ceil(self.answer * (self.wins/125))
        if closer < self.answer:
            return self.answer
        else:
            little_closer = closer - ceil(self.answer * (self.wins/250))
            if little_closer < self.answer:
                return self.answer
            else:
                return little_closer

    def wrong_answer_with_advanced_hints(self, guess):
        if guess < self.answer:
            if guess > self.low_hint:
                self.low_hint = self.closer_lower_hint(guess)
            return f"^ higher  [{self.low_hint} - {self.high_hint}]"
        if guess > self.answer:
            if guess < self.high_hint:
                self.high_hint = self.closer_higher_hint(guess)
            return f"v lower   [{self.low_hint} - {self.high_hint}]"

    def check_answer(self, guess):
        if guess == self.answer:
            self.win()
        else:
            if self.hints == 'disabled':
                print(self.wrong_answer(guess))
            if self.hints == 'enabled':
                print(self.wrong_answer_with_hints(guess))
            if self.hints == 'advanced':
                print(self.wrong_answer_with_advanced_hints(guess))

    def validated_range(self, guess):
        if guess < self.low:
            print(f"[Too Low]\n  please enter a number between {self.low} and {self.high}")
            return False
        if guess > self.high:
            print(f"[Too High]\n  please enter a number between {self.low} and {self.high}")
            return False
        return True

    def user_provided_valid_guess(self, guess_text):
        try:
            guess = int(guess_text)
            result = self.validated_range(guess)
            return result
        except ValueError as err:
            print(f"[Invalid Input]\n  please enter a number between {self.low} and {self.high}")
        return False

    def handle_user_input(self):
        guess_text = input("> ")
        if self.user_provided_valid_guess(guess_text):
            guess = int(guess_text)
            self.check_answer(guess)

    def game_loop(self):
        while self.__running__:
            self.handle_user_input()

    def run(self):
        """show rules and run main game loop"""
        self.display_rules()
        try:
            self.game_loop()
        except KeyboardInterrupt:
            print(f"The correct number was {self.answer}. Goodbye")
            exit(0)

def main():
    game = NumberGuessingGame()
    game.run()

if __name__ == "__main__":
    main()