blackjack.py

import random

class Card:
    def __init__(self, suit, rank):
        self.suit = suit
        self.rank = rank

    def __str__(self):
        return f"{self.rank['rank']} of {self.suit}"

class Deck:
    def __init__(self):
        self.cards = []
        suits = ["spades", "clubs", "hearts", "diamonds"]
        ranks = [
                {"rank": "A", "value": 11},
                {"rank": "2", "value": 2},
                {"rank": "3", "value": 3},
                {"rank": "4", "value": 4},
                {"rank": "5", "value": 5},
                {"rank": "6", "value": 6},
                {"rank": "7", "value": 7},
                {"rank": "8", "value": 8},
                {"rank": "9", "value": 9},
                {"rank": "10", "value": 10},
                {"rank": "J", "value": 10},
                {"rank": "Q", "value": 10},
                {"rank": "K", "value": 10},
            ]
        for suit in suits:
            for rank in ranks:
                self.cards.append(Card(suit, rank))

    def shuffle(self):
        if len(self.cards) > 1:
            random.shuffle(self.cards)

    def deal(self, number):
        if len(self.cards) > 0:
            cards_delt = []
            for x in range(number):
                card = cards.pop()
                cards_delt.append(card)
            return cards_delt

class Hand:
    def __init__(self, dealer=False):
        self.cards = []
        self.value = 0
        self.dealer = dealer

    def add_card(self, card_list):
        self.cards.extend(card_list)

    def calculate_value(self):
        self.value = 0
        has_ace = False

        for card in self.cards:
            card_value = int(card.rank["value"])
            self.value += card_value

        if has_ace and self.value > 21:
            self.value -= 10

    def get_value(self):
        self.calculate_value()
        return self.value

    def is_blackjack(self):
        return self.get_value() == 21

    def display(self, show_all_dealer_cards=False):
        print(f'''{"Dealer's" if self.dealer else "Your"} hand:''')
        for index, card in enumerate(self.cards):
            if index == 0 and self.dealer and not show_all_dealer_cards and not self.is_blackjack():
                print("hidden")
            else:
                print(card)

        if not self.dealer:
            print("Value:", self.get_value())
        print()

class Game:
    def play(self):
        game_number = 0
        games_to_play = 0

        while games_to_play <= 0:
            try:
                games_to_play = int(input("How many games do you want to play?: "))
            except:
                print("You must enter a number.")

        while game_number < games_to_play:
            game_number += 1

            deck = Deck()
            deck.shuffle()

            player_hand = Hand()
            dealer_hand = Hand(dealer=True)

            for i in range(2):
                player_hand.add_card(deck.deal())
                dealer_hand.add_card(deck.deal())

            print()
            print("*" * 30)
            print(f"Game {game_number} of {games_to_play}")
            print("*" * 30)
            player_hand.display()
            dealer_hand.display()

            if self.check_winner(player_hand, dealer_hand):
                continue

            choice = ""
            while choice not in ["s", "stand"] and player_hand.get_value() < 21:
                choice = input("Please choose 'Hit' or 'Stand': ").lower()
                print()
                while choice not in ["h", "s", "hit", "stand"]:
                    choice = input("Please enter 'Hit' or 'Stand' (or H/S) ").lower()
                    print()
                if choice in ["hit", "h"]:
                    player_hand.add_card(deck.deal())
                    player_hand.display()

            if self.check_winner(player_hand, dealer_hand):
                continue

            player_hand_value = player_hand.get_value()
            dealer_hand_value = dealer_hand.get_value()


            while dealer_hand_value < 17:
                dealer_hand.add_card(deck.deal())
                dealer_hand_value = dealer_hand.get_value()

            dealer_hand.display(show_all_dealer_cards=True)

            if self.check_winner(player_hand, dealer_hand):
                continue 

            print("Final Results")
            print("Your hand:", player_hand_value)
            print("Dealer's hand:", dealer_hand_value)

            self.check_winner(player_hand, dealer_hand, True)
            
        print("\nThanks for playing!")

    def check_winner(self, player_hand, dearler_hand, game_over=False):
        if not game_over:
            if player_hand.get_value() > 21:
                print("You busted. Dealer wins! 😭")
                return True
            elif dealer_hand.get_value() > 21:
                print("Dealer busted. You win! 😄")
                return True
            elif player_hand.is_blackjack() and dealer_hand.is_blackjack():
                print("Both players have blackjack! Tie! 🤨")
                return True
            elif player_hand.is_blackjack():
                print("You have blackjack! You win! 😄")
                return True
            elif dealer_hand.is_blackjack():
                print("Dealer has blackjack! Dealer wins! 😭")
                return True
        else:
            if player_hand.get_value() > dealer_hand.get_value():
                print("You win! 😄")
            elif player_hand.get_value() == dealer_hand.get_value():
                print("Tie! 🤨")
            else:
                print("Dealer wins! 😭")

            return True

        return False

g = Game()
g.play()