blackjack

blackjack.py

suits = ('Hearts', 'Diamonds', 'Clubs', 'Spades')
ranks = ('Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine', 'Ten', 'Jack', 'Queen', 'King', 'Ace')
values = {'Two':2, 'Three':3, 'Four':4, 'Five':5, 'Six':6, 'Seven':7, 'Eight':8, 'Nine':9, 'Ten':10, 'Jack':10, 'Queen':10, 'King':10, 'Ace':11}

import random

def prepare_deck():
    a_deck = []
    for s in suits:
        for r in ranks:
            a_deck.append((r,s))
            
    random.shuffle(a_deck)
    return a_deck

def deal_a_card(a_deck):
    return a_deck.pop()

class PlayerHand():
    
    def __init__(self):
        self.cards_on_hand = []
        self.value_on_hand = 0
        self.aces_on_hand = 0

    def add_card(self, a_card):
        self.cards_on_hand.append(a_card)
        self.value_on_hand += values[a_card[0]]

        if a_card[0] == 'Ace':
            self.aces_on_hand += 1

def buy_in():
    while True:
        try:
            buy_in_amount = int(input('How much $ you want to buy? 1 chip = $1: '))
        except:
            print('Please provide only an integer')
        else:
            break
    return buy_in_amount

def take_bet():
    while True:
        try:
            bet_amount = int(input('Please make a bet: '))
        except:
            print('Please provide only an integer')
        else:
            if bet_amount > chip_amount:
                print(f'Not enough chips. You have {chip_amount} chips')
            else:
                break
    return bet_amount

def showtime():
    if final_showdown:
        print("\nDealer's Hand:")
        for r,s in dealer_player.cards_on_hand:
            print(f'{r} of {s}')
        print(f'Dealers hand: {dealer_player.value_on_hand}')

        print("\nPlayer's Hand:")
        for r,s in human_player.cards_on_hand:
            print(f'{r} of {s}')
        print(f'Players hand: {human_player.value_on_hand}')

    else:
        print("\nDealer's Hand:")
        print('<card hidden>')
        for r,s in dealer_player.cards_on_hand[1:]:
            print(f'{r} of {s}')

        print("\nPlayer's Hand:")
        for r,s in human_player.cards_on_hand:
            print(f'{r} of {s}')

    

def hit_or_stand():
    h_or_s = ''
    while not (h_or_s == 'H' or h_or_s == 'S'):
        h_or_s = input('HIT or STAND? H/S: ').upper()
    if h_or_s == 'H':
        human_player.add_card(deal_a_card(the_deck))
        return h_or_s
    elif h_or_s == 'S':
        return h_or_s
        
def adjust_for_ace(whos_hand):
    while whos_hand.value_on_hand > 21 and whos_hand.aces_on_hand > 0:
        whos_hand.value_on_hand -= 10
        whos_hand.aces_on_hand -= 1
    

chip_amount = buy_in()

while True:
        
    # deck preparation
    the_deck = prepare_deck()

    # hand preparation
    dealer_player = PlayerHand()
    dealer_player.add_card(deal_a_card(the_deck))
    dealer_player.add_card(deal_a_card(the_deck))

    human_player = PlayerHand()
    human_player.add_card(deal_a_card(the_deck))
    human_player.add_card(deal_a_card(the_deck))



    #game set
    final_showdown = False

    players_bet = take_bet()

    # players turn
    while True:
        showtime()
        players_choice = hit_or_stand()

        adjust_for_ace(human_player)
            
        if human_player.value_on_hand > 21:
            final_showdown = True
            showtime()
            chip_amount -= players_bet
            print('BUST!. Dealer wins')
            break
        elif players_choice == 'S':
            print('Player stands. Dealer is playing.')
            break

    # dealers turn
    if human_player.value_on_hand <= 21:

        while True:
            while dealer_player.value_on_hand < 17:
                dealer_player.add_card(deal_a_card(the_deck))

            adjust_for_ace(dealer_player)

            if dealer_player.value_on_hand > 17 and dealer_player.aces_on_hand == 0:
                break

        final_showdown = True
        showtime()

        dealer_to_21 = abs(21 - dealer_player.value_on_hand)
        player_to_21 = abs(21 - human_player.value_on_hand)

        if dealer_to_21 < player_to_21:
            print('Dealer wins')
            chip_amount -= players_bet
            
        elif player_to_21 < dealer_to_21:
            print('Player wins')
            chip_amount += players_bet
        elif player_to_21 == dealer_to_21:
            print('Push')

            
    if chip_amount == 0:
        print('Out of chips')
        break
    
    new_game = input("Would you like to play another hand? Enter 'y' or 'n' ")
    if new_game[0].lower()=='y':
        continue
    else:
        print("Thanks for playing!")
        break