blackjack/src/pyjack/game.py

from pyjack.dealer import Dealer
from pyjack.deck import Deck
from pyjack.player import Player


class Game:
    """The Game class is the central coordinator, managing the flow of
    the entire round, from setup to payout."""

    # TODO: - play_round() function
    #       - show_cards function

    def __init__(self) -> None:
        """Creates instances of 'Deck', 'Player', and 'Dealer'."""
        self.deck = Deck()
        self.player = Player(0)
        self.dealer = Dealer(1000)

    def compare_hands(self, bet: float) -> str:
        """*Resolution/Payout*: Compares final hand values, checks for
        Bust, Blackjack, and highest value.

        *Updates* player.chips based on the outcome and the bet.

        *Returns* the result string (e.g., "Player Wins!")."""

        player_value = self.player.hand.value
        dealer_value = self.dealer.hand.value
        player_cards = len(self.player.hand.cards)
        dealer_cards = len(self.dealer.hand.cards)

        # Check player bust:
        if player_value > 21:
            self.player.chips -= bet
            return "Player Lost"
        # Check dealer bust:
        if dealer_value > 21:
            self.player.chips += bet
            return "Player Wins"

        # Check for Blackjack (21 with 2 cards)
        is_player_bj = player_value == 21 and player_cards == 2
        is_dealer_bj = dealer_value == 21 and dealer_cards == 2

        if is_player_bj and not is_dealer_bj:
            self.player.chips += bet * 1.5
            return "Player Wins 3:2"
        elif is_dealer_bj:
            self.player.chips -= bet
            return "Player Lost"

        # Check for normal values
        if player_value > dealer_value:
            self.player.chips += bet
            return "Player Wins"
        elif player_value < dealer_value:
            self.player.chips -= bet
            return "Player Lost"
        else:
            return "Tie"

    def show_cards(self, hide_dealer: bool = False) -> None:
        """Displays the cards. The boolean determines if the dealer's
        second card is shown or concealed."""

        player_cards = self.player.hand.cards
        player_hand = self.player.hand
        dealer_cards = self.dealer.hand.cards
        dealer_hand = self.dealer.hand

        print("--Player Cards:--")
        for card in player_cards:
            print(str(card))
        print(f"Hand value: {player_hand.value}")

        if hide_dealer:
            card = dealer_cards[0]
            print("--Dealer Cards:--")
            print(str(card))
            print("XXXX\n")
        else:
            print("--Dealer Cards:--")
            for card in dealer_cards:
                print(str(card))
            print(f"Hand value: {dealer_hand.value}\n")

    def show_player_cards(self) -> None:
        """Displays the players hand"""
        player_cards = self.player.hand.cards
        player_hand = self.player.hand

        print("--Player Cards:--")
        for card in player_cards:
            print(str(card))
        print(f"Hand value: {player_hand.value}")

    def play_round(self) -> None:
        """Logic of a game round"""

        # Simplify value calls:

        deck = self.deck

        player = self.player
        dealer = self.dealer

        # beginning of a round, shuffle deck and deal cards

        deck.shuffle()

        player.hand.add_card(deck.deal_card())
        player.hand.add_card(deck.deal_card())
        dealer.hand.add_card(deck.deal_card())
        dealer.hand.add_card(deck.deal_card())

        self.show_cards(hide_dealer=True)
        player_turn = True
        while player_turn:
            if input("Do you want another card? [y] ") == "y":
                player.hit(deck)
                self.show_player_cards()
            else:
                print("\n")
                player.stand()
                player_turn = False

        # self.show_cards()
        dealer.play(deck)
        self.show_cards()

        print(self.compare_hands(0))
        player.hand.clear_hand()
        dealer.hand.clear_hand()