game_engine.py

"""
module to implement engine based functions
"""

import time
import util
from color import *
from cards import Card, Rank

if __name__ == "__main__":
    print(f"{RED}Please start the game by running the main.py file{RESET}")


def buy_in():
    print(f"{BLACK_BACKGROUND}Buy-In{RESET}")
    return util.scan_chips("How much are you buying in?\n")


def calculate_hand_total(cards):
    ace_card = Card(rank=Rank.ACE, suit=None)
    non_aces = [card for card in cards if card != ace_card]
    aces = [card for card in cards if card == ace_card]

    base_sum = sum(c.rank.values[0] for c in non_aces)

    all_totals = []

    def try_combinations(index=0, current_sum=0):
        if index == len(aces):
            all_totals.append(base_sum + current_sum)
            return

        # try this Ace as 1
        try_combinations(index + 1, current_sum + 1)
        # try this Ace as 11
        try_combinations(index + 1, current_sum + 11)

    try_combinations()

    valid_totals = [t for t in all_totals if t <= 21]
    return max(valid_totals) if valid_totals else min(all_totals)


def print_the_board(game, sleep_amount=0.0):
    """
    printing the player and the dealers cards:
    """
    util.clear_screen()

    print(f"{RED}DEALER{RESET}")
    for i in game.dealer_cards:
        print(i, end="\t")

    print(f"\n\n\n{GREEN}{game.bet_amount}${RESET}")

    print(f"\n\n{BLUE}PLAYER(YOU){RESET}")
    for i in game.player_cards:
        print(i, end="\t")

    print("\n\n\n.::::::::::::::::::::::::::::::::::::::::::::.\n")
    time.sleep(sleep_amount)


def is_blackjack(game):
    return calculate_hand_total(game.player_cards) == 21


def handle_blackjack(game):
    print(f"{GREEN}BLACKJACK! You win 3:2!{RESET}\n")
    winnings = int(game.bet_amount * 1.5)
    game.chips += game.bet_amount + winnings  # return bet + 3:2

    util.ask_to_play_again(game)


def evaluate_game_result(player_total, dealer_total):
    if dealer_total > 21:
        return "player_win"
    if player_total > dealer_total:
        return "player_win"
    elif player_total == dealer_total:
        return "draw"
    else:
        return "dealer_win"


def dealer_has_soft_17(dealer_cards):
    ace_card = Card(rank=Rank.ACE, suit=None)
    six_card = Card(rank=Rank.SIX, suit=None)

    return (
        (len(dealer_cards) == 2)
        and (ace_card in dealer_cards)
        and (six_card in dealer_cards)
    )