from random import shuffle
import os


def shuffled_shoe():
    shoe = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'A', 'J', 'Q', 'K']*4
    shuffle(shoe)
    return shoe


def deal_card(shoe, person, number):
    for _ in range(number):
        person.append(shoe.pop())


def deal_hand(shoe, player, dealer):
    deal_card(shoe, player, 2)
    deal_card(shoe, dealer, 2)


def score(person):
    non_aces = [c for c in person if c != 'A']
    aces = [c for c in person if c == 'A']
    total = 0
    for card in non_aces:
        if card in 'JQK':
            total += 10
        else:
            total += int(card)
    for card in aces:
        if total <= 10:
            total += 11
        else:
            total += 1
    return total


def display_info(player, dealer, player_stands):
    os.system('cls' if os.name == 'nt' else 'clear')
    print("Your cards [{}] ({})".format("][".join(player), score(player)))
    if player_stands:
        print("Dealer cards: [{}] ({})".format("][".join(dealer), score(dealer)))
    else:
        print(f"Dealer cards: [{dealer[0]}] [?]")


def hit_or_stand():
    while True:
        print("What do you choose?")
        print("[1] Hit")
        print("[2] Stand")
        ans = input("> ")
        if ans in '12':
            return ans


# ------------BUG-ZONE-------------


def player_play(shoe, player, dealer, player_stands, player_plays, dealer_plays):
    while not player_stands:
        if hit_or_stand() == '2':
            player_plays = False
            player_stands = True
            dealer_plays = True
            display_info(player, dealer, player_stands)
        elif not player_stands:
            deal_card(shoe, player, 1)
            display_info(player, dealer, player_stands)
            still_playing = (False if score(player) > 21 else True)
            results(player, dealer, player_stands, still_playing)
    return (player_stands, player_plays, dealer_plays)


def dealer_play(shoe, dealer):
    while score(dealer) <= 16:
        deal_card(shoe, dealer, 1)
    return False


def results(player, dealer, player_stands, still_playing):
    if score(player) == 21:
        print("Blackjack! You won")
        still_playing = False
    elif score(player) > 21:
        print("Busted! You lost!")
        still_playing = False
    elif player_stands:
        if score(dealer) > 21:
            print("Dealer busted! You won")
        elif score(player) > score(dealer):
            print("You beat the dealer! You won!")
        elif score(player) < score(dealer):
            print("Dealer has beaten you. You lost!")
        else:
            print("Push. Nobody wins or losses.")
        still_playing = False
    return still_playing


def main():
    shoe = shuffled_shoe()
    player = []
    dealer = []
    player_plays = True
    still_playing = True
    player_stands = False
    dealer_plays = False
    deal_hand(shoe, player, dealer)
    while still_playing:
        display_info(player, dealer, player_stands)
        still_playing = results(player, dealer, player_stands, still_playing)
        while player_plays:
            (player_stands, player_plays, dealer_plays) = player_play(shoe, player, dealer, player_stands, player_plays, dealer_plays)
        while dealer_plays:
            dealer_plays = dealer_play(shoe, dealer)
        still_playing = results(player, dealer, player_stands, still_playing)


if __name__ == '__main__':
    main()