import random


class Board:
    ''' This class automatically handles the reshuffling of different deck/heap
    of cards '''

    def __init__(self):
        # List of tuples:
        # (card_id, card_desc)
        self.white_pick = list()
        self.black_pick = list()
        self.white_recycled = list()
        self.black_recycled = list()

        self.current_black_card = None

        # List of tuples:
        # ((card_id, card_desc), player)
        self.played_cards = list()

    def reveal_next_black_card(self):
        if self.current_black_card is not None:
            self.black_recycled.append(self.current_black_card)
            self.current_black_card = None

        if not self.black_pick:
            # If we have no more cards in the deck, we need to reform one using
            # the cards that have been recycled.
            random.shuffle(self.black_recycled)

            self.black_pick, self.black_recycled = self.black_recycled, list()

        self.current_black_card = self.black_pick.pop()

    def pick_white_card(self):
        if not self.white_pick:
            # If we have no more cards in the deck, we need to reform one using
            # the cards that have been recycled.
            random.shuffle(self.white_recycled)

            self.white_pick, self.white_recycled = self.white_recycled, list()

        return self.white_pick.pop()

    def play_card(self, player, card):
        self.played_cards.append((card, player))

    def shuffle_played_cards(self):
        random.shuffle(self.played_cards)

    def recycle_played_cards(self):
        self.white_recycled += [i[0] for i in self.played_cards]

        self.played_cards = []