"""main module"""

__author__ = ""
__credits__ = ""
__email__ = ""

import random
import clean_input
import itertools


# Game

def central_function():
    ''' does everything, keeps order'''

    active = 0  # contains index of the active player

    card_stack, players_with_cards, players = initialize()
    while deckP1 and deckP2 and deckP3 not empty:
        round(card_stack, players_with_cards, players, active)
        for i in itertools.cycle(range(len(players))):
            active = i


def round(card_stack, players_with_cards, players,active):
    '''structures one round in the game
    active player chooses another player from whom to steal a card'''
    
    switch = True

    while switch: 
        players_without_active = players
        players_without_active.remove(active)
        print('Folgende Spieler stehen zur Verfügung:')
        print(players_without_active)
        # needs clean.io, chosen_player enthält den index in der players liste
        chosen_player = players.clean_input.io_str('Welchen Spieler möchtest du befragen?', players_without_active))
        player_request = clean_input.io_card_selection('Welche Karte möchtest du haben?')

        if player_request in players_with_cards[chosen_player]['cards_on_hand']:
            steal(active, chosen_player)
        else:
            # end of round
            # except if stack is not empty, which is only the case with two players
            if card_stack == True:
                # last card from the stack gets added to active player's hand
                players_with_cards[active]['cards_on_hand'].append(card_stack.pop())
                break
            switch = False


def steal(P1, P2):
    """defines how the active players steals cards from chosen player """
    players_with_cards[active].['cards_on_hand'].append(players_with_cards[chosen_player]['cards_on_hand'].pop(player_request))

def initialize():
    """
    initializes stuff
    :return:
    """

    card_stack = []
    players = []
    players_with_cards = []

    x = 0
    for i in range(4):
        for l in "abcdefgh":
            d = {"id": str(x), "number": str(i), "letter": l}
            card_stack.append(d)
            x += 1

    number_of_players = clean_input.io_int("Mit wie vielen Spielern wollen Sie spielen?")
    number_of_players += 1  # Add also human player.

    for i in range(number_of_players):
        players.append(f"player{i}")

    if len(players) == 2:
        cards_per_player = 10
    else:
        cards_per_player = int(len(card_stack) // len(players))

    for i in range(number_of_players):  # Select cards for x players
        cards_of_player = []  # Player deck
        for j in range(cards_per_player):  # Select ten cards
            x = random.randint(0, len(card_stack) - 1)  # Select one random card
            selected_card = card_stack[x]
            del card_stack[x]  # Remove card from main card deck.
            cards_of_player.append(selected_card)

        # Add list of dicts (cards) to players
        players_with_cards.append({"player": players[i], "cards_on_hand": cards_of_player})


    return card_stack, players_with_cards, players

'''
players_with_cards = [
    {'player': 'player0', 'cards_on_hand': [{'id': 13, 'number': 1, 'letter': 'f'},
                                         {'id': 26, 'number': 3, 'letter': 'c'},
                                         {'id': 22, 'number': 2, 'letter': 'g'},
                                         {'id': 10, 'number': 1, 'letter': 'c'},
                                         {'id': 19, 'number': 2, 'letter': 'd'},
                                         {'id': 31, 'number': 3, 'letter': 'h'},
                                         {'id': 6, 'number': 0, 'letter': 'g'},
                                         {'id': 9, 'number': 1, 'letter': 'b'},
                                         {'id': 5, 'number': 0, 'letter': 'f'},
                                         {'id': 15, 'number': 1, 'letter': 'h'}]
    },
...]'''