"""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()
    print(players)
    drop_cards(players_with_cards)
    while switch:
        round(card_stack, players_with_cards, players, active)

        for i in range(len(players)): # check if any card deck is empty
            switch = bool(players_with_cards[i]['cards_on_hand'])

        for i in itertools.cycle(range(len(players))): # rotate active player
            active = i
    #the_winner_is()


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
    :return: None
    '''

    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 = 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, players_with_cards, player_request)
            drop_cards(players_with_cards, active)

        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())

            switch = False


def steal(active, chosen_player, players_with_cards, player_request):
    """
    defines how the active players steals cards from chosen player
    :return: None
    """

    players_with_cards[active]['cards_on_hand'].append(
        players_with_cards[chosen_player]['cards_on_hand'].pop(player_request))

def drop_cards(players_with_cards, active = None):
    """
    function that lets players drop cards
    if they have a quartet in their deck
    :return: None
    """

    #default, check all players
    if active is None:
        for p in players_with cards:
            drop_cards_help(p)

    else:
         p = players_with_cards[active]
         drop_cards_help(p)
        
def drop_cards_help(players_with_cards,p):
    """
    eh
    """
    reference = ['a','b','c','d','e','f','g','h']
    counter = [0, 0, 0, 0, 0, 0, 0, 0]

        for card in p["cards_on_hand"]:
            counter[reference.index(card["letter"])] += 1

            for i in counter:
                if i == 4:
                    quartet_letter = reference[index(i)]
                    for card in p["cards_on_hand"]:
                       if card["letter"] == quartet_letter:
                           del card

def initialize():
    """
    initializes stuff
    :return: list, list (of dicts), list
    """

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

    # define card stack
    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

    # determine number of players
    number_of_players = clean_input.io_int("Gegen wie viele Spieler wollen Sie spielen?")
    number_of_players += 1  # Add also human player.

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

    # determine number of cards per player
    if len(players) == 2:
        cards_per_player = 10
    else:
        cards_per_player = int(len(card_stack) // len(players))

    # distribute hand cards to players
    for i in range(number_of_players):   
        cards_of_player = []  
        for j in range(cards_per_player):  
            x = random.randint(0, len(card_stack) - 1)  
            selected_card = card_stack[x]
            del card_stack[x]  
            cards_of_player.append(selected_card)

        # create a list that contains every player, their deck and successes
        players_with_cards.append({"player": players[i], "cards_on_hand": cards_of_player, "quartet": 0})

    return card_stack, players_with_cards, players

#def the_winner_is():
    """
    counts the number of quartets
    a player has made, and chooses the
    winner, who made the most
    """
    #TODO

# Call central_function() only if quartett.py is the main module
if __name__ == "__main__":
    central_function()

'''
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'}],
    'quartet': 0
    },
...]'''