# Napisz funkcje, ktora wyswietla plansze
# Napisz funkcje, ktora wczyta ruchy graczy i wyswietli je na ekranie komputera
# Napisz funkcje, ktora po kazdym ruchu sprawdzi czy rozgrywka sie zakonczyla i wyswietli wynik
import random

board = ["-", "-", "-",
         "-", "-", "-",
         "-", "-", "-"]

game_is_not_over = True
current_player = "X"
winner = None
pos = None


def display_board():
    print(" -------------")
    print(" | " + board[0] + " | " + board[1] + " | " + board[2] + " | ")
    print(" | " + board[3] + " | " + board[4] + " | " + board[5] + " | ")
    print(" | " + board[6] + " | " + board[7] + " | " + board[8] + " | ")
    print(" -------------")

def choose_position(player):
    print("Ruch Gracza: ", player)
    position = input("Wybierz wolna pozycje 1-9: ")

    correct = False
    while not correct:

        while position not in ["1", "2", "3", "4", "5", "6", "7", "8", "9"]:
            position = input("Wybierz wolna pozycje 1-9: ")

        position = int(position) - 1

        if board[position] == "-":
            correct = True
        else:
            print("Wybrana pozycja jest juz zajeta")

    board[position] = player
    display_board()

def play_ai():
    display_board()

    while game_is_not_over:
        choose_position_ai(current_player)

        end_of_the_game()
        player_change()

    if winner == "X" or winner == "O":
        print(winner, " wygrywa.")
    elif winner == None:
        print("Remis.")

def play():
    display_board()

    while game_is_not_over:
        choose_position(current_player)

        end_of_the_game()
        player_change()

    if winner == "X" or winner == "O":
        print(winner, " wygrywa.")
    elif winner == None:
        print("Remis.")


# Plan dzialania:
# 1. Wyswietl tablice
# 2. Pozwol graczowi 1 wybrac pole 1-9
# 3. Sprawdz czy to pole nie jest juz zajete
# 4. Sprawdz czy nastapila wygrana/remis
# 5. Zmien gracza
# 6. ... i tak do skutku

# Wybierz pole

def choose_position_ai(player):
    print("Ruch Gracza: ", player)
    if player == "O":

        correct = False
        while not correct:
            position = random.randint(0, 8)
            print(random.randint(0, 8))
            position = int(position)

            if board[position] == "-":
                correct = True
            else:
                print("Wybrana pozycja jest juz zajeta")

        board[position] = player
        display_board()
    elif player == "X":
        position = input("Wybierz wolna pozycje 1-9: ")

        correct = False
        while not correct:

            while position not in ["1", "2", "3", "4", "5", "6", "7", "8", "9"]:
                position = input("Wybierz wolna pozycje 1-9: ")

            position = int(position) - 1

            if board[position] == "-":
                correct = True
            else:
                print("Wybrana pozycja jest juz zajeta")

        board[position] = player
        display_board()





# Zmien gracza

def player_change():
    global current_player
    if current_player == "X":
        current_player = "O"
    elif current_player == "O":
        current_player = "X"


def end_of_the_game():
    check_winner()
    check_tie()


def check_columns():
    global game_is_not_over

    column_1 = board[0] == board[3] == board[6] != "-"
    column_2 = board[1] == board[4] == board[7] != "-"
    column_3 = board[2] == board[5] == board[8] != "-"

    if column_1 or column_2 or column_3:
        game_is_not_over = False

    if column_1:
        return board[0]
    elif column_2:
        return board[1]
    elif column_3:
        return board[2]
    else:
        return None


def check_rows():
    global game_is_not_over

    row_1 = board[0] == board[1] == board[2] != "-"
    row_2 = board[3] == board[4] == board[5] != "-"
    row_3 = board[6] == board[7] == board[8] != "-"

    if row_1 or row_2 or row_3:
        game_is_not_over = False

    if row_1:
        return board[0]
    elif row_2:
        return board[3]
    elif row_3:
        return board[6]
    else:
        return None


def check_diagonals():
    global game_is_not_over

    diagonal_1 = board[0] == board[4] == board[8] != "-"
    diagonal_2 = board[2] == board[4] == board[6] != "-"

    if diagonal_1 or diagonal_2:
        game_is_not_over = False

    if diagonal_1:
        return board[0]
    elif diagonal_2:
        return board[2]
    else:
        return None


def check_winner():
    global winner

    column_winner = check_columns()
    row_winner = check_rows()
    diagonal_winner = check_diagonals()

    if column_winner:
        winner = column_winner
    elif row_winner:
        winner = row_winner
    elif diagonal_winner:
        winner = diagonal_winner
    else:
        winner = None


def check_tie():
    global game_is_not_over

    if "-" not in board:
        game_is_not_over = False
        return True
    else:
        return False

def losuj():
    x = random.randint(0,9)
    return x

def menu():
    print("Wybierz tryb gry: ")
    print("1. Gra dwuosobowa")
    print("2. Gra przeciwko komputerowi")
    wybor = input()
    wybor = int(wybor)
    decision = False
    while not decision:
        if wybor == 1:
            play()
            decision = True
        elif wybor == 2:
            play_ai()
            decision = True
        else:
            print("Dokonano niewlasciwego wyboru. Sprobuj ponownie")
            wybor = input()
            wybor = int(wybor)



menu()