import random
import time
from tkinter import Tk, Button, DISABLED, messagebox


def close_window(self):
    root.destroy()

def show_symbol(x, y):
    global first
    global previousX, previousY
    global moves
    global pairs
    buttons[x, y]['text'] = button_symbols[x, y]
    buttons[x, y].update_idletasks()
    if first:
        previousX = x
        previousY = y
        first = False
        moves = moves + 1
    elif previousX != x or previousY != y:
        if buttons[previousX, previousY]['text'] != buttons[x, y]['text']:
            time.sleep(0.5)
            buttons[previousX, previousY]['text'] = ''
            buttons[x, y]['text'] = ''
        else:
            buttons[previousX, previousY]['command'] = DISABLED
            buttons[x, y]['command'] = DISABLED
            pairs = pairs + 1
            if pairs == len(buttons) / 2:
                messagebox.showinfo('Matching', 'Number of moves: ' + str(moves))
        first = True





root = Tk()
root.title('Igra Memorije')
root.resizable(width=False, height=False)

buttons = {}
first = True
previousX = 0
previousY = 0
moves = 0
pairs = 0


button_symbols = {}
symbols = [u'\u2702', u'\u2702', u'\u2705', u'\u2705', u'\u2708', u'\u2708',
           u'\u2709', u'\u2709', u'\u270A', u'\u270A', u'\u270B', u'\u270B',
           u'\u270C', u'\u270C', u'\u270F', u'\u270F', u'\u2712', u'\u2712',
           u'\u2714', u'\u2714', u'\u2716', u'\u2716', u'\u2728', u'\u2728',
          ]

random.shuffle(symbols)


for x in range(6):
    for y in range(4):
        button = Button(command=lambda x=x, y=y: show_symbol(x, y), width=5, height=3, border=2)
        button.grid(column=x, row=y,padx=15,pady=20)
        buttons[x, y] = button
        button_symbols[x, y] = symbols.pop()


root.mainloop()