main.py

from kivy.app import App
from kivy.properties import BooleanProperty, ListProperty

from functools import reduce
from operator import xor

__app_package__ = 'edu.unl.cse.soft161.nim'
__app__ = 'Nim'
__version__ = '0.1'
__flags__ = ['--bootstrap=sdl2', '--requirements=python2,kivy', '--orientation=landscape']


class NimApp(App):
    heaps = ListProperty([3, 5, 7])
    take_enabled = ListProperty([True, True, True])
    next_enabled = BooleanProperty(True)

    def make_computer_move(self):
        nimber = reduce(xor, self.heaps, 0)
        for index, heap in enumerate(self.heaps):
            if nimber ^ heap < heap:
                self.heaps[index] = nimber ^ heap
                break
        else:
            self.heaps[self.heaps.index(max(self.heaps))] -= 1

    def reset(self):
        self.heaps = [3, 5, 7]
    
    def take(self, index):
        pass

    def next(self):
        pass


if __name__ == '__main__':
    nim = NimApp()
    nim.run()