import sys, sudoku
from sideBySide import sideBySide

def test5 () :
    game = sudoku.Game(sys.argv[1])
    explore(game)

def explore (game) :
    before = game.display()
    while game.iterate() : pass
    after = game.display()
    if not game.valid() :
        print("\n        Before                    After   (Invalid)")
        print(sideBySide([before,after]))
        bad = [cell for cell in game.cells if cell.error > ""]
        print("%s %s" % (bad[0], bad[0].error))
        return
    elif game.finished() :
        print("\n        Before                    After   (Finished)")
        print(sideBySide([before,after]))
        return
    else : 
        print("Partial game must be split")
        kids = game.split()
        displays = [kid.display() for kid in kids]
        print("\n        Before                    After   (Splits into .... )")
        print(sideBySide([after]+displays))
        poss = 0
        for kid in kids :
            poss += 1
            print("\nExploring split possibility %s" % poss)
            explore(kid)

if __name__ == "__main__" : test5()