fifteen

# Dora Jambor, dorajambor@gmail.com
# January, 2016
# Implementation of the game fifteen in Python

import time, pdb
from Tkinter import *

# ---------- parameters ----------
# Dimensions
min_dim = 3
max_dim = 9

# Board elements
d = 0
board = []
counter = 0

# Location of blank space
blankx = 0
blanky = 0

# ---------- functions ----------
def greet():
    print 'This is the Game of Fifteen!'

def dim():
    global min_dim, max_dim, d
    d = int(raw_input('Insert the dimension of the board: '))
    while True:
        if d >=min_dim and d <= max_dim:
            break
        d = int(raw_input('Try again: '))
    return d

# Initialize the board
'''
This fills up the two-dimensional board[][] list with numbers ascending
from the inputted dimension to 1
'''
def setup():
    numbers = d * d - 1
    global board, blankx, blanky, game_running
    blankx = d - 1
    blanky = d - 1
    board = []

    # Fill board with stringvars
    var_text = StringVar()
    for i in range(d):
        row = []
        for j in range(d):
            row.append(var_text.get())
            var_text.set(numbers)
            numbers -= 1
            if numbers == 0:
                var_text.set(' ')
        board.append(row)

    for j, row in enumerate(board):
        buttons_row = []
        for i, string_var in enumerate(row):
            b = tk.Label(root, textvariable=string_var)
            b.grid(row=j, column=i)
            buttons_row.append(b)
        buttons.append(buttons_row)


# Play the game
'''
A function called by Tkinter that allows the user to interact with the game board
and play the game by moving the tiles.
'''
def play(i,j):
    global blankx, blanky, game_running
    if game_running:
        if (blankx, blanky) in [(i+1,j),(i-1,j),(i,j+1),(i,j-1)]:
            board[blanky][blankx] = board[j][i]
            board[j][i] = ' '
            buttons[blanky][blankx]['text'] = buttons[j][i]['text']
            buttons[j][i]['text'] = '   '
            blanky = j
            blankx = i

            if won():
                # lable is now visible
                label.lift()
                game_running = False
    else:
        setup()
        game_running = True
        # label is now invisible
        label.lower()

def won():
    number = 0

    for j, row in enumerate(board):
        for i, char in enumerate(row,1):
            number += 1
            if number == d * d and char == ' ':
                return True
            elif str(char) != str(number):
                return False
    return True


# ---------- main ----------
root = Tk()
root.config(bg = 'black', borderwidth=4)
root.wm_title("Game of Fifteen")

# Frame for the board game
frame = Frame(root)
frame.config(bg='black')
frame.grid(row=0, column=0)

# label for winning
label = Button(root, text="You won!", fg="pink",font=("Helvetica",15), comman=setup)
label.config(bg='black')
label.grid(row=0, column=0, ipadx=5, ipady=5)


greet()
d = dim()
init()
buttons = []

for j, row in enumerate(board):
    buttons_row = []
    for i, char in enumerate(row):
        v = StringVar()
        v = board[j][i]
        b = Label(frame, textvariable=v, bg='pink', font=("Helvetica", 30))
        if board[j][i]== d * d:
            b = Label(frame, textvariable = '   ', bg='pink',font=("Helvetica", 30))
        b.grid(row=j, column=i,sticky="nsew", padx=4, pady=4)
        b.bind('<Button-1>',lambda e, i=i,j=j:play(i,j))
        buttons_row.append(b)
    buttons.append(buttons_row)

setup()    # start over
game_running = True
root.mainloop()    # start engine