from tkinter import *
import pickle, time

WINDOW_WIDTH, WINDOW_HEIGHT = 600, 350
GEOMETRY_STRING = str(WINDOW_WIDTH)+'x'+str(WINDOW_HEIGHT)

class Sudoku(Frame):

    #Initialization of the Frame and attributes / empty lists that will
    #be needed
    def __init__(self, master = None):
        Frame.__init__(self, master)
        self.grid()
        self.create_grid()
        self.entry_list = []
        self.integer_read = []
        self.final_list = []
        self.check_list = []
        self.nums_list = []
        self.read_file()
        self.insertion()
        self.convert_nums()
        #self.check_conf()
        self.check_ans()

    #Pre:
    #Post:
    def create_grid(self):
        self.nums = {}
        self.height, self.width  = 9, 9
        counter = 0
        text = StringVar()
        bd = 0
        for row in range(self.height):
            bd = 12
            for column in range(self.width):
                bd = 10
                self.nums[counter] = Entry(self,
                                           width = 5)
                self.nums[counter].config(bg = 'black',
                                          font = '12',
                                          bd = bd,
                                          disabledforeground = 'green',
                                          fg = 'yellow',
                                          justify = CENTER,
                                          relief = RAISED)

                self.nums[counter].grid(row = row, column = column)
                counter += 1

    #Pre: Needs to be given a file containting integers for the sudoku
    #puzzle
    #Post: Breaks the files lines up into 2D lists of integers for every
    #integer in the current string on the line
    def read_file(self):
        file = "assignment1test.txt"
        read = open(file, "r").readlines()

        #Removes \n for just integers in the string
        for element in read:
            self.integer_read.append(element[0:-1])

        #Takes every integer in the string of the subsequent elements
        #and creates a list inside final_list containing these integers
        for element in self.integer_read:
            new_list = []
            for i in range(len(element)):
                self.final_list.append(element[i])
                new_list.append(element[i])
                if i == len(element) - 1:
                    self.check_list.append(new_list)

        print(self.final_list)
        print(self.check_list)
    #Pre: None
    #Post: Takes the initial seed values in the list of self.final_list
    #create in the read_file function and places them on our Sudoku grid
    def insertion(self):

        for i in range(len(self.final_list)):
            if int(self.final_list[i]) != 0:
                self.nums[i].insert(0, int(self.final_list[i]))

    #Pre: None
    #Post: Checks the grid for any conflicts in solving the Sudoku puzzle
    #that the user might create while trying to solve it

    def convert_nums(self):
        index = 0
        for i in range(9):
            self.nums_list.append([])
        for i in range(len(self.nums)):
            if i <= 9:
                self.nums_list[0].append(self.nums[i])
            if 9 <= i < 19:
                self.nums_list[1].append(self.nums[i])
            if 18 <= i < 28:
                self.nums_list[2].append(self.nums[i])
            if 27 <= i < 37:
                self.nums_list[3].append(self.nums[i])
            if 36 <= i < 46:
                self.nums_list[4].append(self.nums[i])
            if 45 <= i < 55:
                self.nums_list[5].append(self.nums[i])
            if 54 <= i < 64:
                self.nums_list[6].append(self.nums[i])
            if 63 <= i < 73:
                self.nums_list[7].append(self.nums[i])
            if 72 <= i < 82:
                self.nums_list[8].append(self.nums[i])

    def check_conf(self):
        for r in range(0, self.height, 1):
            for c in range(0, 9, 1):
                if self.nums_list[r][c].get().isdigit():
                    if int(self.nums_list[r][c].get()) == int(self.check_list[r][c]):
                        self.nums_list[r][c].config(background = 'red')

    def check_ans(self):
        pass


root = Tk()
root.geometry(GEOMETRY_STRING)
# root.bind("<Key-S>", save_pickle)
# root.bind("<Key-L>", load_pickle)
app = Sudoku()

app.master.title('Sudoku')
app.pack()
while True:
    app.check_conf()
    time.sleep(0.25)
    app.update()
app.mainloop()