from Tkinter import *
import threading
from bluetooth import *

class GUI():
    def __init__(self):
        PAD_Y = 5
        PAD_X = 5
        self.bToggle = True
        self.window = Tk()
        self.window.title("Check Pi Status")
        self.window.protocol("WM_DELETE_WINDOW", self.endApplication)
        self.lToggle = Label(self.window, text="True", bg="dark turquoise", fg="black")
        self.lToggle.grid(row=0, column=0, padx=PAD_X, pady=PAD_Y, sticky=N + S + E + W)
        self.btnToggle = Button(self.window, text="Toggle", command=self.tapToggle, state='normal')
        self.btnToggle.grid(row=1, column=0, padx=PAD_X, pady=PAD_Y, sticky=N + S + E + W)
        self.ldummy = Label(self.window, text='')
        self.ldummy.grid(row=2, column=0)
        self.lCountdown = Label(self.window, text='Countdown = 0', bg="blue", fg="white")
        self.lCountdown.grid(row=3, column=0, padx=PAD_X, pady=PAD_Y, sticky=N + S + E + W)
        self.bKillThread = False
        self.read_counter()
        self.window.mainloop()

    def read_counter(self):
        global s1
        try:
            s1.send('Are you alive?')
            rec_data = s1.recv(1024)
            data = rec_data.decode('utf-8')
            print('Received', data)
            if data:
                self.lToggle.configure(text="ONLINE", bg="green", fg="white")
            self.window.after(1000, self.read_counter)
        except:
            self.lToggle.configure(text="OFFLINE", bg="red", fg="white")


    def tapToggle(self):
        self.bToggle = not self.bToggle
        if self.bToggle:
            self.lToggle.configure(text="True", bg="dark turquoise", fg="black")
        else:
            self.lToggle.configure(text="False", bg="red", fg="white")

    def endApplication(self):
        self.bKillThread = True
        self.window.quit()


#HOST1 = "00:15:83:E5:0D:4F"  # bd_address of the slave
HOST1 = "00:15:83:E5:10:C6"
PORT1 = 1  # Slave port

s1 = BluetoothSocket(RFCOMM)
s1.connect((HOST1, PORT1))

app = GUI()