#!/usr/bin/python3
from tkinter import *
from socket import *
#from threading import Thread
from _thread import start_new_thread
from struct import unpack_from

class FFUI(Frame):
    def __init__(self, master):
        Frame.__init__(self, master)
        self.pack(fill='both', expand=1)
        self.textwindow = Frame(self)
        self.controls = Frame(self)

        self.controls.pack(side=RIGHT)
        self.textwindow.pack(side=LEFT, fill='both', expand=1)
        self.editor = Text(self.textwindow)
        self.editor.pack(fill='both', expand=1)
        
        self.something_button = Button(self.controls, text="Connect", command=self.connect)
        self.something_button.pack()
        Button(self.controls, text="Change other button", command=self.change_text).pack()

    def connect(self):
        # TODO:  Get this from the user
        self.skt = socket(AF_INET, SOCK_STREAM)
        self.skt.connect(("isoptera.lcsc.edu", 5014))
        # TODO:  Did it work?
        # self.read_thread_handle = Thread(target=self.read_thread_method, args=[])
        # self.read_thread_handle.run()
        start_new_thread(self.read_thread_method, ())
        print("Started thread")

    def change_text(self):
        self.something_button.configure(text = "moose")

    def read_thread_method(self):
        print("Thread is running");
        while True:
            next_type = unpack_from("<B", self.skt.recv(1))[0]
            if(next_type == 14): # version
                rest_of_version = self.skt.recv(4)
                version_format = "<BBH"
                major, minor, elen = unpack_from(version_format, rest_of_version)
                self.editor.insert(END, "Connected to server version " + str(major) + "." + str(minor) + "\n")

root = Tk()
w,h = root.winfo_screenwidth(), root.winfo_screenheight()
root.geometry("%dx%d+0+0" % (400, 400))
root.title("Tkinter Demo")
ffui = FFUI(root)
root.mainloop()