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

class lurk_demo_frame(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.output_editor = Text(self.textwindow)
        self.output_editor.config(font=('Monospace', 14))
        self.output_editor.pack(fill='both', expand=1)
        self.entry_editor = Text(self.textwindow)
        self.entry_editor.config(font=('Monospace', 14))
        self.entry_editor.pack(fill='both', expand=1)

        self.connect_button = Button(self.controls, text="Connect", command=self.connect )
        self.connect_button.pack()
        self.character_button = Button(self.controls, text="Send Character", command=self.character)
        self.character_button.pack()

    def connect(self):
        hostname, port = self.entry_editor.get(1.0, "end").split()
        self.output_editor.insert("end", "Connection to server:  " + hostname + " port " + port + "\n")
        self.skt = socket(AF_INET, SOCK_STREAM)
        self.skt.connect((hostname, int(port))) # if port isn't an integer, this probably crashes
        version = self.skt.recv(5)
        version_format = "<BBBH"
        vtype, major, minor, extlen = unpack_from(version_format, version)
        if(vtype == 14):
            self.output_editor.insert("end", "Connected to server version " + str(major) + "." + str(minor) + "\n")
        else:
            self.output_editor.insert("end", "Server did not send version, giving up\n");
            return
        game_header = self.skt.recv(7)
        gtype, self.ip, sl, dl = unpack_from("<BHHH", game_header);
        game_description = self.skt.recv(dl, MSG_WAITALL) # This is a bad idea, but will work for this simple demo for now
        self.output_editor.insert("end", game_description)
        self.output_editor.insert("end", "\n")
        
    def character(self):
        # It'd be nice to use a dialog
        description = "A test player from the python demo"
        cformat = "<B32sBHHHhHHH" + str(len(description)) + "s"
        print(cformat)
        tosend = pack(cformat, 10, "Test Player".encode("utf-8"), 0xB8, int(self.ip/3), int(self.ip/3), int(self.ip/3), 0, 0, 0, len(description), description.encode("utf-8"))
        self.skt.send(tosend)
        print(tosend)

root = Tk()
w,h = root.winfo_screenwidth(), root.winfo_screenheight()
w = 800
h = 800
root.geometry("%dx%d+0+0" % (w,h))
root.title("LURK Python Demo")
ldf = lurk_demo_frame(root)
root.mainloop()