import network
import tkinter as tk
from tkinter import ttk, filedialog, colorchooser
import sys

listen_addr = ("0.0.0.0", int(sys.argv[1]))
send_addr = ("192.168.1.255", int(sys.argv[2]))

sock = network.Sock()
waiting_for_text = True

root = tk.Tk()

def foo():
	print("foo")

root.option_add('*tearOff', False)
menubar = tk.Menu(root)
root['menu'] = menubar
menu_file = tk.Menu(menubar)
menu_edit = tk.Menu(menubar)
menubar.add_cascade(menu=menu_file, label='File')
menubar.add_cascade(menu=menu_edit, label='Edit')
menu_file.add_command(label='New', command=foo)

area = tk.Text(root)
area.grid(column=0, row=1, sticky=(tk.N, tk.S, tk.E, tk.W))

area_scrolly = ttk.Scrollbar(root, orient=tk.VERTICAL, command=area.yview)
area_scrolly.grid(column=1, row=1, sticky=(tk.N, tk.S, tk.E, tk.W))
area.configure(yscrollcommand=area_scrolly.set)

canvas = tk.Canvas(root, background='white')
canvas.grid(column=2, row=1, sticky=(tk.N, tk.S, tk.E, tk.W))

canvas_last_x = 0
canvas_last_y = 0

def canvas_save_pos(event):
	global canvas_last_x, canvas_last_y
	canvas_last_x = event.x
	canvas_last_y = event.y

def canvas_move(event):
	canvas.create_line(canvas_last_x, canvas_last_y, event.x, event.y)
	sock.send({"type":"create_line", "x1":canvas_last_x, "y1":canvas_last_y, "x2":event.x, "y2":event.y}, send_addr)
	canvas_save_pos(event)

def canvas_click(event):
	print(colorchooser.askcolor(initialcolor='black'))

canvas.bind("<Button-1>", canvas_save_pos)
canvas.bind("<B1-Motion>", canvas_move)
canvas.bind("<Button-3>", canvas_click)

root.rowconfigure(1, weight=1)
root.columnconfigure(0, weight=1)
root.columnconfigure(2, weight=1)

def on_save_bt():
	path = tk.filedialog.asksaveasfilename(filetypes=[("Fichier texte", ".txt")])
	file = open(path, "w")
	file.write(area.get("1.0", "end"))

toolbar = ttk.Frame(root)
toolbar.grid(column=0, row=0, columnspan=2, sticky=(tk.N, tk.S, tk.E, tk.W))

save_bt = ttk.Button(toolbar, text="Enregistrer", command=on_save_bt)
save_bt.grid(column=0, row=0, sticky=(tk.W))

open_bt = ttk.Button(toolbar, text="Ouvrir")
open_bt.grid(column=1, row=0, sticky=(tk.W))

def diff(old, new):
	index = 0
	line = 1
	char = 0
	for i in range(min(len(old), len(new))):
		if old[i] != new[i]:
			return {
				"type": "replace",
				"start": str(line)+"."+str(char),
				"end": 0,
				"text": new[i:i+abs(len(old)-len(new))]
			}
		char += 1
		if old[i] == "\n":
			line += 1
			char = 0
	
	return {
		"type": "insert",
		"start": "end",
		"text": new[i:i+abs(len(old)-len(new))]
	}

def on_area_input(event):
	#print(area.get("1.0", "end"))
	print(event)
	#sock.send({"type":"insert", "start":"1.0", "text":area.get("1.0", "end")}, send_addr)
	sock.send({"type":"replace", "start":"1.0", "end":"end", "text":area.get("1.0", "end")}, send_addr)
	
	#if event.keycode == 25:
	#	area.mark_set("insert", "1.0")

area.bind("<KeyRelease>", on_area_input)
area.bind("<B3-Motion>", on_area_input)

def on_request(r):
	global waiting_for_text
	print(r)
	c, a = r
	if c["type"] == "set":
		if waiting_for_text:
			area.replace("1.0", "end", c["text"])
			waiting_for_text = False
	elif c["type"] == "insert":
		area.insert(c["start"], c["text"])
	elif c["type"] == "replace":
		area.replace(c["start"], c["end"], c["text"])
	elif c["type"] == "get":
		sock.send({"type":"set", "text":area.get("1.0", "end")}, send_addr)
	elif c["type"] == "create_line":
		canvas.create_line(c["x1"], c["y1"], c["x2"], c["y2"])

sock.listen(listen_addr, on_request)

sock.send({"type":"get"}, send_addr)

root.mainloop()