extends Panel

# Really simple UDP chat client, not intended as a chat example!!
# (UDP can lose packets and you won't normally find out, so don't do a chat this way)
# This is just a demo that shows how to use the UDP class.

var udp = PacketPeerUDP.new()

func _process(delta):

	if (not udp.is_listening()):
		return
		
	while(udp.get_available_packet_count()>0):
		var packet = udp.get_var()
		if (typeof(packet)==TYPE_STRING):
				var host = udp.get_packet_ip()
				var port = udp.get_packet_port()
				get_node("chat/text").add_text("("+host+":"+str(port)+":) "+packet)
				get_node("chat/text").newline()
					
			

func _ready():
	# Initalization here
	get_node("chat").add_style_override("panel",get_stylebox("bg","Tree"))	
	set_process(true)



func send_message(text):
	if (udp.is_listening()):
		udp.put_var(text)
	

func _on_connect_toggled( pressed ):


	if (pressed):
		var err = udp.listen( get_node("listen_port").get_val() )
		if (err!=OK):
			get_node("status").set_text("Error:\nCan't Listen.")
			get_node("connect").set_pressed(false)
		else:
			get_node("status").set_text("Connected.")
			get_node("connect").set_text("Disconnect")
			err = udp.set_send_address(get_node("remote_host").get_text(),get_node("remote_port").get_val())
			if (err!=OK):
				get_node("status").set_text("Error:\nCan't Resolve.")
				get_node("connect").set_pressed(false)
			else:
				send_message("* "+get_node("user_name").get_text()+" entered chat.")			
	else:
	
		udp.close()
		get_node("status").set_text("Disconnected.")
		get_node("connect").set_text("Connect")
	



func _on_entry_line_text_entered( text ):
	_on_entry_button_pressed();

func _on_entry_button_pressed():
	var msg = get_node("entry_line").get_text()
	if (msg==""):
		return
	send_message(get_node("user_name").get_text()+"> "+msg)
	
	get_node("entry_line").set_text("")