extends Node

var messages: MessageData
var topics: TopicData


func _ready():
	messages = MessageData.new()
	topics = TopicData.new()
	
	var autosave_timer = Timer.new()
	autosave_timer.wait_time = 6.0 # Every ten minutes.
	autosave_timer.autostart = true
	autosave_timer.connect("timeout", self, "_save_data")
	add_child(autosave_timer)
	
	yield(get_tree(), "idle_frame")
	_load_data()


func _notification(what):
	if what == NOTIFICATION_WM_QUIT_REQUEST:
		_save_data()


func _exit_tree():
	messages.free()
	topics.free()


func _load_data():
	messages.load_data()
	topics.load_data()


func _save_data():
	messages.save_data()
	topics.save_data()