extends Node
class_name MessageData


signal message_added(message)
signal message_group_added(message_group)


var dirty_flag = false
var loaded_message_groups = []


func add_message(content, time_stamp, user):
	var message_group: MessageGroup
	
	if loaded_message_groups.empty():
		message_group = _add_message_group(time_stamp, user)
	else:
		var latest_message_group = loaded_message_groups[-1]
		if latest_message_group.associated_user != user:
			message_group = _add_message_group(time_stamp, user)
		else:
			var latest_message = latest_message_group.messages[-1]
			if time_stamp - latest_message.time_stamp >= 120:
				message_group = _add_message_group(time_stamp, user)
			else:
				message_group = loaded_message_groups[-1]
	
	var message = Message.new()
	message.content = content
	message.time_stamp = time_stamp
	message_group.add(message)
	emit_signal("message_added", message)
	
#	var node = message.create_node()
#	message_group.associated_container.add(node)


func load_data():
	# TODO: load data.
	pass


func save_data():
	if dirty_flag:
		# TODO: Save data.
		pass
	
	# dirty_flag needs to be set to false after successful save!
	dirty_flag = false


func _add_message_group(time_stamp, user) -> MessageGroup:
	var message_group = MessageGroup.new()
	message_group.associated_user = user
	message_group.time_stamp = time_stamp
	loaded_message_groups.append(message_group)
	emit_signal("message_group_added", message_group)
	
#	var container = message_group.create_container()
#	UI.message_feed_container.add_child(container)
	
	return message_group