class_name ControllerManager extends Node


var controller_message_bus: ControllerMessageBus = ControllerMessageBus.new()


func _init() -> void:
	_connect_signals()
	_bind_callables()

func _connect_signals() -> void:
	connect("child_entered_tree", register_controller)
	connect("child_exiting_tree", unregister_controller)

func _bind_callables() -> void:
	controller_message_bus.message               = Callable(self, "message")
	controller_message_bus.message_to            = Callable(self, "message_to")
	controller_message_bus.register_controller   = Callable(self, "register_controller")
	controller_message_bus.unregister_controller = Callable(self, "unregister_controller")

func _ready() -> void:
	controller_message_bus.message.call(
		GameReadyEvent.new()
	)


func register_controller(controller: BaseController) -> void:
	controller.set_controller_message_bus(controller_message_bus)

func unregister_controller(controller: BaseController) -> void:
	controller.unset_controller_message_bus()


func message(event: BaseEvent):
	for controller: BaseController in get_children():
		controller._controller_message(event)

func message_to(cname: String, event: BaseEvent):
	get_node(cname)._controller_message(event)

func message_to_selected(cnames: Array[String], event: BaseEvent):
	var results: Array = Array()

	for cname: String in cnames:
		results.append(
			controller_message_bus.message_to.call(name, event)
		)

	return results