class_name SceneManager
extends Node

## ==============================
## References
## ==============================
var _scene: ReedScene
var _act_manager: ActManager
var _props: Dictionary # prop_id -> PropComponent

## ==============================
## Lifecycle
## ==============================
func _ready() -> void:
	await get_parent().ready
	
	_resolve_scene()
	if _scene == null:
		push_error("[SceneManager] Parent is not ReedScene.")
		return

	_resolve_references()
	_bind_signals()

## ==============================
## Resolve References
## ==============================
func _resolve_scene() -> void:
	var p := get_parent()
	if p is ReedScene:
		_scene = p
	else:
		_scene = null

func _resolve_references() -> void:
	# 从 ReedScene 拿“整理好的结果”
	_act_manager = _scene._act_manager
	_props = _scene._prop_map


## ==============================
## Signal Binding
## ==============================

func _bind_signals() -> void:
	if _act_manager:
		_act_manager.act_changed.connect(_on_act_changed)

	#for prop_id in _props:
		#var prop : PropComponent = _props[prop_id]
		#_bind_prop_signals(prop)
#
#func _bind_prop_signals(prop: PropComponent) -> void:
	## 示例：监听 prop 的自定义信号
	#if prop.has_signal("activated"):
		#prop.activated.connect(func():
			#_on_prop_activated(prop)
		#)


## ==============================
## Callbacks
## ==============================
func _on_act_changed(from_act: int, to_act: int) -> void:
	print("[SceneManager] Act changed:", from_act, "->", to_act)

func _on_prop_activated(prop: PropComponent) -> void:
	print("[SceneManager] Prop activated:", prop.prop_id)