class_name ScenePortal
extends Area2D

# ============================================================================
# ScenePortal.gd - 场景入口传送组件
# ============================================================================
# 提供轻量级场景跳转能力，用于广场、小区和个人空间之间的入口。
# ============================================================================

@export var targetSceneName: String = ""
@export var targetSpawnName: String = ""
@export var targetPosition: Vector2 = Vector2.ZERO
@export var interactionTitle: String = "进入"
@export var interactionDistance: float = 160.0

func _ready() -> void:
	var label: String = interactionTitle.strip_edges()
	if label.is_empty():
		label = "进入 %s" % targetSceneName
	var interactable: InteractableComponent = InteractableComponent.new()
	interactable.interaction_id = "portal:%s" % str(get_path())
	interactable.interaction_title = label
	interactable.interaction_priority = 20
	interactable.interaction_distance = interactionDistance
	interactable.activation_method = &"_change_scene"
	add_child(interactable)

func _on_body_entered(body: Node2D) -> void:
	return

func _change_scene() -> void:
	if targetSceneName.is_empty():
		push_warning("ScenePortal: targetSceneName is empty.")
		return

	if not targetSpawnName.is_empty():
		SceneManager.set_next_spawn_name(targetSpawnName)
	elif targetPosition != Vector2.ZERO:
		SceneManager.set_next_scene_position(targetPosition)

	SceneManager.change_scene(targetSceneName)