extends StaticBody3D

@export var stats: BaseStats

const GATE_SCENE: PackedScene = preload("res://portal/gate.tscn")

func _ready() -> void:
  add_to_group("portals")
  Stats.register(self, stats)
  EventBus.entity_died.connect(_on_entity_died)

func _exit_tree() -> void:
  Stats.deregister(self)

func _on_entity_died(entity: Node) -> void:
  if entity != self:
    return
  if not is_inside_tree():
    return
  var pos: Vector3 = global_position
  var gate: Node3D = GATE_SCENE.instantiate()
  get_parent().add_child(gate)
  gate.global_position = pos
  var enemies := get_tree().get_nodes_in_group("enemies")
  for enemy in enemies:
    if is_instance_valid(enemy):
      enemy.queue_free()
  EventBus.portal_defeated.emit(self)
  queue_free()

func _on_detection_area_body_entered(body: Node3D) -> void:
  if body is CharacterBody3D and body.name == "Player":
    EventBus.enemy_engaged.emit(self, body)