class_name Collectable
extends Area2D
## A delivery item the Ghost can carry. Picking up and dropping is driven by the
## Ghost through the "interact" (E) action, not by automatic collision.

@export var item_id: String = ""
@export var positionLeft: Vector2 = Vector2.ZERO
@export var positionRight: Vector2 = Vector2.ZERO
@export var positionUp: Vector2 = Vector2.ZERO
@export var positionDown: Vector2 = Vector2.ZERO

var is_held: bool = false
var is_delivered: bool = false

func _ready() -> void:
	add_to_group("collectable")

func can_pick_up() -> bool:
	return not is_held and not is_delivered

func mark_picked_up() -> void:
	is_held = true

func mark_dropped() -> void:
	is_held = false

func mark_delivered() -> void:
	is_held = false
	is_delivered = true
	set_deferred("monitoring", false)
	set_deferred("monitorable", false)