class_name WorldTargetCapability
extends RefCounted

var _capability_id: StringName
var _attributes: Dictionary


func _init(capability_id: StringName = &"", attributes: Dictionary = {}) -> void:
	_capability_id = capability_id
	_attributes = attributes.duplicate(true)


func is_valid() -> bool:
	return not _capability_id.is_empty() and not _contains_object(_attributes)


func get_capability_id() -> StringName:
	return _capability_id


func get_attributes() -> Dictionary:
	return _attributes.duplicate(true)


func get_attribute(attribute_id: StringName, default_value: Variant = null) -> Variant:
	var value: Variant = _attributes.get(String(attribute_id), default_value)
	return value.duplicate(true) if value is Array or value is Dictionary else value


func to_dictionary() -> Dictionary:
	return {
		"capability_id": String(_capability_id),
		"attributes": _attributes.duplicate(true),
	}


func copy() -> WorldTargetCapability:
	return WorldTargetCapability.new(_capability_id, _attributes)


static func _contains_object(value: Variant) -> bool:
	if value is Object:
		return true
	if value is Array:
		for item in value:
			if _contains_object(item):
				return true
	elif value is Dictionary:
		for key in value:
			if _contains_object(key) or _contains_object(value[key]):
				return true
	return false