class_name ConversationAct
extends RefCounted

var _act_id: StringName
var _intent_id: StringName
var _speaker: WorldEntityRef
var _listener: WorldEntityRef
var _causal_topic_ids: Array[StringName] = []
var _reason_trace: Array[StringName] = []


func _init(
	act_id: StringName = &"",
	intent_id: StringName = &"",
	speaker: WorldEntityRef = null,
	listener: WorldEntityRef = null,
	causal_topic_ids: Array[StringName] = [],
	reason_trace: Array[StringName] = []
) -> void:
	_act_id = act_id
	_intent_id = intent_id
	_speaker = ConversationSemantic.duplicate_entity(speaker)
	_listener = ConversationSemantic.duplicate_entity(listener)
	_causal_topic_ids = causal_topic_ids.duplicate()
	_reason_trace = reason_trace.duplicate()


func is_valid() -> bool:
	return (
		ConversationSemantic.is_valid_id(_act_id)
		and ConversationSemantic.is_valid_id(_intent_id)
		and _speaker != null
		and _speaker.is_valid()
		and _listener != null
		and _listener.is_valid()
		and not _speaker.equals(_listener)
		and ConversationSemantic.normalize_id_array(_causal_topic_ids) != null
		and ConversationSemantic.normalize_trace(_reason_trace) != null
	)


func get_act_id() -> StringName:
	return _act_id


func get_intent_id() -> StringName:
	return _intent_id


func get_speaker() -> WorldEntityRef:
	return ConversationSemantic.duplicate_entity(_speaker)


func get_listener() -> WorldEntityRef:
	return ConversationSemantic.duplicate_entity(_listener)


func get_causal_topic_ids() -> Array[StringName]:
	return _causal_topic_ids.duplicate()


func get_reason_trace() -> Array[StringName]:
	return _reason_trace.duplicate()


func copy() -> ConversationAct:
	return ConversationAct.new(
		_act_id, _intent_id, _speaker, _listener, _causal_topic_ids, _reason_trace
	)