class_name DeckNode

var name: String
var input_ports: Array[Port]
var output_ports: Array[Port]
var outgoing_connections: Dictionary

var _belonging_to: Deck
var _id: String


func add_input_port(type: Deck.Types, label: String, descriptor: String = "") -> void:
	var port := Port.new(type, label, descriptor)
	input_ports.append(port)


func add_output_port(type: Deck.Types, label: String, descriptor: String = "") -> void:
	var port := Port.new(type, label, descriptor)
	output_ports.append(port)


func send(from_port: int, data: DeckType, extra_data: Array = []) -> void:
	if outgoing_connections.get(from_port) == null:
		return

	for connection in outgoing_connections[from_port]:
		connection = connection as Dictionary
		# key is node uuid
		# value is input port on destination node
		for node in connection:
			_belonging_to.get_node(node)._receive(connection[node], data, extra_data)


func _receive(to_port: int, data: DeckType, extra_data: Array = []) -> void:
	pass


func add_outgoing_connection(from_port: int, to_node: String, to_port: int) -> void:
	var port_connections: Array = outgoing_connections.get(from_port, [])
	port_connections.append({to_node: to_port})
	outgoing_connections[from_port] = port_connections


func remove_outgoing_connection(from_port: int, connection_hash: int) -> void:
	var port_connections: Array = (outgoing_connections.get(from_port, []) as Array).duplicate(true)
	if port_connections.is_empty():
		return

	var to_remove: int = -1
	for i in port_connections.size():
		if port_connections[i].hash() == connection_hash:
			to_remove = i

	if to_remove == -1:
		return

	port_connections.remove_at(to_remove)
	outgoing_connections[from_port] = port_connections