extends Node2D

var _card_class = preload("res://card.gd")

# Library cards are represented as an array of card IDs.
var lib_cards: Array[String] = []
var num_cards: int = 0


func _load_card_callback(card) -> void:
	card.load_card()


func _init(card_ids: Array) -> void:
	lib_cards = Array()
	var temp_card
	for id in card_ids:
		temp_card = _card_class.new(id)
		temp_card.cache_done.connect(_load_card_callback.bind(temp_card))
		lib_cards.push_back(temp_card)
		num_cards += 1


func init(card_ids: Array[String]) -> void:
	for id in card_ids:
		pass


func add_cards(cards: Array, top: bool) -> void:
	for card in cards:
		add_card(card, top)


func add_card(card, top: bool) -> void:
	if top:
		lib_cards.push_front(card)
	else:
		lib_cards.push_back(card)


func shuffle() -> void:
	lib_cards.shuffle()


func draw_cards(num) -> Array:
	var ret = Array()
	for i in num:
		ret.push_back(lib_cards.pop_front())
	return ret