extends SceneTree

const QuestCurtain = preload("res://ui/quest_curtain.gd")

var _fail := 0
func _ck(c: bool, m: String) -> void:
	if not c:
		_fail += 1
		printerr("FAIL: " + m)
	else:
		print("OK: " + m)

func _init() -> void:
	_run()
	if _fail == 0:
		print("PASS: quest_curtain_test (16:9 letterbox calculation and open/close states)")
		quit(0)
	else:
		printerr("%d checks failed in quest_curtain_test" % _fail)
		quit(1)

func _run() -> void:
	var curtain := QuestCurtain.new()
	root.add_child(curtain)

	_ck(not curtain.is_open(), "curtain initially closed")
	_ck(curtain.top_bar != null, "top_bar instantiated")
	_ck(curtain.bottom_bar != null, "bottom_bar instantiated")

	curtain.open(0.01)
	_ck(curtain.is_open(), "curtain is_open after open()")
	_ck(curtain.top_bar.size.y >= QuestCurtain.MIN_BAR_HEIGHT, "bar height respects MIN_BAR_HEIGHT")

	curtain.close(0.01)
	_ck(not curtain.is_open(), "curtain is not open after close()")

	curtain.queue_free()