extends SceneTree

var failures: Array[String] = []


func _init() -> void:
	_run.call_deferred()


func _run() -> void:
	var scene: PackedScene = load("res://scenes/ui/main_ui.tscn")
	if scene == null:
		push_error("Could not load main_ui.tscn")
		quit(1)
		return

	var ui := scene.instantiate()
	root.add_child(ui)
	await process_frame

	for node_path: String in [
		"RhythmTrack",
		"RhythmTrack/JudgementLabel",
		"RhythmTrack/ChartMarkerContainer",
		"ComboWindow",
		"StatusBars/HealthBar",
		"StatusBars/EnergyBar",
		"StatusBars/ChargeBar",
	]:
		if not ui.has_node(node_path):
			failures.append("Missing rhythm UI node: %s" % node_path)

	var bus := _event_bus()
	bus.emit_signal("action_judged", &"skill_a", {"label": "perfect", "diff": 0.0})
	await process_frame
	var label := ui.get_node("RhythmTrack/JudgementLabel") as Label
	if not label.text.contains("SKILL_A"):
		failures.append("RhythmTrack should render EventBus judgement text")

	ui.free()
	_finish()


func _event_bus() -> Node:
	var bus := root.get_node_or_null("EventBus")
	if bus == null:
		bus = load("res://autoload/event_bus.gd").new()
		bus.name = "EventBus"
		root.add_child(bus)
	return bus


func _finish() -> void:
	if failures.is_empty():
		print("PASS rhythm ui")
		quit(0)
	else:
		for failure: String in failures:
			push_error(failure)
		quit(1)