extends SceneTree

const MINIMUM_DURATION_SECONDS := 20.0
const MAXIMUM_DURATION_SECONDS := 30.0
const HARD_TIMEOUT_SECONDS := 36.0

var completed := false
var failed_reason := ""


func _initialize() -> void:
	call_deferred("_run")


func _run() -> void:
	var main_scene: Node = load("res://main.tscn").instantiate()
	root.add_child(main_scene)
	await process_frame
	for _frame in 10:
		await physics_frame

	var demo := main_scene.get_node("DemoController")
	demo.pantry_crisis_completed.connect(_on_demo_completed)
	demo.pantry_crisis_failed.connect(_on_demo_failed)
	var started_at := Time.get_ticks_msec()
	demo.start_pantry_crisis_demo()

	while not completed and failed_reason.is_empty():
		var elapsed := (Time.get_ticks_msec() - started_at) / 1000.0
		if elapsed > HARD_TIMEOUT_SECONDS:
			failed_reason = "Timed out after %.1f seconds" % elapsed
			break
		await process_frame

	var duration := (Time.get_ticks_msec() - started_at) / 1000.0
	if not failed_reason.is_empty():
		push_error("[TOOL] Pantry crisis demo failed: %s" % failed_reason)
		quit(1)
		return
	if duration < MINIMUM_DURATION_SECONDS or duration > MAXIMUM_DURATION_SECONDS:
		push_error(
			(
				"[TOOL] Pantry crisis demo took %.1f seconds; expected %.0f–%.0f"
				% [duration, MINIMUM_DURATION_SECONDS, MAXIMUM_DURATION_SECONDS]
			)
		)
		quit(1)
		return
	print("[TOOL] Pantry crisis demo completed in %.1f seconds" % duration)
	quit(0)


func _on_demo_completed(_helper_id: int, _resolution_event_id: int) -> void:
	completed = true


func _on_demo_failed(reason: String) -> void:
	failed_reason = reason