extends SceneTree

## Build every level in Levels.ORDER and report whether it's structurally sound:
## prop count, missing assets, and — the one that matters — whether anything is spawned
## inside anything else. A level that fires furniture across the room on frame one is
## broken whatever it looks like in a screenshot.
##
##   Godot --headless --path game --script dev/probe_levels.gd

func _initialize() -> void:
	var main: Node = (load("res://main.tscn") as PackedScene).instantiate()
	get_root().add_child(main)
	await process_frame

	for id in Levels.ORDER:
		main._load_level(id)
		for i in 8:
			await physics_frame
		var plan = main.get("_plan")
		var bodies := get_nodes_in_group("smashable").size()
		var statics := _count_static(plan)
		# let it run a full second and see if anything is still moving
		for i in 60:
			await physics_frame
		var motion := 0.0
		var worst := ""
		var worst_v := 0.0
		for n in get_nodes_in_group("smashable"):
			var b := n as RigidBody3D
			if b == null or b.freeze:
				continue
			var v := b.linear_velocity.length()
			motion += v
			if v > worst_v:
				worst_v = v
				worst = "%s at %s" % [b.name, b.global_position.snappedf(0.1)]
		print("\n=== %-14s %s" % [id, plan.level_name()])
		print("    smashables=%-4d  static bodies=%-4d" % [bodies, statics])
		print("    residual motion after 1s = %.2f m/s   worst: %s" % [
			motion, worst if worst != "" else "-"])
	quit()

func _count_static(n: Node) -> int:
	var c := 0
	if n is StaticBody3D:
		c += 1
	for ch in n.get_children():
		c += _count_static(ch)
	return c