extends RefCounted
## Regression tests for the first-person mouse-look path and non-blocking HUD.

const GameManager := preload("res://src/game/game_manager.gd")
const GuardController := preload("res://src/game/guard_controller.gd")
const Hud := preload("res://src/game/ui/hud.gd")

func test_mouse_look_rotates_yaw_and_pitch() -> bool:
	var root := Node3D.new()
	var gm: Node = GameManager.new()
	var guard: GuardController = gm.call("_build_guard")
	guard._ready()
	var yaw0 := guard.rotation.y
	var pitch0 := guard.head.rotation.x
	guard._apply_mouse_look(Vector2(100, 50))
	var a := TestUtils.check(guard.rotation.y < yaw0 - 0.1, "horizontal motion yaws the guard")
	var b := TestUtils.check(guard.head.rotation.x < pitch0 - 0.1, "vertical motion pitches the head")
	guard._apply_mouse_look(Vector2(0, 100000))
	var c := TestUtils.check(absf(rad_to_deg(guard.head.rotation.x)) <= 80.01,
		"pitch stays clamped")
	guard.free()
	gm.free()
	root.free()
	return a and b and c

func test_hud_does_not_capture_mouse_input() -> bool:
	var hud: Hud = Hud.new()
	var root := hud.get_child(0) as Control
	var a := TestUtils.check(root != null and root.mouse_filter == Control.MOUSE_FILTER_IGNORE,
		"full-screen HUD root ignores mouse input")
	var labels := hud.find_children("*", "Label", true, false)
	var blocking := 0
	for node in labels:
		if (node as Control).mouse_filter != Control.MOUSE_FILTER_IGNORE:
			blocking += 1
	var b := TestUtils.check(blocking == 0, "HUD labels do not swallow mouse motion")
	hud.free()
	return a and b