extends RefCounted
## Headless tests for movement constants, surface lookup, gamepad bindings, and
## the settings that drive the camera feel.

const GuardController := preload("res://src/game/guard_controller.gd")

func test_surface_lookup_covers_the_block() -> bool:
	var guard := GuardController.new()
	var a := TestUtils.check_eq(guard._surface_at(Vector3(0, 0.2, 2.0)), "stone",
		"the entrance steps are stone")
	var b := TestUtils.check_eq(guard._surface_at(Vector3(3, 0.2, 8.0)), "concrete",
		"the sidewalk is concrete")
	var c := TestUtils.check_eq(guard._surface_at(Vector3(2, 0.1, 18.0)), "asphalt",
		"the roadway is asphalt")
	guard.free()
	return a and b and c

func test_step_and_stride_stay_modest() -> bool:
	var a := TestUtils.check(GuardController.STEP_HEIGHT <= 0.35,
		"step-up stays at kerb height")
	var b := TestUtils.check(GuardController.STRIDE_LENGTH >= 0.5
		and GuardController.STRIDE_LENGTH <= 1.2, "stride stays human-sized")
	var c := TestUtils.check(GuardController.SLOW_WALK_FACTOR < 1.0
		and GuardController.SLOW_WALK_FACTOR > 0.3, "precision walk is slower but usable")
	return a and b and c

func test_gamepad_bindings_are_added_once() -> bool:
	GuardController._ensure_gamepad_bindings()
	GuardController._ensure_gamepad_bindings()
	var expected := ["look_left", "look_right", "look_up", "look_down",
		"move_forward", "move_back", "move_left", "move_right"]
	var problems: Array[String] = []
	for action in expected:
		if not InputMap.has_action(action):
			problems.append("%s missing" % action)
			continue
		var motions := 0
		for event in InputMap.action_get_events(action):
			if event is InputEventJoypadMotion:
				motions += 1
		if motions == 0:
			problems.append("%s has no joypad axis" % action)
		if InputMap.action_get_deadzone(action) > 0.25:
			problems.append("%s deadzone too high" % action)
	var buttons := {"action_menu": JOY_BUTTON_A, "cancel": JOY_BUTTON_B,
		"ui_accept": JOY_BUTTON_A, "ui_cancel": JOY_BUTTON_B,
		"inspect": JOY_BUTTON_X, "walk_slow": JOY_BUTTON_LEFT_SHOULDER}
	for action in buttons.keys():
		var found := false
		for event in InputMap.action_get_events(action):
			if event is InputEventJoypadButton and event.button_index == buttons[action]:
				found = true
		if not found:
			problems.append("%s has no gamepad button" % action)
	return TestUtils.check(problems.is_empty(), "gamepad actions bound (%s)" % str(problems))