extends SceneTree

var _failures: Array[String] = []


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


func _expect(condition: bool, message: String) -> void:
	if not condition:
		_failures.append(message)


func _run() -> void:
	var host := Node3D.new()
	root.add_child(host)
	var jets := PlayerJetVFX.new()
	host.add_child(jets)
	await process_frame

	_expect(jets.get_flame_count() == 4, "jet rig must contain exactly four flames")
	jets.burst_double_jump()
	jets._process(0.016)
	var up_exhaust := jets.get_exhaust_direction()
	_expect(up_exhaust.y < -0.95, "double-jump exhaust must point mostly down")
	_expect(up_exhaust.z > 0.0, "double-jump exhaust needs a slight rear cant")
	_expect(jets.visible, "double-jump burst must reveal the flames")

	jets.set_dash(true, Vector2(0.0, 1.0))
	jets._process(0.016)
	var dash_exhaust := jets.get_exhaust_direction()
	_expect(dash_exhaust.z > 0.90, "forward dash exhaust must point backward")
	_expect(dash_exhaust.y < 0.0, "dash exhaust keeps a slight downward cant")

	var humanoid := HumanoidModel.new()
	host.add_child(humanoid)
	await process_frame
	humanoid.set_locomotion(0.0, -1.0, 0.0)
	humanoid.update_state("ground", 9.0)
	humanoid._process(0.1)
	_expect(humanoid.root_pivot.rotation.x > 0.0,
		"fallback model must lean backward while backpedalling")
	humanoid.update_state("ground", 5.0)
	humanoid._process(0.1)
	_expect(humanoid._brake_left > 0.0, "deceleration must arm the braking pose")
	_expect(absf(humanoid.thigh_r_pivot.rotation.x) > 0.05,
		"braking pose must plant a lead foot")

	if _failures.is_empty():
		print("JET_POSE_TEST PASS: four flames, directional thrust, reverse lean, brake pose")
		quit(0)
	else:
		for failure in _failures:
			push_error("JET_POSE_TEST FAIL: " + failure)
		quit(1)