extends SceneTree

# Forgejo #23 + #25: the mothership hangar presents vessels by type, tapping
# an available type crews one, tapping a fleet type stores one, and contextual
# world buttons each get their own touch berth.

var game_state: Node
var scene: Node
var fleet: Node
var controller: Node
var stage: int = 0
var elapsed: float = 0.0


func _initialize() -> void:
	game_state = root.get_node("GameState")
	game_state.buildings.clear()
	game_state.extractors.clear()
	game_state.transporters.clear()
	game_state.stored_vessels.clear()
	game_state.rocks = 100
	scene = load("res://Main.tscn").instantiate()
	root.add_child(scene)
	fleet = scene.get_node("Fleet")
	controller = scene.get_node("BuildController")


func _process(delta: float) -> bool:
	elapsed += delta
	if stage == 0:
		scene.get_node("AsteroidField").set_process(false)
		scene.get_node("EnemySpawner").set_process(false)
		for a in get_nodes_in_group("asteroids"):
			if is_instance_valid(a):
				a.queue_free()
		fleet.spawn_ships(1, Vector2.ZERO)
		fleet.add_ship(GameState.VESSEL_SHIELD)
		game_state.stored_vessels = [GameState.VESSEL_INTERCEPTOR, GameState.VESSEL_SHIELD]
		controller._on_hangar_pressed()
		elapsed = 0.0
		stage = 1
		return false
	if stage == 1:
		if elapsed < 0.2:
			return false
		# Available cards name the vessel and count what can be crewed.
		var available_label: Label = controller.hangar_available_labels[0]
		if "Interceptor" not in available_label.text or "1 available" not in available_label.text:
			_fail("available interceptor card says '%s'" % available_label.text)
			return true
		controller._on_hangar_crew_type(0)
		if fleet.ships.size() != 3 or game_state.stored_vessels.has(GameState.VESSEL_INTERCEPTOR):
			_fail("tapping an available interceptor did not crew it")
			return true
		controller._on_hangar_store_type(1)
		if fleet.ships.size() != 2 or not game_state.stored_vessels.has(GameState.VESSEL_SHIELD):
			_fail("tapping the shield fleet card did not store it")
			return true
		# The safety rule prevents an empty deployed fleet.
		controller._on_hangar_store_type(0)
		controller._on_hangar_store_type(0)
		if fleet.ships.size() != 1:
			_fail("hangar allowed the last deployed ship to be stored")
			return true

		# Context actions are compact until expanded. A mothership has three
		# choices: research, transfer cargo and hangar, which unfold in their
		# own non-overlapping berths to the right only after expansion.
		var mothership: Node2D = load("res://Building.tscn").instantiate()
		mothership.set("building_type", GameState.BUILDING_MOTHERSHIP)
		controller.current_building = mothership
		controller.context_actions_expanded = true
		controller._layout_context_buttons()
		var buttons: Array = [controller.building_action_button, controller.transfer_button, controller.hangar_button]
		for i in range(buttons.size() - 1):
			if buttons[i].offset_right > buttons[i + 1].offset_left:
				_fail("context buttons %d and %d overlap" % [i, i + 1])
				return true
		controller._collapse_context_actions()
		if controller.building_action_button.visible or controller.transfer_button.visible or controller.hangar_button.visible:
			_fail("collapsing the context button left an action visible")
			return true
		mothership.free()
		print("hangar crews and stores typed vessels; contextual actions expand and collapse")
		print("TEST_HANGAR_MANAGEMENT: PASS")
		quit(0)
		return true
	return false


func _fail(message: String) -> void:
	print("TEST_HANGAR_MANAGEMENT: FAIL (%s)" % message)
	quit(1)