## Tests for GiftBox — CLOSED/OPENING/OPEN state machine transitions.
extends GutTest

var _box: GiftBox


func before_each() -> void:
	_box = preload("res://scenes/objects/GiftBox.tscn").instantiate() as GiftBox
	add_child_autofree(_box)


func test_initial_state_is_closed() -> void:
	assert_eq(_box._state, GiftBox.State.CLOSED)


func test_ready_hides_gift_node() -> void:
	var gift: Node2D = _box.get_node("Gift") as Node2D
	assert_eq(gift.modulate.a, 0.0)


func test_start_opening_transitions_to_opening() -> void:
	_box._start_opening()
	assert_eq(_box._state, GiftBox.State.OPENING)


func test_on_lid_opened_transitions_to_open() -> void:
	_box._start_opening()
	_box._on_lid_opened()
	assert_eq(_box._state, GiftBox.State.OPEN)


func test_input_ignored_when_state_is_opening() -> void:
	_box._state = GiftBox.State.OPENING
	var event: InputEventScreenTouch = InputEventScreenTouch.new()
	event.pressed = true
	event.position = _box.global_position
	_box._input(event)
	assert_eq(_box._state, GiftBox.State.OPENING)


func test_input_ignored_when_state_is_open() -> void:
	_box._state = GiftBox.State.OPEN
	var event: InputEventScreenTouch = InputEventScreenTouch.new()
	event.pressed = true
	event.position = _box.global_position
	_box._input(event)
	assert_eq(_box._state, GiftBox.State.OPEN)


func test_tap_outside_hitbox_does_not_open() -> void:
	var event: InputEventScreenTouch = InputEventScreenTouch.new()
	event.pressed = true
	event.position = _box.global_position + Vector2(200.0, 200.0)
	_box._input(event)
	assert_eq(_box._state, GiftBox.State.CLOSED)


func test_release_event_does_not_open() -> void:
	var event: InputEventScreenTouch = InputEventScreenTouch.new()
	event.pressed = false
	event.position = _box.global_position
	_box._input(event)
	assert_eq(_box._state, GiftBox.State.CLOSED)