@tool
extends Control

class_name GameMenuTab

signal on_tab_selected(index: int)

@export var bob_height: float = 100
@export var duration: float = 0.5
@export var index: int = 0
@export var image: Texture:
	set(value):
		image = value
		if is_inside_tree() and has_node("%Texture"):
			$%Texture.texture = image

@onready var texture: TextureRect = $%Texture

var is_selected: bool = false
var hover_tween: Tween

func _ready():
	if image != null and has_node("%Texture"):
		$%Texture.texture = image

func _on_gui_input(event: InputEvent) -> void:
	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
		if is_selected:
			return
		on_tab_selected.emit(index)

func select():
	is_selected = true
	_move_up()

func deselect():
	is_selected = false
	_move_down()

func select_without_animation():
	is_selected = true
	texture.position.y = -bob_height
	
func deselect_without_animation():
	is_selected = false
	texture.position.y = 0

func _move_up():
	if hover_tween: hover_tween.kill()
	hover_tween = create_tween()
	hover_tween.tween_property(texture, "position:y", -bob_height, duration).set_trans(Tween.TRANS_SINE)

func _move_down():
	if hover_tween: hover_tween.kill()
	var exit_tween = create_tween()
	exit_tween.tween_property(texture, "position:y", 0, duration).set_trans(Tween.TRANS_QUAD)