@tool
extends Button
class_name GuiButton


var tower : Tower : set = towerLinked
@export var texture : Texture2D :
	set(value):
		texture = value
		$TextureRect.texture = texture


func towerLinked(value) -> void:
	tower = value
	if not tower:
		return

	$LeFond/Label.text = "%d €" % tower.price
	toggle_mode = true
	add_theme_stylebox_override("pressed", GameStyleBoxFlat.createWithColor(GameColor.COLOR.SELECTED))
	tower.changed.connect(onTowerChanged)
	tower.energy_changed.connect(func(): $EnergyBar.value = tower.energy)
	tower.state_changed.connect(updateDisabled)
	Game.money_changed.connect(updateDisabled)
	EventBus.tower_selected.connect(func(_type): set_pressed_no_signal(_type == tower.type))
	toggled.connect(func(state): EventBus.tower_selected.emit(tower.type if state else Tower.TYPE.NONE))
	tooltip_text = tower.name
	texture = tower.icone
	onTowerChanged()


func onTowerChanged() -> void :
	disabled = not tower.selectable
	$EnergyBar.max_value = tower.max_energy
	$EnergyBar.visible = tower.selectable
	$LeFond.visible = tower.state == Tower.STATE.BLUEPRINT


func updateDisabled() -> void:
	disabled = not tower.selectable