@tool
extends Button
class_name GuiButton


var towerType : Tower.TYPE :
	set(value):
		towerType = value
		if towerType != Tower.TYPE.NONE:
			EventBus.energy_has_changed.connect(changeEnergy)
			EventBus.tower_builded.connect(towerChanged)


@export var hasEnergyBar : bool = false :
	set(value):
		hasEnergyBar = value
		$EnergyBar.visible = hasEnergyBar
@export var texture : Texture2D :
	set(value):
		texture = value
		$TextureRect.texture = texture


func buttonToggled(state : bool) -> void:
	if towerType != Tower.TYPE.NONE:
		EventBus.tower_selected.emit(towerType if state else Tower.TYPE.NONE)


func changeEnergy(tower : Tower) -> void:
	if tower.tower_type == towerType:
		$EnergyBar.value = tower.energy


func towerChanged(tower : Tower) -> void :
	if tower.tower_type == towerType:
		$EnergyBar.max_value = tower.max_energy