extends Control

class_name HUD

export var healthBar_path : NodePath
onready var healthBar = get_node(healthBar_path)
export var goldText_path : NodePath
onready var goldText = get_node(goldText_path)

func _ready():
	Controller.player_infos.connect("curHp_update", self, "update_health_bar")
	Controller.player_infos.connect("gold_update", self, "update_gold_text")
	update_health_bar(Controller.player_infos.curHp)
	update_gold_text(Controller.player_infos.gold)

# called when we take damage
func update_health_bar (curHp):
	fetch_components()
	var maxHp : int = Controller.player_infos.maxHp
	healthBar.value = (100 / maxHp) * curHp
	
# called when our gold changes
func update_gold_text (gold):
	fetch_components()
	goldText.text = "Gold: " + str(gold)

func fetch_components():
	if healthBar == null:
		healthBar = get_node("HealthBar")
	if goldText == null:
		goldText = get_node("GoldText")

func _enter_tree():
	Controller.hud = self