extends CanvasLayer

@onready var health_bar: ProgressBar = $HealthBar
@onready var shield_bar: ProgressBar = $ShieldBar
@onready var respawn_label: Label = $RespawnTimer
@onready var class_icon: Label = $AbilityBar/ClassIcon/Label

var player_node: Node = null

func _ready() -> void:
  respawn_label.visible = false
  EventBus.health_changed.connect(_on_health_changed)
  EventBus.shield_changed.connect(_on_shield_changed)
  EventBus.entity_died.connect(_on_entity_died)
  EventBus.player_respawned.connect(_on_player_respawned)
  EventBus.class_changed.connect(_on_class_changed)
  EventBus.respawn_tick.connect(_on_respawn_tick)

func _on_health_changed(entity: Node, current: float, max_val: float) -> void:
  if entity.name == "Player":
    health_bar.max_value = max_val
    health_bar.value = current

func _on_shield_changed(entity: Node, current: float, max_val: float) -> void:
  if entity.name == "Player":
    shield_bar.max_value = max_val
    shield_bar.value = current

func _on_entity_died(entity: Node) -> void:
  if entity.name == "Player":
    respawn_label.visible = true

func _on_player_respawned(_player: Node) -> void:
  respawn_label.visible = false

func _on_respawn_tick(timer: float) -> void:
  respawn_label.text = str(ceil(timer))

func _on_class_changed(_player: Node, class_type: int) -> void:
  match class_type:
    0: class_icon.text = "T"
    1: class_icon.text = "D"
    2: class_icon.text = "H"