extends Control

const NO_DEVICE := "No Active Device"

const DEFAULT_COLOR := Color(0x2a2a2aff)
const ACTIVE_COLOR := Color(0x4a8e53ff)

@onready var device_name: RichTextLabel = $Device

var _has_joy := false
var _buttons: Array[Node]
var _triggers: Array[Node]

func _ready() -> void:
	self._buttons = self.get_tree().get_nodes_in_group("buttons")
	self._triggers = self.get_tree().get_nodes_in_group("triggers")
	if Input.get_connected_joypads().size() > 0:
		self.device_name.text = Input.get_joy_name(0)
		self._has_joy = true

func _process(_delta: float) -> void:
	if !self._has_joy:
		if Input.get_connected_joypads().size() > 0:
			self.device_name.text = Input.get_joy_name(0)
			self._has_joy = true
		return

	if Input.get_connected_joypads().size() <= 0:
		self._has_joy = false
		self.device_name.text = NO_DEVICE
		return

	for btn in self._buttons:
		if not btn is ControllerButton:
			continue

		var cbtn := btn as ControllerButton
		cbtn.color = DEFAULT_COLOR

		if cbtn.input_code && Input.is_action_pressed(cbtn.input_code):
			cbtn.color = ACTIVE_COLOR

	for btn in self._triggers:
		if not btn is ControllerTrigger:
			continue

		var cbtn := btn as ControllerTrigger
		cbtn.value = Input.get_joy_axis(0, cbtn.input_axis)