extends CanvasLayer

@export var debug_spacing: int = 10  # Spacing between debug labels
var debug_labels: Dictionary = {} 
var instance_debug_visible: bool = false 

func _ready():
	# Connect the signal from DebugManager
	var debug_manager = get_node("/root/Main/DebugManager")
	if debug_manager:
		debug_manager.connect("toggle_instance_debug_signal", Callable(self, "_on_toggle_instance_debug"))
		print("Connected to toggle_instance_debug_signal from DebugManager.")
	else:
		print("Error: DebugManager not found!")

	# Connect existing debuggable nodes
	for node in get_tree().get_nodes_in_group("debuggable"):
		_connect_debuggable_node(node)

	# Listen for new debuggable nodes
	get_tree().connect("node_added", Callable(self, "_on_node_added"))

func _process(delta: float):
	# Update label positions to match their nodes
	for node_path in debug_labels.keys():
		var label = debug_labels[node_path]
		var node = null
		
		if get_node_or_null(node_path):
			node = get_node(node_path)
					
		# Update the label's position if the node exists
		if label and node:
			label.global_position = node.global_position + Vector2(100, -70)  # Position the label


func _on_toggle_instance_debug(debug_visible: bool):
	instance_debug_visible = debug_visible
	print("Received toggle_instance_debug_signal. Setting instance debug visibility to:", instance_debug_visible)
	for label in debug_labels.values():
		if label:
			label.visible = instance_debug_visible

func _on_node_added(node: Node):
	if node.is_in_group("debuggable"):
		_connect_debuggable_node(node)

func _connect_debuggable_node(node: Node):
	var node_path = str(node.get_path())

	if not debug_labels.has(node_path):
		var label = Label.new()
		label.visible = instance_debug_visible
		label.autowrap_mode = TextServer.AUTOWRAP_OFF
		label.horizontal_alignment = HorizontalAlignment.HORIZONTAL_ALIGNMENT_LEFT
		label.vertical_alignment = VerticalAlignment.VERTICAL_ALIGNMENT_TOP
		label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		label.custom_minimum_size = Vector2(400, 0)
		add_child(label)
		debug_labels[node_path] = label
		print("Created label for node:", node_path)

	# Connect the debug update signal
	if not node.is_connected("debug_updated", Callable(self, "_on_debug_updated")):
		node.connect("debug_updated", Callable(self, "_on_debug_updated"))
		print("Connected debug_updated signal for:", node_path)

func _on_debug_updated(node: Node, debug_text: String):
	var node_path = str(node.get_path())
	if debug_labels.has(node_path):
		var label = debug_labels[node_path]
		if label:
			label.text = debug_text
			label.visible = instance_debug_visible