extends CanvasLayer

var _chat_ui: Control
var _chat_ui_prev_mouse_filter: int = Control.MOUSE_FILTER_STOP
var _chat_ui_mouse_disabled: bool = false

func _ready():
	_disable_chat_ui_mouse_input()

	# Connect close button (X)
	var header_close = find_child("CloseButton", true, false)
	if header_close:
		header_close.pressed.connect(_on_close_pressed)
		
	# Connect Start button
	var start_btn = find_child("StartButton", true, false)
	if start_btn:
		start_btn.pressed.connect(_on_close_pressed)

func _exit_tree():
	_restore_chat_ui_mouse_input()

func _on_close_pressed():
	queue_free()

func _input(event):
	# Allow ESC to close
	if event.is_action_pressed("ui_cancel"):
		queue_free()

func _disable_chat_ui_mouse_input():
	var current_scene = get_tree().current_scene
	if current_scene:
		_chat_ui = current_scene.get_node_or_null("UILayer/ChatUI") as Control

	if _chat_ui == null:
		_chat_ui = get_tree().root.find_child("ChatUI", true, false) as Control

	if _chat_ui:
		_chat_ui_prev_mouse_filter = _chat_ui.mouse_filter
		_chat_ui.mouse_filter = Control.MOUSE_FILTER_IGNORE
		_chat_ui_mouse_disabled = true

func _restore_chat_ui_mouse_input():
	if _chat_ui_mouse_disabled and is_instance_valid(_chat_ui):
		_chat_ui.mouse_filter = _chat_ui_prev_mouse_filter

	_chat_ui_mouse_disabled = false
	_chat_ui = null