# Handles background inputs (inputs when unfocused)

extends Node

signal key_pressed(key: Key)
signal key_released(key: Key)
signal all_keys_released
#background input capture
signal emptiedCapture
signal pressedKey
var costumeKeys = ["1","2","3","4","5","6","7","8","9","0"]

var pressed_keys: Array[Key] = []

func should_fire_signal() -> bool:
	return get_viewport().gui_get_focus_owner() == null or not DisplayServer.window_is_focused()

func _process(_delta):
	# This is a Dictionary[Key, bool] but I can't return typed dicts nor cast them
	var keys = BackgroundInputCapture.get_keys()
	for key in keys:
		if keys[key]:
			pressed_keys.append(key)
			if should_fire_signal():
				key_pressed.emit(key)
		else:
			pressed_keys.erase(key)
			if should_fire_signal():
				key_released.emit(key)
	#process_key_presses(keys)
	#bgInputSprite(keys)
#
#func process_key_presses(keys_pressed: Dictionary[Key, bool]):
	#if Global.main.fileSystemOpen:
		#return
	#
	#var keyStrings = keys_pressed.map(
		#func(i) -> String: return OS.get_keycode_string(i) if !OS.get_keycode_string(i).strip_edges().is_empty() else "Keycode" + str(i)
	#)
	#
	#if keyStrings.size() <= 0:
		#emit_signal("emptiedCapture")
		#return
	#
	#if settingsMenu.awaitingCostumeInput >= 0:
		#
		#if keyStrings[0] == "Keycode1":
			#if !settingsMenu.hasMouse:
				#emit_signal("pressedKey")
				#return
		#
		#var currentButton = costumeKeys[settingsMenu.awaitingCostumeInput]
		#costumeKeys[settingsMenu.awaitingCostumeInput] = keyStrings[0]
		#Saving.settings["costumeKeys"] = costumeKeys
		#Global.pushUpdate("Changed costume " + str(settingsMenu.awaitingCostumeInput+1) + " hotkey from \"" + currentButton + "\" to \"" + keyStrings[0] + "\"")
		#emit_signal("pressedKey")
	#
	#for key in keyStrings:
		#var i = costumeKeys.find(key)
		#if i >= 0:
			#changeCostume(i+1)
	#
#
## Handles background input for sprites
#func bgInputSprite(keys_pressed: Dictionary[Key, bool]):
	#if fileSystemOpen:
		#return
	#
	#if keys_pressed.size() <= 0:
		#emit_signal("all_keys_released")
		#return
	#
	#spriteVisToggles.emit(
		#keys_pressed.map(
			#func(i) -> String: return OS.get_keycode_string(i) if !OS.get_keycode_string(i).strip_edges().is_empty() else "Keycode" + str(i)
		#)
	#)