class_name Rebinding extends Node

@export var options : OptionsManager
@export var mouseblocker : Control
@export var cursor : CursorManager
@export var controller : ControllerManager
@export var rebindKeyArray : Array[Label]
@export var menu : MenuManager


func UpdateBindList():
	var map = InputMap
	for action in InputMap.get_actions():
		var action_bindname = action
		var bindkeys = InputMap.action_get_events(action)
		if (bindkeys.size() < 2): continue
		var bindkey_keyboard = bindkeys[0].as_text()
		var bindkey_controller = bindkeys[1].as_text()
		for ui in rebindKeyArray:
			if (ui.name == action_bindname):
				var keylabel = ui.get_parent().get_child(1)
				var bindbranch : RebindBranch = ui.get_parent().get_child(2)
				bindbranch.originalBind_keyboard = bindkeys[0]
				bindbranch.originalBind_controller = bindkeys[1]
				#print("-------------------------------------------------")
				#print("KEYBOARD bind branch: ", bindbranch.originalBind_keyboard)
				#print("CONTROLLER bind branch: ", bindbranch.originalBind_controller)
				var firstindex = bindkey_controller.rfind("(")
				bindkey_keyboard = bindkey_keyboard.trim_suffix("(Physical)")
				bindkey_keyboard = bindkey_keyboard.replace(" ", "")
				bindkey_controller = bindkey_controller.left(firstindex)
				keylabel.text = bindkey_keyboard + ", " + bindkey_controller
		options.ParseInputMapDictionary()

var globalparent
var previousKey
func GetRebind(parent : Node):
	menu.failsafed = false
	globalparent = parent
	controller.checkingForInput = false
	controller.SetRebindFocus(false)
	var ui_inputName = parent.get_child(0)
	var ui_inputKey = parent.get_child(1)
	previousKey = ui_inputKey.text
	mouseblocker.visible = true
	cursor.SetCursor(false, false)
	ui_inputKey.text = tr("PRESS ANY BUTTON REMAP")
	checkingForCancel = true
	waitingForAnyInput = true

var waitingForAnyInput
func _input(event):
	#if (event is InputEventKey): print("event keycode: ", event.as_text_key_label())
	#if (event is InputEventJoypadMotion): print("event axis value: ", event.axis_value)
	# and !event is InputEventJoypadMotion below
	if (waitingForAnyInput and !event is InputEventMouseMotion and event.is_pressed()):
		if (event is InputEventMouseButton && event.double_click): event.double_click = false
		#if (event is InputEventJoypadMotion): event.axis_value = 0
		#if (event is InputEventKey): print("KEY. SCANCODE: ", event.scancode)
		#if (event is InputEventJoypadButton): print("CONTROLLER. ")
		#return
		var newEventToBind = event
		var parent = globalparent
		var ui_inputName = parent.get_child(0).name
		var branch = parent.get_child(2)
		var originalkey_keyboard = branch.originalBind_keyboard
		var originalkey_controller = branch.originalBind_controller
		var activeKeyName = originalkey_controller
		var actionIndex = 1
		var assigningKeyboard = !event is InputEventJoypadButton and !event is InputEventJoypadMotion
		var checkingMouse = event is InputEventMouseButton
		if (assigningKeyboard): 
			activeKeyName = originalkey_keyboard
			actionIndex = 0
		var binds = InputMap.action_get_events(ui_inputName)
		var firstEvent = originalkey_keyboard
		var secondEvent = originalkey_controller
		if (assigningKeyboard): firstEvent = newEventToBind
		else: secondEvent = newEventToBind
		InputMap.action_erase_events(ui_inputName)
		InputMap.action_add_event(ui_inputName, firstEvent)
		InputMap.action_add_event(ui_inputName, secondEvent)
		
		#CHECK IF OVERWRITING KEY
		var currentAction = ui_inputName
		var currentBind = newEventToBind
		var bindIndex = 1
		if (assigningKeyboard): bindIndex = 0
		#print("--------------------------------------------------")
		for action in InputMap.get_actions():
			if (action != currentAction):
				var bindkeys = InputMap.action_get_events(action)
				if (bindkeys.size() < 2): continue
				#print("ACTIVE ACTION....", action, " ....BIND KEYS BIND INDEX.... ", bindkeys[bindIndex].as_text(), " ....CURRENT BIND.... ", currentBind.as_text())
				if (bindkeys[bindIndex].as_text() == currentBind.as_text()):
					SwapBind(bindkeys[0], bindkeys[1], action, assigningKeyboard, originalkey_keyboard, originalkey_controller)
		
		UpdateBindList()
		ReturnFromRebind()

func SwapBind(firstevent : InputEvent, secondevent : InputEvent, _action : String, _assigningKeyboard : bool, original_keyboard : InputEvent, original_cntrl : InputEvent):
	InputMap.action_erase_events(_action)
	if (_assigningKeyboard): firstevent = original_keyboard
	else: secondevent = original_cntrl
	InputMap.action_add_event(_action, firstevent)
	InputMap.action_add_event(_action, secondevent)

func ReturnFromRebind():
	waitingForAnyInput = false
	await get_tree().create_timer(.1, false).timeout
	var parent = globalparent
	controller.checkingForInput = true
	controller.SetRebindFocus(true)
	mouseblocker.visible = false
	cursor.SetCursor(true, false)
	menu.failsafed = true

var checkingForCancel
func CancelRebind():
	var parent = globalparent
	parent.get_child(1).text = previousKey
	controller.checkingForInput = true
	controller.SetRebindFocus(true)
	mouseblocker.visible = false
	cursor.SetCursor(true, false)
	checkingForCancel = false
	#await get_tree().create_timer(1, false).timeout
	menu.failsafed = true

var cancelAllowed = false
func _unhandled_input(event):
	if (event.is_action_pressed("ui_cancel") && checkingForCancel && cancelAllowed):
		CancelRebind()