extends Control

var credits_text = """
CREDITS:
-----------
Programming: Jannis, Fabio
Pixel Art : Leon 
Music: TBN

"""

var current_text = ""
var char_index = 0
var typing_speed = 0.05  
var fast_typing_speed = 0.0001  
var last_click_time = 0.0
var double_click_time = 0.3  
var is_typing = true
var current_button_index = 0
var button

@onready var typing_sound_player = $TypingSoundPlayer

func _ready():
	_initialize_menu()
	_start_typing()

func _initialize_menu():
	button = $VBoxContainer/BackToMenu
	_update_button_visibility()
	_blink_current_button()

func _update_button_visibility():
	var hbox_container = button
	var label_node = hbox_container.get_child(0)
	if label_node != null:
		label_node.visible

func _process(_delta: float) -> void:
	if not is_typing:  
		if Input.is_action_pressed("ui_accept"):
			typing_speed = fast_typing_speed
	
func _blink_current_button() -> void:
	while true:
		var hbox_container = button
		var label_node = hbox_container.get_child(0)
		if label_node != null:
			label_node.visible = true
		await get_tree().create_timer(0.5).timeout
		if label_node != null:
			label_node.visible = false
		await get_tree().create_timer(0.5).timeout

func _unhandled_input(event: InputEvent) -> void:
	if is_typing:
		if event is InputEventKey and event.is_pressed():
			if get_time_since_last_click() <= double_click_time:
				_show_full_text()
			else:
				typing_speed = fast_typing_speed
		elif event is InputEventKey and not event.is_pressed():
			typing_speed = 0.05  
	else:
		if event.is_action_pressed("ui_accept"):
			button.get_child(1).emit_signal("pressed")

func _start_typing() -> void:
	current_text = ""
	char_index = 0
	is_typing = true
	_update_text()

func _update_text() -> void:
	if char_index < credits_text.length():
		current_text += credits_text[char_index]
		$VBoxContainer/Label.text = current_text
		
		if typing_sound_player and not typing_sound_player.is_playing():
			typing_sound_player.play()
			
		char_index += 1
		await get_tree().create_timer(typing_speed).timeout
		_update_text()
	else:
		is_typing = false
		_show_menu_options()

func _show_menu_options() -> void:
	$VBoxContainer/BackToMenu.visible = true

func _return_to_main_menu() -> void:
	get_tree().change_scene_to_file("res://menu/main_menu/MainMenu.tscn")

func _show_full_text() -> void:
	current_text = credits_text
	$VBoxContainer/Label.text = current_text
	char_index = credits_text.length()
	is_typing = false
	_show_menu_options()

func get_time_since_last_click() -> float:
	var current_time = Time.get_ticks_msec() / 1000.0  # Zeit in Sekunden
	var time_since_last_click = current_time - last_click_time
	last_click_time = current_time
	return time_since_last_click