extends Control

var display_text = """
PAUSING OPERATION ...
---------------------------------------
"""

signal continue_game
signal restart_game
signal back_to_main_menu

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 buttons = []
var current_scene = null
var pause_menu_node = null

@onready var typing_sound_player = $TypingSoundPlayer

func _ready():
	current_scene = get_tree().current_scene
	
	pause_menu_node = get_parent()

	for hbox in $VBoxContainer/Buttons.get_children():
		hbox.visible = false

	Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
	_initialize_menu()
	_start_typing()

func _initialize_menu():
	buttons = $VBoxContainer/Buttons.get_children()
	_update_button_visibility()

func _update_button_visibility():
	for i in range(len(buttons)):
		var hbox_container = buttons[i]
		var label_node = hbox_container.get_child(0)
		if label_node != null:
			label_node.visible = (i == current_button_index)

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("pause"):
			#toggle_pause_menu()

		if event.is_action_pressed("ui_down"):
			navigate_menu(1)
		elif event.is_action_pressed("ui_up"):
			navigate_menu(-1)

		if event.is_action_pressed("ui_accept"):
			buttons[current_button_index].get_child(1).emit_signal("pressed")

func _process(_delta: float) -> void:
	if not is_typing and Input.is_action_pressed("ui_accept"):
		typing_speed = fast_typing_speed

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

func _update_text() -> void:
	if char_index < display_text.length():
		current_text += display_text[char_index]
		$VBoxContainer/VBoxContainer2/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:
	for hbox in $VBoxContainer/Buttons.get_children():
		hbox.visible = true
	grab_focus()  

func _show_full_text() -> void:
	current_text = display_text
	$VBoxContainer/VBoxContainer2/Label.text = current_text
	char_index = display_text.length()
	is_typing = false
	_show_menu_options()

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

func toggle_pause_menu():
	if pause_menu_node.visible:
		_on_continue_button_pressed()
	else:
		pause_menu_node.visible = true
		get_tree().paused = true
		grab_focus()  

func _on_continue_button_pressed():
	pause_menu_node.visible = false  
	get_tree().paused = false  

func _on_restart_button_pressed():
	emit_signal("restart_game")  

func _on_back_to_main_menu_button_pressed():
	emit_signal("back_to_main_menu") 

func navigate_menu(direction: int) -> void:
	current_button_index = (current_button_index + direction + buttons.size()) % buttons.size()
	_update_button_visibility()