extends CanvasLayer

const SAVE_DIR = "res://saves/"
var save_path1 = SAVE_DIR + "save1.txt"
var save_path2 = SAVE_DIR + "save2.txt"
var save_path3 = SAVE_DIR + "save3.txt"

var helper : String

onready var selector1Grup1 = $One/VBoxContainer/HBoxContainer/selector
onready var Text1Grup1 = $One/VBoxContainer/HBoxContainer/Text
onready var selector2Grup1 = $One/VBoxContainer/HBoxContainer2/selector
onready var Text2Grup1 = $One/VBoxContainer/HBoxContainer2/Text
onready var selector1Grup2 = $Two/VBoxContainer/HBoxContainer/selector
onready var Text1Grup2 = $Two/VBoxContainer/HBoxContainer/Text
onready var selector2Grup2 = $Two/VBoxContainer/HBoxContainer2/selector
onready var Text2Grup2 = $Two/VBoxContainer/HBoxContainer2/Text
onready var selector1Grup3 = $Three/VBoxContainer/HBoxContainer/selector
onready var Text1Grup3 = $Three/VBoxContainer/HBoxContainer/Text
onready var selector2Grup3 = $Three/VBoxContainer/HBoxContainer2/selector
onready var Text2Grup3 = $Three/VBoxContainer/HBoxContainer2/Text

onready var move = $AudioStreamPlayer
onready var select = $AudioStreamPlayer2
onready var selector = $CenterContainer/HBoxContainer/selector

signal Health_Changed(value)

var current_selection = 0
var current = 0

func _ready():
	get_tree().paused = true
	set_current_selection(current_selection)
	check_state(save_path1, Text1Grup1)
	check_state(save_path2, Text1Grup2)
	check_state(save_path3, Text1Grup3)


func _process(_delta):
	left_right()
	check_state(save_path1, Text1Grup1)
	check_state(save_path2, Text1Grup2)
	check_state(save_path3, Text1Grup3)
	match current_selection:
		0:
			handle_the_continue(selector1Grup1, selector2Grup1)
			handle_selection(save_path1)
		1:
			handle_the_continue(selector1Grup2, selector2Grup2)
			handle_selection(save_path2)
		2:
			handle_the_continue(selector1Grup3, selector2Grup3)
			handle_selection(save_path3)
		3:
			if Input.is_action_just_pressed("ui_accept"):
				get_tree().paused = false
				queue_free()

func handle_selection(_save_path):
	if current == 0 and Input.is_action_just_pressed("ui_accept"):
		var file = File.new()
		if file.file_exists(_save_path):
			get_tree().paused = false
			var aux = _load_data(_save_path)
			SceneSaving.health_loaded = aux.current_health
			SceneSaving.max_health_loaded = aux.max_health
			var _haha = get_tree().change_scene(aux.current_scene)
			SceneSaving.player_position_loaded = Vector2(aux.player_coord_x, aux.player_coord_y)

			emit_signal("Health_Changed", SceneSaving.health_loaded)
		else:
			_save_data(_save_path)
	elif current == 1 and Input.is_action_just_pressed("ui_accept"):
		delete(current_selection)

func left_right():
	if Input.is_action_just_pressed("ui_left") and current_selection > 0:
		current_selection -= 1
		move.play()
		set_current_selection(current_selection)
	elif Input.is_action_just_pressed("ui_right") and current_selection < 3:
		current_selection += 1
		move.play()
		set_current_selection(current_selection)

func set_current_selection(_current_selection : int) -> void:
	selector1Grup1.text = ""
	selector2Grup1.text = ""
	selector1Grup2.text = ""
	selector2Grup2.text = ""
	selector1Grup3.text = ""
	selector2Grup3.text = ""
	selector.text = ""
	match _current_selection:
		0:
			selector1Grup1.text = ">"
		1:
			selector1Grup2.text = ">"
		2:
			selector1Grup3.text = ">"
		3:
			selector.text = ">"

func handle_the_continue(_text: Label, _text1:Label) ->void:
	if Input.is_action_just_pressed("ui_down") and current < 1:
		current+=1
		if current == 1:
			_text.text = ""
			_text1.text = ">"
		move.play()
	elif Input.is_action_just_pressed("ui_up") and current > 0:
		current-=1
		if current == 0:
			_text.text = ">"
			_text1.text = ""
		move.play()
	elif Input.is_action_just_pressed("ui_right") or Input.is_action_just_pressed("ui_left"):
		current = 0

func delete(_current):
	var dir = Directory.new()
	match _current:
		0:
			dir.remove(save_path1)
			print("deleted succsesfully")
		1:
			dir.remove(save_path2)
			print("deleted succsesfully")
		2:
			dir.remove(save_path3)
			print("deleted succsesfully")

func _save_data(_save_path):
	var dataw = {
		"max_health" : PlayerStats.max_health,
		"current_health" : PlayerStats.health,
		"current_scene" : SceneSaving.SceneSaver,
		"player_coord_x" : SceneSaving.PlayerPosition.x,
		"player_coord_y" : SceneSaving.PlayerPosition.y
	}

	var dir = Directory.new()
	if !dir.dir_exists(SAVE_DIR):
		dir.make_dir_recursive(SAVE_DIR)

	var file = File.new()
	var error = file.open(_save_path, File.WRITE)
	if error == OK:
		if not file.file_exists(_save_path):
			file.store_var(dataw)
	file.close()

func _load_data(_save_path):
	var file = File.new()
	if file.file_exists(_save_path):
		var error = file.open(_save_path, File.READ)
		if error == OK:
			return file.get_var()
	file.close()

func check_state(_save_path, _data : Label):
	var file = File.new()
	if file.file_exists(_save_path):
		_data.text = "Continue"
	else:
		_data.text = "Empty"