extends Node

var config = ConfigFile.new()

var FOV : float = 80
var msaa : int = 1
var ssaa : int = 1
var scaling : int = 0
var theme : int = 0
var shadows : int = 1
var title_music : int = 1
var title_dynamic : int = 1
var mouse_sens : float = 1.0

var theme_index = [
	"res://UI/Themes/Dark.tres",
	"res://UI/Themes/Light.tres",
	"res://UI/Themes/AppleII.tres",
	"res://UI/Themes/HotDogStand.tres"
]

var background_index = [
	"res://UI/MenuBG/1StageBG.png",
	"res://UI/MenuBG/BalconyBG.png",
	"res://UI/MenuBG/CStageBG.png",
	"res://UI/MenuBG/ProtoRoadBG.png",
	"res://UI/MenuBG/2StageBG.png",
	"res://UI/MenuBG/12StageBG.png",
	"res://UI/MenuBG/Mini1StageBG.png",
	"res://UI/MenuBG/Cyber3StageBG.png",
]

func _ready() -> void:
	msaa = get_viewport().msaa_3d
	ssaa = get_viewport().screen_space_aa
	loadConfig()

func updateConfig():
	msaa = get_viewport().msaa_3d
	ssaa = get_viewport().screen_space_aa
	config.set_value("GRAPHICS", "fov", FOV)
	config.set_value("GRAPHICS", "msaa", msaa)
	config.set_value("GRAPHICS", "ssaa", ssaa)
	config.set_value("GRAPHICS", "shadows", shadows)
	config.set_value("INTERFACE", "scaling", scaling)
	config.set_value("INTERFACE", "theme", theme)
	config.set_value("INTERFACE", "title_music", title_music)
	config.set_value("INTERFACE", "title_dynamic", title_dynamic)
	config.set_value("INPUT", "mouse_sens", mouse_sens)
	config.save("user://settings.cfg")

func loadConfig():
	var err = config.load("user://settings.cfg")
	print("loading config...")
	if err != OK:
		print("Couldn't load config!")
		return
	
	FOV = config.get_value("GRAPHICS", "fov")
	msaa = config.get_value("GRAPHICS", "msaa")
	ssaa = config.get_value("GRAPHICS", "ssaa")
	shadows = config.get_value("GRAPHICS", "shadows")
	scaling = config.get_value("INTERFACE", "scaling")
	theme = config.get_value("INTERFACE", "theme")
	title_music = config.get_value("INTERFACE", "title_music")
	title_dynamic = config.get_value("INTERFACE", "title_dynamic")
	mouse_sens = config.get_value("INPUT", "mouse_sens")
	
	print("config loaded.")
	
	# set msaa
	match (msaa):
		0:
			get_viewport().msaa_3d = Viewport.MSAA_DISABLED
		1:
			get_viewport().msaa_3d = Viewport.MSAA_2X
		2:
			get_viewport().msaa_3d = Viewport.MSAA_4X
		3:
			get_viewport().msaa_3d = Viewport.MSAA_8X
	
	get_viewport().screen_space_aa = ssaa as Viewport.ScreenSpaceAA
	get_window().content_scale_mode = scaling as Window.ContentScaleMode