extends Node

const SETTINGS_FILE = "user://settings.vars" # user:// path varies depending on operating system. See https://docs.godotengine.org/en/latest/tutorials/io/data_paths.html#accessing-persistent-user-data-user

var settings_template = { # Default values if we don't already have a settings file. Assigned in save_data()
'mousesense': 0.01,
'playername' : "player",
'volume' : 0.5
}

var settings_data = {} # This gets filled as soon as load_data() is called.

func _ready():
	check_data()
	load_data()

func check_data(): # Makes sure the save file exists
	var file = FileAccess.open(SETTINGS_FILE, FileAccess.READ) #If we write, it writes an empty file over our existing one
	if not file: # If there's no file, let's create one with FileAccess.WRITE
		if OS.has_environment("USERNAME"):
			print("env has USERNAME var")
			settings_template["playername"] = OS.get_environment("USERNAME")
		elif OS.has_environment("USER"):
			print("env has USER var")
			settings_template["playername"] = OS.get_environment("USER")
		else:
			print("env has no known user var")
		print("file does not exist, let's create one!")
		var file2 = FileAccess.open(SETTINGS_FILE, FileAccess.WRITE)
		file2.store_line(JSON.stringify(settings_template)) # Writes settings_template to our file SETTINGS_FILE

func save_data(mousesense, playername, volume): # It's required you pass both the mouse sensitivity and the player name to save current data
	var file = FileAccess.open(SETTINGS_FILE, FileAccess.WRITE)
	settings_data['mousesense'] = mousesense
	settings_data['playername'] = playername
	settings_data['volume'] = volume
	file.store_line(JSON.stringify(settings_data))

func load_data():
	var file = FileAccess.open(SETTINGS_FILE, FileAccess.READ)
	settings_data = JSON.parse_string(file.get_line())
	print(settings_data)
	var mousesense = settings_data['mousesense']
	var playername = settings_data['playername']
	var volume = settings_data['volume']
	Global.mouseSensitivity = mousesense
	Global.playerName = playername
	Global.volumeModifer = volume