## SPDX-License-Identifier: GPL-3.0-or-later
## Copyright (c) 2024 interstellardevelopment.org

extends Node

# This tells the game what the logmode is.
# 0 -> None
# 1 -> Errors
# 2 -> Errors/Warnings
# 3 -> Errors/Warnings/Infos
# 4 -> All
var logmode: int = 3

var ip: String = "127.0.0.1"
var port: int = 25262
var max_clients: int = 1024

var roomname: String = ""
var username: String = ""
var mapname: String = "Testmap"

var launchmode: int = 0

func _ready() -> void:
	Log.info("Running on: %s %s (%s)" % [OS.get_distribution_name(), OS.get_version(), OS.get_name()])
	randomize()
	load_settings()
	var args: PackedStringArray = OS.get_cmdline_args()
	var skip: bool = false
	for i: int in range(args.size()):
		if !skip:
			Log.info("Argument %s passed." % args[i])
			match args[i]:
				"--logmode":
					logmode = int(args[i+1])
					skip = true
				"--username":
					username = args[i+1]
					skip = true
				"--server":
					launchmode = 2
				"--client":
					launchmode = 1
				"res://start.tscn":
					pass # Catch in order to prevent a warning.
				_:
					Log.warning("Unknown argument: %s!" % args[i])
		else:
			skip = false
	
	if DisplayServer.get_name() == "headless":
		launchmode = 2
	
	if OS.is_debug_build():
		logmode = 4
	
	match launchmode:
		0:
			# Menu
			if get_tree().change_scene_to_file("res://scenes/ui/main_menu.tscn") != OK:
				Log.error("Couldn't change to the main menu scene! Closing application.", "Couldn't change to the main menu scene!")
		1:
			# Client with direct join
			Networking.join_room()
		2:
			# Server
			if Networking.start_server() != OK:
						Log.error("Failed to start server! Closing application.", "Failed to start server!")

func save_settings() -> void:
	var to_save: Dictionary = {
		"ip": ip,
		"roomname": roomname,
		"username": username,
	}
	var to_save_string: String = JSON.stringify(to_save)
	var save_file: FileAccess = FileAccess.open("user://save.json", FileAccess.WRITE)
	if save_file == null:
		Log.warning("Couldn't save the json.")
		return
	save_file.store_string(to_save_string)

func load_settings() -> void:
	var save_file: FileAccess = FileAccess.open("user://save.json", FileAccess.READ)
	if save_file == null:
		Log.warning("Couldn't open the json save.")
		return
	var json_string: String = save_file.get_as_text()
	var json: JSON = JSON.new()
	if json.parse(json_string) != OK:
		Log.warning("Couldn't parse the json save.")
		return
	var data: Dictionary = json.data
	ip = data["ip"]
	roomname = data["roomname"]
	username = data["username"]