class_name SteamworksManager
extends Node

## Steamworks integration for Nakama authentication only
## Used to get Steam auth session tickets for Nakama login/registration
## Steam singleton is provided by GodotSteam GDExtension

var is_steam_initialized: bool = false
var steam_app_id: int = ProjectSettings.get_setting("steam/initialization/app_id", 480)

func _ready() -> void:
	_initialize_steam()

func _initialize_steam() -> void:
	# Check if GodotSteam GDExtension is loaded
	if not ClassDB.class_exists("Steam"):
		push_error("SteamworksManager: GodotSteam GDExtension not found. Enable it in Project Settings > Plugins.")
		return
	
	# Use steamInitEx for proper initialization with status reporting
	var init_result: Dictionary = Steam.steamInitEx()
	var status: int = init_result.get("status", -1)
	var verbal: String = init_result.get("verbal", "Unknown error")
	
	if status == 0:
		is_steam_initialized = true
		print("SteamworksManager: Steam initialized (App ID: %s)" % steam_app_id)
	else:
		push_warning("SteamworksManager: Steam init failed [%d] - %s" % [status, verbal])
		print("SteamworksManager: Make sure Steam is running and App ID %s is valid" % steam_app_id)

func is_initialized() -> bool:
	return is_steam_initialized

## Auth Methods

func get_auth_session_ticket() -> String:
	if not is_steam_initialized:
		push_warning("SteamworksManager: Steam not initialized, cannot get auth ticket")
		return ""
	
	# getAuthSessionTicket returns a Dictionary in GodotSteam {"id": int, "buffer": PackedByteArray}
	var ticket_data = Steam.getAuthSessionTicket()
	if typeof(ticket_data) == TYPE_DICTIONARY:
		var buffer: PackedByteArray = ticket_data.get("buffer", PackedByteArray())
		if buffer.size() > 0:
			var ticket_hex = buffer.hex_encode()
			print("SteamworksManager: Got Steam auth session ticket")
			return ticket_hex
		push_error("SteamworksManager: Auth ticket buffer is empty")
		return ""
	elif typeof(ticket_data) == TYPE_STRING and not ticket_data.is_empty():
		print("SteamworksManager: Got Steam auth session ticket")
		return ticket_data
	else:
		push_error("SteamworksManager: Failed to get auth session ticket")
		return ""

func get_steam_user_name() -> String:
	if not is_steam_initialized:
		return ""
	return Steam.getPersonaName()

func get_steam_user_id() -> int:
	if not is_steam_initialized:
		return 0
	return Steam.getSteamID()

func _notification(what: int) -> void:
	if what == NOTIFICATION_WM_CLOSE_REQUEST:
		if is_steam_initialized:
			Steam.steamShutdown()