#if STEAMWORKSNET
using UnityEngine;
using Steamworks;

namespace MegaKoop.Steam
{
    /// <summary>
    /// Minimal Steam bootstrapper. Keeps SteamAPI initialized and runs callbacks.
    /// Add this to your bootstrap scene once.
    /// </summary>
    public class SteamManager : MonoBehaviour
    {
        public static SteamManager Instance { get; private set; }
        public static bool Initialized { get; private set; }

        private void Awake()
        {
            if (Instance != null && Instance != this)
            {
                Destroy(gameObject);
                return;
            }
            Instance = this;
            DontDestroyOnLoad(gameObject);

            try
            {
                Initialized = SteamAPI.Init();
            }
            catch (System.DllNotFoundException e)
            {
                Debug.LogError($"[SteamManager] Steamworks DLL not found: {e.Message}");
                Initialized = false;
            }

            if (!Initialized)
            {
                Debug.LogError("[SteamManager] SteamAPI.Init failed. Is Steam running? Is the app configured?");
            }
        }

        private void Update()
        {
            if (Initialized)
            {
                SteamAPI.RunCallbacks();
            }
        }

        private void OnDestroy()
        {
            if (Instance == this)
            {
                if (Initialized)
                {
                    SteamAPI.Shutdown();
                    Initialized = false;
                }
                Instance = null;
            }
        }
    }
}
#else
using UnityEngine;

namespace MegaKoop.Steam
{
    public class SteamManager : MonoBehaviour
    {
        private void Awake()
        {
            Debug.LogWarning("[SteamManager] STEAMWORKSNET define not set. Install Steamworks.NET and add Scripting Define Symbol 'STEAMWORKSNET'.");
        }
    }
}
#endif