#if UNITY_NETCODE || NETCODE_PRESENT
using System;
using System.Reflection;
using UnityEngine;
using Unity.Netcode;

namespace MegaKoop.Networking
{
    /// <summary>
    /// Reflection-based adapter that tries to configure your Steam transport (attached to NetworkManager)
    /// for host/client using provided SteamIDs. If it can't find a known method, it logs a clear instruction.
    /// Replace this with a strongly typed adapter when you pick a specific Steam transport.
    /// </summary>
    public class SteamNGOAdapter : MonoBehaviour, ISteamNGOAdapter
    {
        private object Transport => NetworkManager.Singleton ? NetworkManager.Singleton.NetworkConfig.NetworkTransport : null;

        public void ConfigureHost(ulong hostSteamId)
        {
            var t = Transport;
            if (t == null)
            {
                Debug.LogWarning("[SteamNGOAdapter] NetworkTransport not found on NetworkManager.");
                return;
            }
            if (TryInvoke(t, "ConfigureHost", hostSteamId)) return;
            if (TryInvoke(t, "SetHostSteamId", hostSteamId)) return;
            if (TryInvoke(t, "SetServerSteamId", hostSteamId)) return;
            if (TryInvoke(t, "InitAsServer", hostSteamId)) return;
            Debug.LogWarning("[SteamNGOAdapter] Could not configure host on transport via reflection. Please implement host configuration for your transport.");
        }

        public void ConfigureClient(ulong hostSteamId)
        {
            var t = Transport;
            if (t == null)
            {
                Debug.LogWarning("[SteamNGOAdapter] NetworkTransport not found on NetworkManager.");
                return;
            }
            if (TryInvoke(t, "ConfigureClient", hostSteamId)) return;
            if (TryInvoke(t, "SetClientSteamId", hostSteamId)) return;
            if (TryInvoke(t, "ConnectToSteamId", hostSteamId)) return;
            if (TryInvoke(t, "InitAsClient", hostSteamId)) return;
            Debug.LogWarning("[SteamNGOAdapter] Could not configure client on transport via reflection. Please implement client configuration for your transport.");
        }

        private bool TryInvoke(object target, string methodName, ulong steamId)
        {
            var mi = target.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static);
            if (mi == null) return false;
            try
            {
                if (mi.IsStatic)
                    mi.Invoke(null, new object[] { steamId });
                else
                    mi.Invoke(target, new object[] { steamId });
                Debug.Log($"[SteamNGOAdapter] Invoked {target.GetType().Name}.{methodName}({steamId})");
                return true;
            }
            catch (Exception e)
            {
                Debug.LogWarning($"[SteamNGOAdapter] Invoke {methodName} failed: {e.Message}");
                return false;
            }
        }
    }
}
#endif