using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Apple.Core.Runtime;

#if UNITY_IOS
using Apple.GameKit;
#endif


public class GameCenterManager : MonoBehaviour
{
    public static GameCenterManager Instance { get; private set; }
    public bool isAuthenticated = false;

    private GKLocalPlayer.AuthenticateHandler authenticateHandler;
    //private GKLocalPlayer.AuthenticateErrorHandler authenticateErrorHandler;

    private void Awake()
    {
#if UNITY_IOS
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
        }
#endif
    }

#if UNITY_IOS
    private async void Start()
    {
        if (Instance == this)
            InitializeGameCenterManager();
}
#endif

    private void OnEnable()
    {
#if UNITY_IOS
        authenticateHandler += AuthenticationSuccess;
        GKLocalPlayer.AuthenticateError += AuthenticationError;
#endif
    }

    private void OnDisable()
    {
#if UNITY_IOS
        authenticateHandler -= AuthenticationSuccess;
        GKLocalPlayer.AuthenticateError -= AuthenticationError;
#endif
    }

#if UNITY_IOS
    private async void InitializeGameCenterManager()
    {
        try
        {
            var player = await GKLocalPlayer.Authenticate();
        }
        catch(GameKitException exception)
        {
            Debug.LogError("EXCEPTIONI: " + exception);
            Debug.LogError("INNER: " + exception.InnerException);
        }
    }
#endif

#if UNITY_IOS
    private void AuthenticationSuccess(GKLocalPlayer localPlayer)
    {
        isAuthenticated = localPlayer.IsAuthenticated;
        if (isAuthenticated)
        {
            Debug.Log("AUTHENTICATION PASSED!!");
        }
        else
        {
            Debug.Log("AUTHENTICATION FAILED!!!");
        }
    }
#endif

#if UNITY_IOS
    private void AuthenticationError(NSError error)
    {
        isAuthenticated = false;
        Debug.Log("AUTHENTICATION FAILED Error: " + error.Code);
    }
#endif
}