using AppleAuth;
using AppleAuth.Enums;
using AppleAuth.Extensions;
using AppleAuth.Interfaces;
using AppleAuth.Native;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using UnityEngine;

public class UILogin : UIBase
{
    private const string AppleUserIdKey = "AppleUserId";
    private IAppleAuthManager _appleAuthManager;



    public override void OnOpen(params object[] args) {
        // If the current platform is supported
        if (AppleAuthManager.IsCurrentPlatformSupported)
        {
            // Creates a default JSON deserializer, to transform JSON Native responses to C# instances
            var deserializer = new PayloadDeserializer();
            // Creates an Apple Authentication manager with the deserializer
            this._appleAuthManager = new AppleAuthManager(deserializer);
        }

        if (PlayerPrefs.HasKey(AppleUserIdKey))
        {
            var storedAppleUserId = PlayerPrefs.GetString(AppleUserIdKey);
            this.CheckCredentialStatusForUserId(storedAppleUserId);
        }
    }
    public override void OnClose() { }

    private void Update()
    {
        // Updates the AppleAuthManager instance to execute
        // pending callbacks inside Unity's execution loop
        if (this._appleAuthManager != null)
        {
            this._appleAuthManager.Update();
        }
    }

    public void ClickIOSLoginBtn()
    {
        Debug.Log("IOS Login Clicked");      
        SignInWithApple();
    }

    private void CheckCredentialStatusForUserId(string appleUserId)
    {
        // If there is an apple ID available, we should check the credential state
        this._appleAuthManager.GetCredentialState(
            appleUserId,
            state =>
            {
                switch (state)
                {
                    // If it's authorized, login with that user id
                    case CredentialState.Authorized:
                        this.SetupGameMenu(appleUserId, null);
                        return;

                    // If it was revoked, or not found, we need a new sign in with apple attempt
                    // Discard previous apple user id
                    case CredentialState.Revoked:
                    case CredentialState.NotFound:
                        PlayerPrefs.DeleteKey(AppleUserIdKey);
                        return;
                }
            },
            error =>
            {
                var authorizationErrorCode = error.GetAuthorizationErrorCode();
                Debug.LogWarning("Error while trying to get credential state " + authorizationErrorCode.ToString() + " " + error.ToString());
            });
    }

    private void SignInWithApple()
    {
        var loginArgs = new AppleAuthLoginArgs(LoginOptions.IncludeEmail | LoginOptions.IncludeFullName);

        this._appleAuthManager.LoginWithAppleId(
            loginArgs,
            credential =>
            {
                // If a sign in with apple succeeds, we should have obtained the credential with the user id, name, and email, save it
                PlayerPrefs.SetString(AppleUserIdKey, credential.User);
                this.SetupGameMenu(credential.User, credential);
            },
            error =>
            {
                var authorizationErrorCode = error.GetAuthorizationErrorCode();
                Debug.LogWarning("Sign in with Apple failed " + authorizationErrorCode.ToString() + " " + error.ToString());

            });
    }

    private void SetupGameMenu(string appleUserId, ICredential credential)
    {
        //var appleIdCredential = credential as IAppleIDCredential;
        //var passwordCredential = receivedCredential as IPasswordCredential;
        GameData.Instance.appleUserId = appleUserId;
        GameData.Instance.isYouke = false;
        UIManager.Instance.OpenUI<UIMainMenu>();
    }

    public void ClickYkLoginBtn()
    {
        Debug.Log("YouKe Login Clicked");
        //GameData.Instance.username = "visitor";
        GameData.Instance.appleUserId = "123";
        GameData.Instance.isYouke = false;
        UIManager.Instance.OpenUI<UIMainMenu>();
    }
}