using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using Google;
using UnityEngine;
using UnityEngine.UI;

public class LoginManager : MonoBehaviour
{
    public Text txtChangeLogin;
    public Text txtLogin;
    public InputField usernameInput,passwordInput;
    public GameObject loadingPanel;
    void Awake(){
        loadingPanel.SetActive(true);

        // PlayGamesPlatform.Activate();
        // LoginGooglePlayGames();
        configuration = new GoogleSignInConfiguration {
            WebClientId = "143863534373-b4f6l0esj5jr7kl2m66bkd0je21fsp7s.apps.googleusercontent.com",
            RequestIdToken = false,
            RequestEmail=true,
        };
    }
//     public void LoginGooglePlayGames()
//     {
//         PlayGamesPlatform.Instance.Authenticate((success) =>
//         {
//             if (success == SignInStatus.Success)
//             {
//                 Debug.Log("Login with Google Play games successful.");
//                 PlayGamesPlatform.Instance.Get
//                 PlayGamesPlatform.Instance.RequestServerSideAccess(true, code =>
//                 {
//                     Debug.Log("Authorization code: " + code);
//                     // Token = code;
//                     StartCoroutine(DoneLogin(task.Result.Email));

// // This token serves as an example to be used for SignInWithGooglePlayGames
//                 });
//             }
//             else
//             {
//                 MessageBox.ShowMessage("Failed to retrieve Google play games authorization code", "Error Auth");
//                 Debug.Log("Login Unsuccessful");
//             }
//         });
//     }

    async void Start(){
      // DataManager.GoogleLogin("sewmina7d@gmail.com");
      // return;
        if(PlayerPrefs.HasKey("username") && PlayerPrefs.HasKey("password")){
            int result = await DataManager.Login(PlayerPrefs.GetString("username"), PlayerPrefs.GetString("password"));
            if(result == 0){return;}
        }

        loadingPanel.SetActive(false);
    }

    public async void Login(){

        if(usernameInput.text.Length < 4 || passwordInput.text.Length < 4){
          MessageBox.ShowMessage("Username and Password must be longer than 4 characters","Invalid Input");
          return;
        }
        loadingPanel.SetActive(true);

        int result = await DataManager.Login(usernameInput.text, passwordInput.text);
        if(result == 0){return;}

        loadingPanel.SetActive(false);
    }

    public async void Register(){
        loadingPanel.SetActive(true);

        int result = await DataManager.Login(usernameInput.text, passwordInput.text);
        if(result == 0){return;}

        loadingPanel.SetActive(false);
    }

     private GoogleSignInConfiguration configuration;

    public void OnSignIn() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = false;
      GoogleSignIn.Configuration.RequestIdToken = true;
      // AddStatusText("Calling SignIn");

      GoogleSignIn.DefaultInstance.SignIn().ContinueWith(
        OnAuthenticationFinished);
    }

    public void OnSignOut() {
      // AddStatusText("Calling SignOut");
      GoogleSignIn.DefaultInstance.SignOut();
    }

    public void OnDisconnect() {
      // AddStatusText("Calling Disconnect");
      GoogleSignIn.DefaultInstance.Disconnect();
    }

    internal void OnAuthenticationFinished(Task<GoogleSignInUser> task) {
      if (task.IsFaulted) {
        using (IEnumerator<System.Exception> enumerator =
                task.Exception.InnerExceptions.GetEnumerator()) {
          if (enumerator.MoveNext()) {
            GoogleSignIn.SignInException error =
                    (GoogleSignIn.SignInException)enumerator.Current;
            // AddStatusText("Got Error: " + error.Status + " " + error.Message);
            MessageBox.ShowMessage("Got Error: " + error.Status + " " + error.Message);
          } else {
            // AddStatusText("Got Unexpected Exception?!?" + task.Exception);
            MessageBox.ShowMessage("Got Unexpected Exception?!?" + task.Exception);
          }
        }
      } else if(task.IsCanceled) {
        // AddStatusText("Canceled");
        
      } else  {
        // AddStatusText("Welcome: " + task.Result.DisplayName + "!");
        // MessageBox.ShowMessage($"email: {task.Result.Email}\nDisplay:{task.Result.DisplayName}\ntoken:{task.Result.IdToken}");
        StartCoroutine(DoneLogin(task.Result.Email));
      }
    }

    IEnumerator DoneLogin(string username){
      yield return new WaitForSeconds(0.5f);

      DataManager.GoogleLogin(username);
    }

    public void OnSignInSilently() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = false;
      GoogleSignIn.Configuration.RequestIdToken = true;
      // AddStatusText("Calling SignIn Silently");

      GoogleSignIn.DefaultInstance.SignInSilently()
            .ContinueWith(OnAuthenticationFinished);
    }


    public void OnGamesSignIn() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = true;
      GoogleSignIn.Configuration.RequestIdToken = false;

      // AddStatusText("Calling Games SignIn");

      GoogleSignIn.DefaultInstance.SignIn().ContinueWith(
        OnAuthenticationFinished);
    }

    public bool isLogin => txtLogin.text == "Login";
    public void ToggleLoginPage(){
        if(txtLogin.text == "Login"){
            txtLogin.text = "Register";
            txtChangeLogin.text = "Have an account?";
        }else{
            txtLogin.text = "Login";
            txtChangeLogin.text = "Don't have an account?";
        }
    }
}