/**
 * First activity to show (LOGIN/REGISTER)
 * Made by Arturo Salinas
 * Contact me if any issue...
 */
package sofex.foodhausv1;

import android.content.Intent;
import android.icu.util.Freezable;
import android.nfc.Tag;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import java.util.Arrays;

import com.facebook.AccessToken;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.login.LoginManager;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignIn;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.SignInButton;
import com.google.android.gms.common.api.ApiException;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.internal.SignInButtonImpl;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.FirebaseApp;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FacebookAuthProvider;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.GoogleAuthProvider;

import java.sql.Array;


public class StarterActivity extends AppCompatActivity implements GoogleApiClient.OnConnectionFailedListener, View.OnClickListener {
    private GoogleApiClient mGoogleSignInClient;
    public static final int RC_SIGN_IN = 1;

    private ProgressBar starter_progress;
    private FirebaseAuth mAuth;
    private FirebaseAuth.AuthStateListener mAuthListener;
    //Google Auth
    private Button btn_google;
    private GoogleApiClient mGoogleApiClient;
    //FB Auth
    private Button btn_fb;
    private CallbackManager mCallbackManager;
    //Forgot
    private TextView forgot_pass;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_starter);

        mAuth = FirebaseAuth.getInstance();

        FirebaseApp.initializeApp(this);
        btn_fb = (Button)findViewById(R.id.btn_fb);
        forgot_pass = (TextView)findViewById(R.id.forgot_pass);
        forgot_pass.setOnClickListener(this);

        starter_progress = (ProgressBar)findViewById(R.id.starter_progress);
        starter_progress.setVisibility(View.INVISIBLE);
        //Fb Auth
        // Initialize Facebook Login button
        mCallbackManager = CallbackManager.Factory.create();
        //FbAuth
        btn_fb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                btn_fb.setEnabled(false);
                starter_progress.setVisibility(View.VISIBLE);
                LoginManager.getInstance().logInWithReadPermissions(StarterActivity.this, Arrays.asList("email","public_profile"));
                LoginManager.getInstance().registerCallback(mCallbackManager, new FacebookCallback<LoginResult>() {
                    @Override
                    public void onSuccess(LoginResult loginResult) {
                        Log.d("Fb", "facebook:onSuccess:" + loginResult);
                        handleFacebookAccessToken(loginResult.getAccessToken());
                    }
                    @Override
                    public void onCancel() {
                        Log.d("Fb", "facebook:onCancel");
                    }

                    @Override
                    public void onError(FacebookException error) {
                        Log.d("Fb", "facebook:onError", error);
                    }
                });

            }
        });
        //Google auth
        btn_google = (Button) findViewById(R.id.btn_google);
        // Configure Google Sign In
        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestIdToken(getString(R.string.default_web_client_id))
                .requestEmail()
                .build();
        mGoogleApiClient = new GoogleApiClient.Builder(getApplicationContext()).enableAutoManage(this, new GoogleApiClient.OnConnectionFailedListener() {
            @Override
            public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
                //Error
            }
        })
                .addApi(Auth.GOOGLE_SIGN_IN_API,gso)
                .build();

        btn_google.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                signIn();
            }
        });

        mAuthListener = new FirebaseAuth.AuthStateListener() {
            @Override
            public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
                if(firebaseAuth.getCurrentUser() != null){
                    startActivity(new Intent(StarterActivity.this, DashboardActivity.class));
                }
            }
        };

        Button btnStartLogin = findViewById(R.id.buttonLogin);
        btnStartLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                logIn();
            }
        });
        Button btnStartRegister =  findViewById(R.id.buttonRegister);
        btnStartRegister.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                toRegisterPhone();
            }
        });

    }
    //Google auth
    private void signIn() {
        Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
        startActivityForResult(signInIntent, RC_SIGN_IN);
    }

    //Fb and google auth
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        Log.d("Google", "onActivityResult:" + requestCode + ":" + resultCode + ":" + data);

        if (requestCode == RC_SIGN_IN) {
            Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
            try {
                // Google Sign In was successful, authenticate with Firebase
                GoogleSignInAccount account = task.getResult(ApiException.class);
                firebaseAuthWithGoogle(account);
            } catch (ApiException e) {
                // Google Sign In failed, update UI appropriately
                Log.w("Google", "Google sign in failed", e);
                // ...
            }
        }else{
            //If not request code is RC_SIGN_IN it must be facebook
            mCallbackManager.onActivityResult(requestCode, resultCode, data);
        }
    }

    private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
        Log.d("Google", "firebaseAuthWithGoogle:" + acct.getId());
        starter_progress.setVisibility(View.VISIBLE);
        AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
        mAuth.signInWithCredential(credential)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {
                            // Sign in success, update UI with the signed-in user's information
                            Log.d("google", "signInWithCredential:success");
                            FirebaseUser user = mAuth.getCurrentUser();
                            updateUI();
                            starter_progress.setVisibility(View.INVISIBLE);
                        } else {
                            // If sign in fails, display a message to the user.
                            Log.w("Google", "signInWithCredential:failure", task.getException());
                            starter_progress.setVisibility(View.INVISIBLE);
                        }

                    }
                });
    }

    @Override
    public void onStart() {
        super.onStart();
        // Check if user is signed in (non-null) and update UI accordingly.
        FirebaseUser currentUser = mAuth.getCurrentUser();
        if(currentUser != null){
            updateUI();
        }
    }
    //Fb auth sends to dash
    private void updateUI() {
        //Lgoin
        sendToDash();

    }
    //FB Auth
    private void handleFacebookAccessToken(AccessToken token) {
        Log.d("Fb", "handleFacebookAccessToken:" + token);
        AuthCredential credential = FacebookAuthProvider.getCredential(token.getToken());
        mAuth.signInWithCredential(credential)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {
                            // Sign in success, update UI with the signed-in user's information
                            Log.d("Fb", "signInWithCredential:success");
                            FirebaseUser user = mAuth.getCurrentUser();
                            btn_fb.setEnabled(true);
                            starter_progress.setVisibility(View.INVISIBLE);
                            updateUI();
                        } else {
                            // If sign in fails, display a message to the user.
                            Log.w("Fb", "signInWithCredential:failure", task.getException());
                            btn_fb.setEnabled(true);
                            starter_progress.setVisibility(View.INVISIBLE);
                        }
                    }
                });
    }
    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
        Toast.makeText(StarterActivity.this, "Fallo en conexión con google...", Toast.LENGTH_LONG).show();
    }


    private void logIn() {
        Intent intent = new Intent(StarterActivity.this, LoginActivity.class);
        startActivity(intent);
    }
    private void sendToDash() {
        Intent intent = new Intent(StarterActivity.this, DashboardActivity.class);
        startActivity(intent);
        finish();
    }

    private void toRegisterPhone() {
        Intent registerIntent = new Intent(StarterActivity.this, RegisterPhoneActivity.class);
        startActivity(registerIntent);
    }

    @Override
    public void onClick(View view) {
        switch(view.getId()){
            case R.id.forgot_pass:
                Intent registerIntent = new Intent(StarterActivity.this, ForgotPassword.class);
                startActivity(registerIntent);
                break;
        }
    }
}