package timberwolf.blackmarket.com.blackmarket;

        import android.content.Intent;
        import android.content.SharedPreferences;
        import android.graphics.Color;
        import android.graphics.PorterDuff;
        import android.os.Bundle;
        import android.os.CountDownTimer;
        import android.support.annotation.NonNull;
        import android.support.v7.app.AppCompatActivity;
        import android.text.TextUtils;
        import android.util.Log;
        import android.view.View;
        import android.widget.Button;
        import android.widget.EditText;
        import android.widget.ImageButton;
        import android.widget.TextView;
        import android.widget.Toast;

        import com.firebase.ui.auth.AuthUI;
        import com.google.android.gms.auth.api.Auth;
        import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
        import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
        import com.google.android.gms.auth.api.signin.GoogleSignInResult;
        import com.google.android.gms.common.ConnectionResult;
        import com.google.android.gms.common.api.GoogleApiClient;
        import com.google.android.gms.tasks.OnCompleteListener;
        import com.google.android.gms.tasks.Task;
        import com.google.firebase.auth.AuthCredential;
        import com.google.firebase.auth.AuthResult;
        import com.google.firebase.auth.FirebaseAuth;
        import com.google.firebase.auth.FirebaseUser;

        import com.google.firebase.auth.GoogleAuthProvider;

        import org.w3c.dom.Text;

public class LoginActivity extends AppCompatActivity implements GoogleApiClient.OnConnectionFailedListener, View.OnClickListener{

    private static final String TAG = "LoginActivity";
    private FirebaseAuth mAuth;
    private FirebaseAuth.AuthStateListener mAuthListener;
    private GoogleApiClient mGoogleApiClient;
    private static int RC_SIGN_IN = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        setTitle("Timberwolf Black Market");

        //start firebase code

        mAuthListener = new FirebaseAuth.AuthStateListener() {
            @Override
            public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
                FirebaseUser user = firebaseAuth.getCurrentUser();
                if (user != null) {
                    // User is signed in
                    Log.d("AUTH", "onAuthStateChanged:signed_in:" + user.getEmail());
                } else {
                    // User is signed out
                    Log.d("AUTH", "onAuthStateChanged:signed_out");

                }
            }
        };

        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestIdToken(getString(R.string.default_web_client_id))
                .requestEmail()
                .build();


        mGoogleApiClient = new GoogleApiClient.Builder(this)
                .enableAutoManage(this, this)
                .addApi(Auth.GOOGLE_SIGN_IN_API, gso)
                .build();

        findViewById(R.id.sign_in_button).setOnClickListener(this);

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if(requestCode == RC_SIGN_IN){
            GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);

            if(result.isSuccess()){
                GoogleSignInAccount account = result.getSignInAccount();
                firebaseAuthWithGoogle(account);
            }else
                Log.d(TAG, "Google Login Failed");
        }

    }

    private void firebaseAuthWithGoogle(GoogleSignInAccount acct){
        AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
        mAuth.signInWithCredential(credential)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        Log.d("AUTH", "signInWithCredential:oncomplete: " + task.isSuccessful());
                    }
                });
    }

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

    private void signOut(){
        FirebaseAuth.getInstance().signOut();
    }

    @Override
    public void onClick(View v) {

        switch(v.getId()){
            case R.id.sign_in_button:
                signIn();
                break;
        }

    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
        Log.d(TAG, "Connection failed");
    }

    @Override
    public void onStart() {
        super.onStart();
        mAuth.addAuthStateListener(mAuthListener);
    }

    @Override
    public void onStop() {
        super.onStop();
        if (mAuthListener != null) {
            mAuth.removeAuthStateListener(mAuthListener);
        }
    }

}