LoginMainPageFragment

package com.dss.invitup.vc.login;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import com.dss.invitup.R;
import com.dss.invitup.events.GetFacebookLoginFinishLoadedEvent;
import com.dss.invitup.singleton.InterfaceManager;
import com.dss.invitup.singleton.ServerManager;
import com.dss.invitup.singleton.SettingsManager;
import com.dss.invitup.vc.homePage.HomePageActivity;
import com.dss.invitup.view.RobotoRegularTextView;
import com.facebook.AccessToken;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.GraphRequest;
import com.facebook.GraphResponse;
import com.facebook.login.LoginManager;
import com.facebook.login.LoginResult;
import org.json.JSONObject;
import de.greenrobot.event.EventBus;
/**
 * Copyright © 2016 Dihardja Software Solutions. All rights reserved.
 */
public class LoginMainPageFragment extends Fragment{
    Button signUpWithFacebookButton, signUpWithEmailButton;
    RobotoRegularTextView signInButton;
    LoginMainPageActivity loginMainPageActivity;
    CallbackManager callbackManager;
    FrameLayout rootFrameLayout;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_login_main_page, container, false);
        if(!EventBus.getDefault().isRegistered(this)){
            EventBus.getDefault().register(this);
        }
        rootFrameLayout = (FrameLayout)view.findViewById(R.id.loginActivityRootFrameLayout);
        signInButton = (RobotoRegularTextView)view.findViewById(R.id.loginActivity_signInButtonTextView);
        signUpWithEmailButton = (Button)view.findViewById(R.id.loginActivity_signUpWithEmailButton);
        signUpWithFacebookButton = (Button)view.findViewById(R.id.loginActivity_signUpFacebookButton);
        return view;
    }
    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        FacebookSdk.sdkInitialize(getActivity().getApplicationContext());
        loginMainPageActivity = new LoginMainPageActivity();
        Typeface font = Typeface.createFromAsset(getActivity().getAssets(), "fonts/Montserrat-Light.otf");
        signUpWithEmailButton.setTypeface(font);
        signUpWithFacebookButton.setTypeface(font);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            signUpWithEmailButton.setLetterSpacing(0.07f);
            signUpWithFacebookButton.setLetterSpacing(0.07f);
        }
        signInButton.setOnClickListener(signInButtonListener);
        signUpWithEmailButton.setOnClickListener(signUpWithEmailButtonListener);
        signUpWithFacebookButton.setOnClickListener(signUpWithFacebookButtonListener);
    }
    Button.OnClickListener signUpWithFacebookButtonListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            loginFacebook();
        }
    };
    Button.OnClickListener signUpWithEmailButtonListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SettingsManager.getInstance().setCurrentFragment(loginMainPageActivity.SIGNUP_FRAGMENT);
            getActivity().getSupportFragmentManager().beginTransaction()
                    .replace(R.id.loginContainerRootFrameLayout,new SignUpFragment())
                    .commitAllowingStateLoss();
        }
    };
    RobotoRegularTextView.OnClickListener signInButtonListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SettingsManager.getInstance().setCurrentFragment(loginMainPageActivity.SIGNIN_FRAGMENT);
            getActivity().getSupportFragmentManager().beginTransaction()
                    .replace(R.id.loginContainerRootFrameLayout,new SignInFragment())
                    .commitAllowingStateLoss();
        }
    };
    public void loginFacebook(){
     callbackManager = CallbackManager.Factory.create();
        LoginManager.getInstance().logInWithReadPermissions(this, SettingsManager.getInstance().facebookPermission());
        LoginManager.getInstance().registerCallback(callbackManager,
                new FacebookCallback<LoginResult>() {
                    @Override
                    public void onSuccess(LoginResult loginResult) {
                        System.out.println("Success");
                        GraphRequest.newMeRequest(
                                loginResult.getAccessToken(), new GraphRequest.GraphJSONObjectCallback() {
                                    @Override
                                    public void onCompleted(JSONObject json, GraphResponse response) {
                                        if (response.getError() != null) {
                                            System.out.println("ERROR");
                                        } else {
                                            System.out.println("Success");
                                            String token = AccessToken.getCurrentAccessToken().getToken();
                                            Log.v("facebook-token", token);
                                            InterfaceManager.sharedInstance().showLoading(rootFrameLayout,getActivity());
                                            ServerManager.getInstance().facebookLogin(token);
                                        }
                                    }
                                }).executeAsync();
                    }
                    @Override
                    public void onCancel() {
                        Log.d("cancel", "On cancel");
                    }
                    @Override
                    public void onError(FacebookException error) {
                        Log.d("error", error.toString());
                    }
                });
    }
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        callbackManager.onActivityResult(requestCode, resultCode, data);
    }
    public void onEvent(GetFacebookLoginFinishLoadedEvent event){
        InterfaceManager.sharedInstance().hideLoading();
        if(!event.errorMessage.equals("")){
            InterfaceManager.sharedInstance().showErrorMessage(getActivity(),event.errorMessage);
        }else{
            Intent i = new Intent(getActivity(), HomePageActivity.class);
            getActivity().startActivity(i);
            getActivity().finish();
        }
    }
    @Override
    public void onDestroy(){
        super.onDestroy();
        if(EventBus.getDefault().isRegistered(this)) {
            EventBus.getDefault().unregister(this);
        }
    }
}