public class BloggerAppFragment extends Fragment {
    // Constants
    private static final String TAG = "BloggerAppFragment";
    private static final String ID = "id";

    // Member variables
    @InjectView(R.id.viewpager)
    ViewPager mViewPager;
    @InjectView(R.id.tab_layout)
    TabLayout mTabLayout;
    @InjectView(R.id.blogger_followers_textview)
    TextView mFollowers;
    @InjectView(R.id.blogger_imageview)
    RoundedImageView mBloggerImage;
    @InjectView(R.id.blogger_name_textview)
    TextView mBloggerName;
    @InjectView(R.id.blogger_description_textview)
    TextView mBloggerDescription;
    @InjectView(R.id.fab_create_outfit)
    FloatingActionButton mFabCreateOutfit;

    private View mView;
    private ListFragmentPagerAdapter mAdapter;
    private String mBloggerId;
    private Blogger mBlogger;
    private boolean mIsLoading = false;
    private IdFilterConfiguration mBloggerFilter;
    private BloggerLoader mBloggerLoader;

    // Callbacks
    final private LoaderCallback<BloggerResponse> mCallbackBlogger = new LoaderCallback<BloggerResponse>() {
        @Override
        public void onItemsLoaded(BloggerResponse bloggerResponse, LoaderDirection resultFor) {
            mIsLoading = false;
            mBlogger = bloggerResponse.blogger;
            int followers = mBlogger.getFollowers();
            mFollowers.setText(followers > 1 ? followers + " " + getString(R.string.followers) : followers + " " + getString(R.string.follower));
            ImageUtils.loadImage(mBlogger.getImage(), mBloggerImage, ImageUtils.ImageWidth.THUMBNAIL_100x100);
            mBloggerName.setText(mBlogger.getName());
            mBloggerDescription.setText(mBlogger.getDescription());
        }
    };

    // Constructors
    public BloggerAppFragment() {
        // Required empty public constructor
    }

    // Factory methods
    public static BloggerAppFragment newInstance(String id) {
        BloggerAppFragment fragment = new BloggerAppFragment();
        Bundle args = new Bundle();
        args.putString(ID, id);
        fragment.setArguments(args);
        return fragment;
    }

    // Lifecycle methods
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mBloggerId = getArguments().getString(ID);
            mBloggerFilter = new IdFilterConfiguration(mBloggerId);
        }
        mBloggerLoader = new BloggerLoader(mCallbackBlogger);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        mView = inflater.inflate(R.layout.fragment_blogger_app, container, false);
        setHasOptionsMenu(true);
        return mView;
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        ButterKnife.inject(this, view);
        mFabCreateOutfit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getContext(), "This is going to start the flow to create an outfit", Toast.LENGTH_SHORT).show();
            }
        });
        mAdapter = new ListFragmentPagerAdapter(getFragmentManager());
        mAdapter.addFragment(OutfitListFragment.newInstance(BloggerAppOutfitResponse.Type.DRAFT), "DRAFT");
        mAdapter.addFragment(OutfitListFragment.newInstance(BloggerAppOutfitResponse.Type.READY), "READY");
        mAdapter.addFragment(OutfitListFragment.newInstance(BloggerAppOutfitResponse.Type.LIVE), "LIVE");
        mAdapter.addFragment(OutfitListFragment.newInstance(BloggerAppOutfitResponse.Type.ON_HOLD), "ON HOLD");
        mViewPager.setAdapter(mAdapter);
        mTabLayout.setupWithViewPager(mViewPager);
        loadBlogger();
    }

    // Helper methods
    private void loadBlogger() {
        mIsLoading = true;
        mBloggerLoader.reloadItems(mBloggerFilter);
    }

    // Inner classes
    class ListFragmentPagerAdapter extends FragmentStatePagerAdapter {

        private final List<Fragment> mFragmentList = new ArrayList<>();
        private final List<String> mFragmentTitleList = new ArrayList<>();

        public ListFragmentPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return mFragmentList.get(position);
        }

        @Override
        public int getCount() {
            return mFragmentList.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return mFragmentTitleList.get(position);
        }

        public void addFragment(Fragment fragment, String title) {
            mFragmentList.add(fragment);
            mFragmentTitleList.add(title);
        }
    }
}