package com.example.FilmKatalog.Film;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProviders;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import com.example.FilmKatalog.R;
import java.util.ArrayList;

public class FilmFragment extends Fragment {
    private FilmAdapter adapter;
    private ProgressBar progressBar;
    private FilmViewModel filmViewModel;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        adapter = new FilmAdapter();
        View view = inflater.inflate(R.layout.fragment_film,container,false);
        RecyclerView recyclerView = view.findViewById(R.id.rv_category);
        recyclerView.setLayoutManager(new LinearLayoutManager(this.getContext()));
        recyclerView.setAdapter(adapter);

        progressBar = view.findViewById(R.id.progressBar);

        filmViewModel = ViewModelProviders.of(this).get(FilmViewModel.class);
        filmViewModel.getMovies().observe(this, getMovie);
        filmViewModel.setMovies();

        showLoading(true);

        return view;
    }
    private Observer<ArrayList<Film>> getMovie = new Observer<ArrayList<Film>>() {
        @Override
        public void onChanged(ArrayList<Film> movies) {
            if (movies != null) {
                adapter.setData(movies);
            }
            showLoading(false);
        }
    };

    private void showLoading(Boolean state) {
        if (state) {
            progressBar.setVisibility(View.VISIBLE);
        } else {
            progressBar.setVisibility(View.GONE);
        }
    }
}