package io.eveno.view.activity;

import android.arch.lifecycle.Observer;
import android.arch.lifecycle.ViewModelProviders;
import android.databinding.DataBindingUtil;
import android.support.annotation.Nullable;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;

import java.util.List;

import io.eveno.R;
import io.eveno.databinding.ActivityEventsBinding;
import io.eveno.model.entity.Event;
import io.eveno.view.adapter.EventsAdapter;
import io.eveno.viewmodel.EventsViewModel;

public class EventsActivity extends BaseActivity {

    private ActivityEventsBinding activityEventsBinding;
    private EventsViewModel eventsViewModel;
    private EventsAdapter eventsAdapter;

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

        configureDataBinding();
        observeViewModel();
    }

    private void configureDataBinding() {
        activityEventsBinding = DataBindingUtil.setContentView(this, R.layout.activity_events);

        eventsViewModel = ViewModelProviders.of(this).get(EventsViewModel.class);
        activityEventsBinding.setEventsViewModel(eventsViewModel);

        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        activityEventsBinding.eventsRecyclerView.setLayoutManager(linearLayoutManager);

        eventsAdapter = new EventsAdapter();
        activityEventsBinding.eventsRecyclerView.setAdapter(eventsAdapter);
    }

    private void observeViewModel() {
        eventsViewModel.getEventListObservable().observe(this, new Observer<List<Event>>() {
            @Override
            public void onChanged(@Nullable List<Event> events) {
                eventsAdapter.setEventList(events);
            }
        });
    }
}