import android.databinding.DataBindingUtil;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.app.wanna.android.R;
import com.app.wanna.android.data.User;
import com.app.wanna.android.databinding.LayoutItemPeopleBinding;
import com.app.wanna.android.utils.firebaseadapter.FirebaseRecyclerAdapter;
import com.firebase.ui.common.ChangeEventType;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.firebase.database.DataSnapshot;
import com.squareup.picasso.Picasso;

public class ExamplePeopleAdapter extends FirebaseRecyclerAdapter<User, PeopleListAdapter.PeopleViewHolder> {
    private RecycleItemClick recycleItemClick;
    private static final String TAG = "PeopleListAdapter";

    public ExamplePeopleAdapter(FirebaseRecyclerOptions<User> options) {
        super(options, true);
    }

    public interface RecycleItemClick {
        void onItemClick(String userId, User user, int position);
    }

    public void setRecycleItemClick(RecycleItemClick recycleItemClick) {
        this.recycleItemClick = recycleItemClick;
    }

    @Override
    public PeopleViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.layout_item_people, parent, false);
        return new PeopleViewHolder(view);
    }

    @Override
    protected void onBindViewHolder(PeopleViewHolder holder, int position, User model) {
        holder.bind(model);
    }

    @Override
    protected void onChildUpdate(User model,
                                 ChangeEventType type,
                                 DataSnapshot snapshot,
                                 int newIndex,
                                 int oldIndex) {
        model.setUserId(snapshot.getKey());
        super.onChildUpdate(model, type, snapshot, newIndex, oldIndex);
    }

    @Override
    protected boolean filterCondition(User model, String filterPattern) {
        return model.getFirstName().toLowerCase().contains(filterPattern) ||
                model.getLastName().toLowerCase().contains(filterPattern);
    }

    public class PeopleViewHolder extends RecyclerView.ViewHolder {

        LayoutItemPeopleBinding mBinding;

        PeopleViewHolder(View view) {
            super(view);
            mBinding = DataBindingUtil.bind(view);
        }

        public void bind(User user) {
            Picasso.with(mBinding.peopleImage.getContext())
                    .load(user.getImage())
                    .placeholder(R.drawable.place_holder_user)
                    .into(mBinding.peopleImage);
            mBinding.peopleName.setText(String.format("%s %s", user.getFirstName(), user.getLastName()));
            itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    int pos = getAdapterPosition();
                    User user = getItem(pos);
                    recycleItemClick.onItemClick(user.getUserId(), user, pos);
                }
            });
        }
    }
}