package pl.waskicompany.cryptoinfo.coins;

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

import com.android.databinding.library.baseAdapters.BR;

import java.util.List;

import pl.waskicompany.cryptoinfo.R;
import pl.waskicompany.cryptoinfo.coins.persistence.Coin;
import pl.waskicompany.cryptoinfo.databinding.CoinItemBinding;


public class CoinsAdapter extends RecyclerView.Adapter<CoinsAdapter.BindingHolder> {


    private final CoinsViewModel mCoinsViewModel;

    private List<Coin> mCoins;

    public CoinsAdapter(List<Coin> coins, CoinsViewModel coinsViewModel) {
        mCoinsViewModel = coinsViewModel;
        setList(coins);
    }

    public void replaceData(List<Coin> coins) {
        setList(coins);
    }

    @Override
    public int getItemCount() {
        return mCoins != null ? mCoins.size() : 0;
    }

    @Override
    public BindingHolder onCreateViewHolder(ViewGroup parent, int type) {


        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.coin_item, parent, false);
        BindingHolder holder = new BindingHolder(view);
        return holder;
    }
    @Override

    public void onBindViewHolder(BindingHolder holder, int position) {

        final Coin coin = mCoins.get(position);

        holder.getBinding().setVariable(BR.coin, coin);

        holder.getBinding().executePendingBindings();


    }

    private void setList(List<Coin> coins) {
        mCoins = coins;
        notifyDataSetChanged();
    }

    public class BindingHolder extends RecyclerView.ViewHolder {
        private final CoinItemBinding binding;

        public BindingHolder(View rowView) {
            super(rowView);
            binding = DataBindingUtil.bind(rowView);
        }

        public ViewDataBinding getBinding() {
            return binding;
        }
    }
}