package com.a1.nextlocation.recyclerview;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.a1.nextlocation.R;
import com.a1.nextlocation.data.Location;

import java.util.List;

public class LocationAdapter extends RecyclerView.Adapter<LocationAdapter.LocationViewHolder> {

    private final Context appContext;
    private final List<Location> locationList;
    private final OnItemClickListener clickListener;

    public interface OnItemClickListener {
        void onItemClick(int clickedPosition);
    }

    class LocationViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {

        private TextView locationName;
        private ImageView locationImage;

        public LocationViewHolder(@NonNull View itemView) {
            super(itemView);
            this.locationName = itemView.findViewById(R.id.location_name);
            this.locationImage = itemView.findViewById(R.id.location_image);
            itemView.setOnClickListener(this);
        }

        @Override
        public void onClick(View view) {
            clickListener.onItemClick(getAdapterPosition());
        }

        /**
         * Sets the text of the location name
         *
         * @param text the text that will be set
         */
        public void setTextViewText(String text) {
            this.locationName = itemView.findViewById(R.id.location_name);
            this.locationName.setText(text);
        }

        /**
         * Sets the image of the locatoin
         *
         * @param text the text of the image filename
         */
        public void setImageViewImage(String text) {
            this.locationImage = itemView.findViewById(R.id.location_image);
            Context context = locationImage.getContext();
            int id = context.getResources().getIdentifier(text, "drawable", context.getPackageName());
            locationImage.setImageResource(id);
        }
    }

    public LocationAdapter(Context context, List<Location> location, OnItemClickListener listener) {
        this.appContext = context;
        this.locationList = location;
        this.clickListener = listener;
    }

    @NonNull
    @Override
    public LocationAdapter.LocationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.location_item, parent, false);
        return new LocationViewHolder(itemView);
    }

    @Override
    public void onBindViewHolder(@NonNull LocationAdapter.LocationViewHolder holder, int position) {
        Location location = locationList.get(position);
        holder.setTextViewText(location.getName());
        holder.setImageViewImage(location.getIconUrl());
    }

    @Override
    public int getItemCount() {
        return locationList.size();
    }
}