package at.fhj.swd.dailyhelper.adapter;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.AsyncTask;
import android.support.annotation.NonNull;
import android.support.v7.widget.CardView;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.List;

import at.fhj.swd.dailyhelper.R;
import at.fhj.swd.dailyhelper.model.Weather;

public class WeatherListAdapter extends RecyclerView.Adapter<WeatherListAdapter.WeatherItemViewHolder> {
    private ImageView imageView;


    private List<Weather> weathers;

    private ItemClickListener itemClickListener;

    public WeatherListAdapter(List<Weather> weathers, ItemClickListener itemClickListener) {
        this.weathers = weathers;
        this.itemClickListener = itemClickListener;
    }

    @NonNull
    @Override
    public WeatherItemViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.weather_list_item, viewGroup, false);
        return new WeatherItemViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull WeatherItemViewHolder weatherItemViewHolder, int i) {

        Context context = weatherItemViewHolder.tvDate.getContext();

        weatherItemViewHolder.cvWeatherItem.setOnClickListener(v -> {
            Weather weather = weathers.get(weatherItemViewHolder.getAdapterPosition());
            itemClickListener.onItemClicked(weather, weatherItemViewHolder.getAdapterPosition());
        });

        weatherItemViewHolder.tvDate.setText(weathers.get(i).getDate());

        String icon = weathers.get(i).getIcon();
        new DownloadImageTask(imageView).execute("https://openweathermap.org/img/w/" + icon + ".png");


        weatherItemViewHolder.tvDescription.setText(weathers.get(i).getDescription());
        weatherItemViewHolder.tvTemperature.setText(context.getString(R.string.temperature) + ": " + weathers.get(i).getTemp() + "°C");
        weatherItemViewHolder.tvHumity.setText(context.getString(R.string.humidity) + ": " + weathers.get(i).getHumidity()+"%");

    }

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



    class WeatherItemViewHolder extends RecyclerView.ViewHolder {

        CardView cvWeatherItem;

        TextView tvDate;

        TextView tvDescription;
        TextView tvTemperature;
        TextView tvHumity;

        public WeatherItemViewHolder(@NonNull View itemView) {
            super(itemView);

            cvWeatherItem = itemView.findViewById(R.id.cvWeatherItem);

            tvDate = itemView.findViewById(R.id.tvDate);
            imageView = itemView.findViewById(R.id.card_view_image);



            tvDescription = itemView.findViewById(R.id.tvDescription);
            tvTemperature = itemView.findViewById(R.id.tvTemperature);
            tvHumity = itemView.findViewById(R.id.tvHumity);
        }

    }


    public interface ItemClickListener {
        void onItemClicked(Weather weather, int position);
    }


    private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
        ImageView bmImage;
        public DownloadImageTask(ImageView bmImage) {
            this.bmImage = bmImage;
        }

        protected Bitmap doInBackground(String... urls) {
            String urldisplay = urls[0];
            Bitmap bmp = null;
            try {
                InputStream in = new java.net.URL(urldisplay).openStream();
                bmp = BitmapFactory.decodeStream(in);
            } catch (Exception e) {
                Log.e("Error", e.getMessage());
                e.printStackTrace();
            }
            return bmp;
        }
        protected void onPostExecute(Bitmap result) {
            bmImage.setImageBitmap(result);
        }
    }


}