package com.example.rafab.apptempo;

import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;


public class MainActivity extends AppCompatActivity {

    public JSONObject data = null;
    public ListView listView;
    public ArrayList<String> temp =new ArrayList<>();

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

        temp.add("Braga");
        temp.add("Porto");
        temp.add("Lisboa");

        getJSON(temp);

        listView = (ListView) findViewById(R.id.list);
        listView.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,new ArrayList<String>()));

    }

    public void getJSON(final ArrayList<String> temperaturas) {


        new AsyncTask<Void, String, String>() {
           private ArrayAdapter<String> adapter;
           String data1;

            @Override
            protected void onPreExecute() {
                //adapter=(ArrayAdapter<String>)listView.getAdapter();
            }

            @Override
            protected String doInBackground(Void... params) {

                for (String s : temperaturas){
                    try {

                        URL url = new URL("https://api.openweathermap.org/data/2.5/weather?q=" + s + "&appid=27960ba27a09e2165642c128f0b66bda");

                        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

                        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));

                        StringBuffer json = new StringBuffer(1024);
                        String tmp = "";

                        while ((tmp = reader.readLine()) != null)
                            json.append(tmp).append("\n");
                        reader.close();

                        data = new JSONObject(json.toString());

                        if (data.getInt("cod") != 200) {
                            System.out.println("Cancelled");
                            return null;
                        }

                        data1 = (String) data.toString();

                    } catch (Exception e) {

                        System.out.println("Exception " + e.getMessage());
                        return null;
                    }

                //publishProgress(data1);

            }
            return null;
            }

            @Override
            protected void onPostExecute(String dataJson) {
                if (data != null) {
                    Log.d("my weather received", data.toString());

                }

            }
        }.execute();
    }
}