package com.example.android.sunshine.app;

/**
 * Created by seanoh on 4/12/16.
 */

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * A placeholder fragment containing a simple view.
 */
public class ForecastFragment extends Fragment {

    ArrayAdapter<String> mForecastAdapter;
    public ForecastFragment() {
    }

    //onCreate happens before onCreateView
    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);

        //report that this fragment has menu options to contribute
        //indicates we want callbacks for onCreateOptionsMenu and onOptionsItemSelected
        setHasOptionsMenu(true);
    }

    //onCreateOptionsMenu is different for activities and its fragments. It does both.
    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.forecastfragment, menu);
    }

    //called when item chosen
    @Override
    public boolean onOptionsItemSelected(MenuItem item){
        int itemId = item.getItemId();
        //handle if refresh
        if(itemId == R.id.action_refresh){
            //crashes because we are missing internet permission. We execute AsyncTask with .execute
            FetchWeatherTask weathertask = new FetchWeatherTask();
            weathertask.execute();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_main, container, false);
        String[] fakeData = {"today", "tmrw", "w", "th", "f", "s", "s"};
        List<String> weekForecast = new ArrayList<String>(Arrays.asList(fakeData));
        mForecastAdapter = new ArrayAdapter<String>(
                getActivity(), R.layout.list_item_forecast, R.id.list_item_forecast_textview,
                weekForecast);
        ListView listView = (ListView) rootView.findViewById(R.id.listview_forecast);
        listView.setAdapter(mForecastAdapter);


        return rootView;
    }

    public class FetchWeatherTask extends AsyncTask<Void, Void, Void>{
        //for logging
        private final String LOG_TAG = FetchWeatherTask.class.getSimpleName();

        @Override
        protected Void doInBackground(Void... params) {
            // These two need to be declared outside the try/catch
            // so that they can be closed in the finally block.
            HttpURLConnection urlConnection = null;
            BufferedReader reader = null;

            // Will contain the raw JSON response as a string.
            String forecastJsonStr = null;

            try {
                // Construct the URL for the OpenWeatherMap query
                // Possible parameters are available at OWM's forecast API page, at
                // http://openweathermap.org/API#forecast

                String baseUrl = "http://api.openweathermap.org/data/2.5/forecast/daily?q=94043&mode=json&units=metric&cnt=7";
                String apiKey = "&APPID=" + BuildConfig.OPEN_WEATHER_MAP_API_KEY;
                URL url = new URL(baseUrl.concat(apiKey));

                // Create the request to OpenWeatherMap, and open the connection
                urlConnection = (HttpURLConnection) url.openConnection();
                urlConnection.setRequestMethod("GET");
                urlConnection.connect();

                // Read the input stream into a String
                InputStream inputStream = urlConnection.getInputStream();
                StringBuffer buffer = new StringBuffer();
                if (inputStream == null) {
                    // Nothing to do.
                    return null;
                }
                reader = new BufferedReader(new InputStreamReader(inputStream));

                String line;
                while ((line = reader.readLine()) != null) {
                    // Since it's JSON, adding a newline isn't necessary (it won't affect parsing)
                    // But it does make debugging a *lot* easier if you print out the completed
                    // buffer for debugging.
                    buffer.append(line + "\n");
                }

                if (buffer.length() == 0) {
                    // Stream was empty.  No point in parsing.
                    return null;
                }
                forecastJsonStr = buffer.toString();
            } catch (IOException e) {
                Log.e(LOG_TAG, "Error ", e);
                // If the code didn't successfully get the weather data, there's no point in attempting
                // to parse it.
                return null;
            } finally {
                if (urlConnection != null) {
                    urlConnection.disconnect();
                }
                if (reader != null) {
                    try {
                        reader.close();
                    } catch (final IOException e) {
                        Log.e(LOG_TAG, "Error closing stream", e);
                    }
                }
            }
            return null;
        }
    }
}
@@ -2215,24 +2215,87 @@
 er, false);%0A
+        //if true, then rootView would be a child of container%0A
         Stri

Add clarifying comment to LayoutInflater