package dk.thoerup.traininfo.provider;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONObject;

import android.location.Location;
import android.util.Log;
import dk.thoerup.traininfo.StationBean;
import dk.thoerup.traininfo.util.DownloadUtil;

public class GoogleStationProvider implements StationProvider {

	List<StationBean> stations = new ArrayList<StationBean>();
	
	public boolean lookupStationsByName(String name) {
		return false; // Not supported
	}
	
	@Override
	public boolean lookupStationsByIds(String ids) {
		return false;
	}
	
	@Override
	public boolean lookupStations(Location location) {
		boolean success = false;
		//ToDo: to be nice put the api key into the request
		String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=" + location.getLatitude() + "%2C" + location.getLongitude() + "&v=1.0";
		//String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=56.2%2C9.0&v=1.0";

		try {
			String data = DownloadUtil.getContentString(urlSource, 30000);
			StringBuilder builder = new StringBuilder(data);

			while (builder.charAt(0) != '{')
				builder.deleteCharAt(0);
			while (builder.charAt(builder.length()-1) != '}')
				builder.deleteCharAt(builder.length()-1);

			JSONObject json = new JSONObject(builder.toString());
			// now have some fun with the results...
			JSONArray res = json.getJSONArray("results");

			Location tmpLocation = new Location("gps");
			stations.clear();

			for (int i=0; i<res.length(); i++) {
				JSONObject jsonStation = res.getJSONObject(i);

				double lat = jsonStation.getDouble("lat");
				double lng = jsonStation.getDouble("lng");
				String title = jsonStation.getString("title");
				String addr = jsonStation.getString("streetAddress");
				tmpLocation.setLatitude(lat);
				tmpLocation.setLongitude(lng);

				float distance = location.distanceTo(tmpLocation);

				stations.add( new StationBean(title,lat,lng,(int)distance,addr) );

				Log.e("Location", title + " " + lat +"," + lng);
			}

			success = true;
		} catch (Exception e) {
			Log.e("Location","Location",e);
		}
		return success;
	}

	@Override
	public List<StationBean> getStations() {
		return stations;
	}


}