/* ownCloud Android client application
 *   Copyright (C) 2011  Bartek Przybylski
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package eu.alefzero.owncloud.location;

import android.app.IntentService;
import android.content.Intent;
import android.content.SharedPreferences;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.location.LocationProvider;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.Toast;

public class LocationUpdateService extends IntentService implements LocationListener {

	public static final String TAG = "LocationUpdateService";
	
	private LocationManager mLocationManager;
	private LocationProvider mLocationProvider;
	private SharedPreferences mPreferences;
	
	public LocationUpdateService() {
		super(TAG);
	}

	@Override
	protected void onHandleIntent(Intent intent) {
		mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
		// Determine, how we can track the device
		Criteria criteria = new Criteria();
		criteria.setAccuracy(Criteria.ACCURACY_FINE);
		criteria.setPowerRequirement(Criteria.POWER_LOW);
		mLocationProvider = mLocationManager.getProvider(mLocationManager.getBestProvider(criteria, true));
		
		// Notify user if there is no way to track the device
		if(mLocationProvider == null){
			Toast.makeText(this, eu.alefzero.owncloud.R.string.location_no_provider, Toast.LENGTH_LONG);
			stopSelf();
			return;
		}
		
		// Get preferences for device tracking
		mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
		boolean trackDevice = mPreferences.getBoolean("enable_devicetracking", true);
		int updateIntervall = Integer.parseInt(mPreferences.getString("devicetracking_update_intervall", "30")) * 60 * 1000;
		int distanceBetweenLocationChecks = 50;
		
		// If we do shall track the device -> Stop
		if(!trackDevice){
			Log.d(TAG, "Devicetracking is disabled");
			stopSelf();
			return;
		}
		
		mLocationManager.requestLocationUpdates(mLocationProvider.getName(), updateIntervall, distanceBetweenLocationChecks, this);
	}

	@Override
	public void onLocationChanged(Location location) {
		Log.d(TAG, "Location changed: " + location);
		
	}

	@Override
	public void onProviderDisabled(String arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void onProviderEnabled(String arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
		// TODO Auto-generated method stub
		
	}


}