package de.tudarmstadt.informatik.hostage.commons;

import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.text.TextUtils;

public final class HelperUtils {

	
	public static String getSSID(Context context) {
		  String ssid = null;
		  ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
		  NetworkInfo networkInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
		  if (networkInfo != null && networkInfo.isConnected()) {
		    final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		    final WifiInfo connectionInfo = wifiManager.getConnectionInfo();
		    if (connectionInfo != null && !TextUtils.isEmpty(connectionInfo.getSSID())) {
		      ssid = connectionInfo.getSSID();
		    }
		  }
		  return ssid;
		}
	
	public static String getBSSID(Context context) {
		  String bssid = null;
		  ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
		  NetworkInfo networkInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
		  if (networkInfo != null && networkInfo.isConnected()) {
		    final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		    final WifiInfo connectionInfo = wifiManager.getConnectionInfo();
		    if (connectionInfo != null && !TextUtils.isEmpty(connectionInfo.getSSID())) {
		      bssid = connectionInfo.getBSSID();
		    }
		  }
		  return bssid;
		}
	
	public static String getInternalIP(Context context){
		  String ipAddress = null;
		  ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
		  NetworkInfo networkInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
		  if (networkInfo != null && networkInfo.isConnected()) {
			    final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
			    final WifiInfo connectionInfo = wifiManager.getConnectionInfo();	
			    if(connectionInfo != null){
					try {
						ipAddress = InetAddress.getByAddress(unpackInetAddress(connectionInfo.getIpAddress())).getHostAddress();
					} catch (UnknownHostException e) {
					}
			    }
		  }
		  return ipAddress;
	}
	
	private static byte[] unpackInetAddress(int bytes) {
		return new byte[] { (byte) ((bytes) & 0xff),
				(byte) ((bytes >>> 8) & 0xff), (byte) ((bytes >>> 16) & 0xff),
				(byte) ((bytes >>> 24) & 0xff) };
	}
	
	public static String getExternalIP (Context context) {
		String ipAddress = null;
		   try {
		        HttpClient httpclient = new DefaultHttpClient();
		        HttpGet httpget = new HttpGet("http://ip2country.sourceforge.net/ip2c.php?format=JSON");
		        HttpResponse response;

		        response = httpclient.execute(httpget);

		        HttpEntity entity = response.getEntity();
		        entity.getContentLength();
		        String str = EntityUtils.toString(entity);
		        JSONObject json_data = new JSONObject(str);
		        ipAddress = json_data.getString("ip");		        
		    }
		    catch (Exception e){}

		   return ipAddress;
	}


	
}