package com.guns.reporte.conflicto;

import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;

public class Rastreador extends Service implements LocationListener {

   private final Context mContext;

   // flag for GPS status
   boolean isGPSEnabled = false;

   // flag for network status
   boolean isNetworkEnabled = false;

   // flag for GPS status
   boolean canGetLocation = false;

   Location location; // location
   double latitude; // latitude
   double longitude; // longitude

   // The minimum distance to change Updates in meters
   private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters

   // The minimum time between updates in milliseconds
   private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute

   // Declaring a Location Manager
   protected LocationManager locationManager;

   public Rastreador(Context context) {
       this.mContext = context;
       getLocation();
   }

   public Location getLocation() {
       try {
           locationManager = (LocationManager) mContext
                   .getSystemService(LOCATION_SERVICE);

           // getting GPS status
           isGPSEnabled = locationManager
                   .isProviderEnabled(LocationManager.GPS_PROVIDER);

           // getting network status
           isNetworkEnabled = locationManager
                   .isProviderEnabled(LocationManager.NETWORK_PROVIDER);

           if (!isGPSEnabled && !isNetworkEnabled) {
               // no network provider is enabled
           } else {
               this.canGetLocation = true;
               // First get location from Network Provider
               if (isNetworkEnabled) {
                   locationManager.requestLocationUpdates(
                           LocationManager.NETWORK_PROVIDER,
                           MIN_TIME_BW_UPDATES,
                           MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
                   Log.d("Network", "Network");
                   if (locationManager != null) {
                       location = locationManager
                               .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                       if (location != null) {
                           latitude = location.getLatitude();
                           longitude = location.getLongitude();
                       }
                   }
               }
               // if GPS Enabled get lat/long using GPS Services
               if (isGPSEnabled) {
                   if (location == null) {
                       locationManager.requestLocationUpdates(
                               LocationManager.GPS_PROVIDER,
                               MIN_TIME_BW_UPDATES,
                               MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
                       Log.d("GPS Enabled", "GPS Enabled");
                       if (locationManager != null) {
                           location = locationManager
                                   .getLastKnownLocation(LocationManager.GPS_PROVIDER);
                           if (location != null) {
                               latitude = location.getLatitude();
                               longitude = location.getLongitude();
                           }
                       }
                   }
               }
           }

       } catch (Exception e) {
           e.printStackTrace();
       }

       return location;
   }

   /**
    * Stop using GPS listener
    * Calling this function will stop using GPS in your app
    * */
   public void stopUsingGPS(){
       if(locationManager != null){
           locationManager.removeUpdates(Rastreador.this);
       }
   }

   /**
    * Function to get latitude
    * */
   public double getLatitude(){
       if(location != null){
           latitude = location.getLatitude();
       }

       // return latitude
       return latitude;
   }

   /**
    * Function to get longitude
    * */
   public double getLongitude(){
       if(location != null){
           longitude = location.getLongitude();
       }

       // return longitude
       return longitude;
   }

   /**
    * Function to check GPS/wifi enabled
    * @return boolean
    * */
   public boolean canGetLocation() {
       return this.canGetLocation;
   }

   /**
    * Function to show settings alert dialog
    * On pressing Settings button will lauch Settings Options
    * */
   public void showSettingsAlert(){
       AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);

       // Setting Dialog Title
       alertDialog.setTitle("GPS is settings");

       // Setting Dialog Message
       alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");

       // On pressing Settings button
       alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog,int which) {
               Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
               mContext.startActivity(intent);
           }
       });

       // on pressing cancel button
       alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int which) {
           dialog.cancel();
           }
       });

       // Showing Alert Message
       alertDialog.show();
   }

   @Override
   public void onLocationChanged(Location location) {
   }

   @Override
   public void onProviderDisabled(String provider) {
   }

   @Override
   public void onProviderEnabled(String provider) {
   }

   @Override
   public void onStatusChanged(String provider, int status, Bundle extras) {
   }

   @Override
   public IBinder onBind(Intent arg0) {
       return null;
   }

}