package com.example.geosave;

import android.app.Service;
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.content.Context;
import android.util.Log;

public class GPSService extends Service implements LocationListener {

    /*Adresse et la position d'une alerte*/
    private String address;
    private Coordinates coords;
    private static final long MIN_DISTANCE = 10;
    private static final long MIN_TIME = 5000;

    private final Context mContext; //TODO : se renseigner sur le context dans Android

    /*Variable qui permettent de savoir comment on va obtenir nos coordonnées*/
    boolean isGPSEnable = false;
    boolean isNetworkEnable = false;
    boolean canGetLocation = false;

    Location location;
    double longitude;
    double latitude;

    protected LocationManager locationManager;

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

    public void getLocation(){
        locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);

        /*On regarde si on a les coordonnées via le netword ou le gps*/
        isGPSEnable = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
        isNetworkEnable = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);

        if(!isGPSEnable && !isNetworkEnable){
            //TODO : message disant que l'utilisateur doit activer wifi ou localisation
        }
        else{
            this.canGetLocation = true;

            /*On essaye de récupérer les coordonnées GPS via le réseau*/
            if(isNetworkEnable){
                locationManager.requestLocationUpdates(locationManager.NETWORK_PROVIDER,MIN_TIME,MIN_DISTANCE,this);
                //Log.d("tag","message");
                if(locationManager != null){
                    location = locationManager.getLastKnownLocation(locationManager.NETWORK_PROVIDER);
                }
                if(location != null){
                    this.latitude = location.getLatitude();
                    this.longitude = location.getLongitude();
                }
            }

            /*On essaye de récupérer les coordonnées GPS via le service GPS*/
            if(isGPSEnable){
                if(location == null){
                    locationManager.requestLocationUpdates(locationManager.NETWORK_PROVIDER,MIN_TIME,MIN_DISTANCE,this);
                    //Log.d("tag","message");
                    if(locationManager != null){
                        location = locationManager.getLastKnownLocation(locationManager.GPS_PROVIDER);
                        if(location != null){
                            this.latitude = location.getLatitude();
                            this.longitude = location.getLongitude();
                            Log.v("POSITION", Double.toString(latitude));

                        }
                    }
                }
            }
        }
    }

    public void onCreate(){
        getLocation();
    }

    public void onDestroy(){

    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }

    @Override
    public void onLocationChanged(Location location) {

    }

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

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }
}