package pg.eti.mam.lab2;

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.GpsStatus;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;


public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        final LocationManager lm;
        LocationListener locationListener;
        lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        locationListener = new MyLocationListner();

        if ((ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) && (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED)) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            return;
        }
        lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
        lm.addNmeaListener(new GpsStatus.NmeaListener() {
            @Override
            public void onNmeaReceived(long timestamp, String nmea) {
                File fex = Environment.getExternalStorageDirectory();
                fex = new File(fex, "plik_w_przestrzeni_publicznej.txt");
                FileOutputStream fos = null;
                try {
                    boolean append = true;
                    fos = new FileOutputStream(fex, append);
                } catch (FileNotFoundException ex) {
                    //zareaguj na problem
                }
                PrintWriter pw = new PrintWriter(fos);
                pw.println(timestamp + "\t" + nmea);
                pw.close();
            }
        });

        lm.addGpsStatusListener(new GpsStatus.Listener() {
            @Override
            public void onGpsStatusChanged(int event) {
                File fex = Environment.getExternalStorageDirectory();
                fex = new File(fex, "GPSstatus1.nmea");
                FileOutputStream fos = null;
                try {
                    boolean append = true;
                    fos = new FileOutputStream(fex, append);
                } catch (FileNotFoundException ex) {
                    //zareaguj na problem
                }
                PrintWriter pw = new PrintWriter(fos);
                if (ActivityCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                    return;
                }
                GpsStatus gpsStatus = lm.getGpsStatus(null);
                gpsStatus.getSatellites();
                pw.println(gpsStatus.getSatellites());
                pw.close();

            }
        });
    }

    //  EditText edTx2 = (EditText)findViewById(R.id.entry);

}


class MyLocationListner implements LocationListener {


    @Override
    public void onLocationChanged(Location loc) {


        if (loc != null) {

            String lat, Longi, predkosc, kireunek;
            lat = String.valueOf(loc.getLatitude());
            Longi = String.valueOf(loc.getLongitude());
            predkosc = String.valueOf(loc.getSpeed());


            //  pw.println("lat:"+ lat + "longi:"+ Longi + "predkosc:" + predkosc);

        } else{}
        //     edTx.setText("Location is null");


    }

    @Override
    public void onProviderDisabled(String provider) {

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

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

    }
}