package ktu.org.vietos;

import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;

public class Koordinates extends AppCompatActivity implements LocationListener {
    private LocationManager locationManager;
    private Location lastLocation;
    private int skaitliukas;
    private boolean arSekti;
    //  private SimpleDateFormat df = new SimpleDateFormat("yyyy.MM.dd-HH:mm:ss");
    private ListView listView;
    private ArrayAdapter<String> adapteris;
    private ArrayList<String> vietuSarasas = new ArrayList<String>();
    Location oldLoc = new Location("");

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_koordinates);
        listView = (ListView) findViewById(R.id.listView1);
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        // Patikrinimas ar GPS ijungtas
        if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
            Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
            startActivity(intent);
        }

        Toast.makeText(getApplicationContext(),
                String.format("Visi vietos teikėjai: %s", locationManager.getAllProviders().toString()),
                Toast.LENGTH_SHORT).show();

        vietuSarasas.add("Nustatytos vietos koordinatės:");
        adapteris = new ArrayAdapter<String>(getBaseContext(), R.layout.saraso_irasas, vietuSarasas);
        listView.setAdapter(adapteris);
    }

    @Override
    protected void onPause() {
        super.onPause();
        tracking(arSekti = false);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.meniu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.meniu1:
                tracking(!arSekti);
                Toast.makeText(getApplicationContext(),
                        String.format("Vietos nustatymas %s", arSekti ? "išjungtas" : "įjungtas"), Toast.LENGTH_SHORT)
                        .show();
                arSekti = !arSekti;
                return true;
            case R.id.meniu2:
                startActivity(new Intent(this, Koordinates.class));
                return true;
            case R.id.meniu3:
                startActivity(new Intent(this, Zemelapis.class));
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    private void tracking(boolean enabled) {
        if (enabled) {
            if (locationManager.getAllProviders().contains(LocationManager.GPS_PROVIDER)) {
                locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 50,
                        this);
            }
            if (locationManager.getAllProviders().contains(LocationManager.NETWORK_PROVIDER)) {
                locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000,
                        50, this);
            }
        } else {
            locationManager.removeUpdates(this);
        }
    }

    public void onLocationChanged(Location loc) {
        if (loc != null) {
            if (lastLocation != null) {

                double time = loc.getTime();
                double oldTime = oldLoc.getTime();
                double timeDifference = (time-oldTime)/1000;

                double distance = oldLoc.distanceTo(loc);
                distance = Math.round(distance * 100.0) / 100.0;
                double speed = distance/timeDifference;
                speed = Math.round(speed * 100.0) / 100.0;

                vietuSarasas.add(1, String.format("%d. Koordinatės xd: %f:%f nukeliautas atstumas metrais: %f laikas tarp tasku s %f greitis m/s %f",
                        ++skaitliukas, loc.getLatitude(), loc.getLongitude(), distance, timeDifference, speed ));
                oldLoc = loc;
                listView.setAdapter(adapteris);

            }
            lastLocation = loc;
        }
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        Toast.makeText(getApplicationContext(),
                String.format("Teikėjo %s būsena pakeista į %d", provider, status),
                Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onProviderEnabled(String provider) {
        Toast.makeText(getApplicationContext(), String.format("Teikėjas %s yra įjungtas", provider),
                Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onProviderDisabled(String provider) {
        Toast.makeText(getApplicationContext(), String.format("Teikėjas %s yra išjungtas", provider),
                Toast.LENGTH_SHORT).show();
    }
}