package br.com.bruno.firebasegooglemaps;

import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.Manifest;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;

import br.com.bruno.firebasegooglemaps.model.Local;

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback,LocationListener,ActivityCompat.OnRequestPermissionsResultCallback,LocalDialog.OnAddMarker {

    private LocationManager lm;
    private Location location;
    private double longitude = -25.429675;
    private double latitude = -49.271870;

    private FirebaseDatabase database;

    private static final int REQUEST_PERMISSION = 1;

    private GoogleMap map;


    private static String[] PERMISSIONS = {Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION};

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

        database = FirebaseDatabase.getInstance();

        SupportMapFragment mapFragment =
                (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

        initMaps();



    }

    public void initMaps(){
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
                != PackageManager.PERMISSION_GRANTED
                || ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                != PackageManager.PERMISSION_GRANTED) {

            requestPermissions();

        } else {
            lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
            location = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);
            lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 60000, this);
        }
    }


    @Override
    public void onMapReady(GoogleMap map) {
        this.map = map;
        if (lm != null) {
            if (location != null) {
                latitude = location.getLatitude();
                longitude = location.getLongitude();

            }
        }
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
                == PackageManager.PERMISSION_GRANTED
                || ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                == PackageManager.PERMISSION_GRANTED) {
            map.setMyLocationEnabled(true);
        }
        map.setTrafficEnabled(true);

        map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(latitude, longitude), 11));

        loadMarker();
    }
    public void addPin(){
        LocalDialog localDialog = LocalDialog.getInstance(this);
        localDialog.show(getSupportFragmentManager(), "localDialog");
    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.addMenu:
                addPin();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }




    @Override
    public void onLocationChanged(Location arg0) {

    }

    @Override
    public void onProviderDisabled(String arg0) {

    }

    @Override
    public void onProviderEnabled(String arg0) {

    }

    @Override
    public void onStatusChanged(String arg0, int arg1, Bundle arg2) {

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
        switch (requestCode) {
            case REQUEST_PERMISSION: {
                if (grantResults.length > 0
                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this,"Autorizado",Toast.LENGTH_SHORT).show();
                    initMaps();

                } else {
                    Toast.makeText(this,"Permissão negada",Toast.LENGTH_SHORT).show();
                }
                return;
            }

        }
    }

    private void requestPermissions() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.ACCESS_COARSE_LOCATION)
                || ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.ACCESS_FINE_LOCATION)) {


            Toast.makeText(this,"Permissão negada",Toast.LENGTH_SHORT).show();
        } else {
            ActivityCompat.requestPermissions(this,PERMISSIONS , REQUEST_PERMISSION);
        }
    }

    public void loadMarker(){
        DatabaseReference locais = database.getReference("locais");

        locais.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                Iterable<DataSnapshot> dataSnapshots = dataSnapshot.getChildren();
                map.clear();
                for (DataSnapshot dataSnapshot1 : dataSnapshots) {
                    Local local = dataSnapshot1.getValue(Local.class);
                    map.addMarker(new MarkerOptions().position(new LatLng(local.getLatitude(), local.getLongitude())).title(local.getNome()));
                }
            }

            @Override
            public void onCancelled(DatabaseError error) {
            }
        });
    }

    @Override
    public void onAddMarker() {
        loadMarker();
    }
}