package com.mapbox.mapboxsdk.testapp.activity.location;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;

import com.mapbox.android.core.permissions.PermissionsListener;
import com.mapbox.android.core.permissions.PermissionsManager;
import com.mapbox.mapboxsdk.location.LocationComponent;
import com.mapbox.mapboxsdk.location.modes.RenderMode;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.testapp.R;

import java.util.List;

public class LocationMapChangeActivity extends AppCompatActivity implements OnMapReadyCallback {

  private MapView mapView;
  private MapboxMap mapboxMap;
  private PermissionsManager permissionsManager;

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

    mapView = findViewById(R.id.mapView);
    FloatingActionButton stylesFab = findViewById(R.id.fabStyles);

    stylesFab.setOnClickListener(v -> {
      if (mapboxMap != null) {
        mapboxMap.setStyle(new Style.Builder().fromUrl(Utils.getNextStyle()));
      }
    });

    mapView.onCreate(savedInstanceState);

    if (PermissionsManager.areLocationPermissionsGranted(this)) {
      mapView.getMapAsync(this);
    } else {
      permissionsManager = new PermissionsManager(new PermissionsListener() {
        @Override
        public void onExplanationNeeded(List<String> permissionsToExplain) {
          Toast.makeText(LocationMapChangeActivity.this, "You need to accept location permissions.",
            Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onPermissionResult(boolean granted) {
          if (granted) {
            mapView.getMapAsync(LocationMapChangeActivity.this);
          } else {
            finish();
          }
        }
      });
      permissionsManager.requestLocationPermissions(this);
    }
  }

  @Override
  public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    permissionsManager.onRequestPermissionsResult(requestCode, permissions, grantResults);
  }

  @Override
  public void onMapReady(@NonNull MapboxMap mapboxMap) {
    this.mapboxMap = mapboxMap;
    mapboxMap.setStyle(new Style.Builder().fromUrl(Utils.getNextStyle()),
      style -> activateLocationComponent());
  }

  @SuppressLint("MissingPermission")
  private void activateLocationComponent() {
    LocationComponent locationComponent = mapboxMap.getLocationComponent();
    locationComponent.onStart();
    locationComponent.activateLocationComponent(this);
    locationComponent.setLocationComponentEnabled(true);
    locationComponent.setRenderMode(RenderMode.COMPASS);

    locationComponent.addOnLocationClickListener(
      () -> Toast.makeText(this, "Location clicked", Toast.LENGTH_SHORT).show());

    locationComponent.addOnLocationLongClickListener(
      () -> Toast.makeText(this, "Location long clicked", Toast.LENGTH_SHORT).show());
  }

  @Override
  protected void onStart() {
    super.onStart();
    mapView.onStart();
  }

  @Override
  protected void onResume() {
    super.onResume();
    mapView.onResume();
  }

  @Override
  protected void onPause() {
    super.onPause();
    mapView.onPause();
  }

  @Override
  protected void onStop() {
    super.onStop();
    mapView.onStop();
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    mapView.onSaveInstanceState(outState);
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    mapView.onDestroy();
  }

  @Override
  public void onLowMemory() {
    super.onLowMemory();
    mapView.onLowMemory();
  }
}