samuelchassot/SDP-SwissTeam

package ch.epfl.swissteam.services.view.activities;

import android.content.Intent;
import android.graphics.Color;
import android.location.Location;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.squareup.picasso.Picasso;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import ch.epfl.swissteam.services.view.builders.PostAdapter;
import ch.epfl.swissteam.services.R;
import ch.epfl.swissteam.services.providers.TodoListDBUtility;
import ch.epfl.swissteam.services.utils.TodoListDbHelper;
import ch.epfl.swissteam.services.models.Post;
import ch.epfl.swissteam.services.models.User;
import ch.epfl.swissteam.services.providers.DBUtility;
import ch.epfl.swissteam.services.providers.GoogleSignInSingleton;
import ch.epfl.swissteam.services.providers.LocationManager;

import static ch.epfl.swissteam.services.view.activities.NewProfileDetailsActivity.GOOGLE_ID_TAG;

/**
 * Activity which displays a {@link Post} and various informations about it
 *
 * @author Julie Giunta
 */
public class PostActivity extends NavigationDrawerActivity implements OnMapReadyCallback {

    private static final String POST_MAPVIEW_BUNDLE_KEY = "PostMapViewBundleKey";
    private static final int COLOR_OF_CHECKED_TODO_BUTTON = Color.rgb(100, 170, 100);

    private Post post_;
    private User user_;
    private View headerLayout_;
    private TextView username_, title_, body_, date_;
    private ImageView picture_;
    private double postLng_, postLat_;

    private GoogleMap googleMap_;
    private MapView mapView_;
    private Marker marker_;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_post);
        super.onCreateDrawer(ToogleState.BACK);

        // Retrieve the post from the intent which started this activity
        Intent callingIntent = getIntent();
        post_ = callingIntent.getParcelableExtra(PostAdapter.POST_TAG);

        //Retrieve the location of the post
        postLng_ = post_.getLongitude_();
        postLat_ = post_.getLatitude_();

        //Connect Google Maps view
        Bundle mapViewBundle = null;
        if (savedInstanceState != null) {
            mapViewBundle = savedInstanceState.getBundle(POST_MAPVIEW_BUNDLE_KEY);
        }

        mapView_ = findViewById(R.id.mapview_postactivity);
        mapView_.onCreate(mapViewBundle);
        mapView_.getMapAsync(this);

        //Connect the element of the layout with the corresponding attribute
        headerLayout_ = findViewById(R.id.framelayout_postactivity_header);
        username_ = findViewById(R.id.textview_postactivity_username);
        title_ = findViewById(R.id.textview_postactivity_title);
        body_ = findViewById(R.id.textview_postactivity_body);
        date_ = findViewById(R.id.textview_postactivity_date);
        picture_ = findViewById(R.id.imageview_postactivity_picture);

        //Set the onClickListener of the linearLayout
        headerLayout_.setOnClickListener(view -> {
            Intent profileIntent = new Intent(this, ProfileActivity.class);
            profileIntent.putExtra(GOOGLE_ID_TAG, post_.getGoogleId_());
            startActivity(profileIntent);
        });

        //Set the different fields
        title_.setText(post_.getTitle_());
        body_.setText(post_.getBody_());
        date_.setText((new SimpleDateFormat("dd/MM/yyyy", Locale.FRENCH)).format(new Date(post_.getTimestamp_()).getTime()));

        //Retrieve the user
        DBUtility.get().getUser(post_.getGoogleId_(), (user -> {
            user_ = user;
            username_.setText(user_.getName_());
            Picasso.get().load(user_.getImageUrl_()).into(picture_);
        }));

        //Location of the post
        Location postLocation = new Location("");
        postLocation.setLongitude(postLng_);
        postLocation.setLatitude(postLat_);

        Location userLocation = LocationManager.get().getCurrentLocation_();

        if(userLocation != null) {
            float distance = postLocation.distanceTo(userLocation) / 1000;
            ((TextView)findViewById(R.id.textview_postactivity_distance)).setText(this.getResources().getString(R.string.homefragment_postdistance, distance));
        }
        else {
            ((TextView)findViewById(R.id.textview_postactivity_distance)).setText(this.getResources().getString(R.string.homefragment_postdistance, LocationManager.MAX_POST_DISTANCE / LocationManager.M_IN_ONE_KM));
        }

        // Add post in TodoList if it is not already in
        setTodoButtonBehavior();

    }

    private void setTodoButtonBehavior() {
        TodoListDbHelper todoListDbHelper = new TodoListDbHelper(this);
        String user = GoogleSignInSingleton.get().getClientUniqueID();

        if (TodoListDBUtility.isPostInDB(todoListDbHelper, user, post_.getKey_())) {
            findViewById(R.id.button_postactivity_todo).setBackgroundColor(COLOR_OF_CHECKED_TODO_BUTTON);
            findViewById(R.id.button_postactivity_todo).setClickable(false);
        }

        findViewById(R.id.button_postactivity_todo).setOnClickListener(view -> {
            if (!TodoListDBUtility.isPostInDB(todoListDbHelper, user, post_.getKey_())) {
                TodoListDBUtility.addPost(todoListDbHelper, user, post_.getKey_());
            }
            findViewById(R.id.button_postactivity_todo).setClickable(false);
            findViewById(R.id.button_postactivity_todo).setBackgroundColor(COLOR_OF_CHECKED_TODO_BUTTON);
        });

    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        super.onMapReady(googleMap);
        googleMap_ = googleMap;
        googleMap_.setMinZoomPreference(12);

        // Add a marker where the post is.
        LatLng postLatLng = new LatLng(postLat_, postLng_);
        marker_ = googleMap_.addMarker(new MarkerOptions().position(postLatLng).title(post_.getTitle_()));
        googleMap_.moveCamera(CameraUpdateFactory.newLatLng(postLatLng));
    }

    @Override
    public void onStart() {
        super.onStart();
        mapView_.onStart();
    }

    @Override
    public void onResume() {
        super.onResume();
        mapView_.onResume();
    }

    @Override
    public void onStop() {
        super.onStop();
        mapView_.onStop();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        mapView_.onDestroy();
    }

    @Override
    public void onPause() {
        super.onPause();
        mapView_.onPause();
    }

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

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        Bundle mapViewBundle = outState.getBundle(POST_MAPVIEW_BUNDLE_KEY);
        if (mapViewBundle == null) {
            mapViewBundle = new Bundle();
            outState.putBundle(POST_MAPVIEW_BUNDLE_KEY, mapViewBundle);
        }

        mapView_.onSaveInstanceState(mapViewBundle);
    }

    /**
     * !Just for testing!
     * Methods to get the marker corresponding to the location of the post
     * in the Google Maps view.
     *
     * @return the marker of the post
     */
    public Marker getMarker(){
        return marker_;
    }
}