CultureQuestORG/SDP2023

package ch.epfl.culturequest.ui.events;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.DividerItemDecoration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import java.util.Objects;

import ch.epfl.culturequest.R;
import ch.epfl.culturequest.authentication.Authenticator;
import ch.epfl.culturequest.database.Database;
import ch.epfl.culturequest.databinding.ActivityEventsBinding;
import ch.epfl.culturequest.social.Profile;
import ch.epfl.culturequest.ui.events.sightseeing.SightseeingRecycleViewAdapter;
import ch.epfl.culturequest.ui.events.tournaments.TournamentsRecycleViewAdapter;
import ch.epfl.culturequest.utils.AndroidUtils;

/**
 * This class represents the activity that is opened from the home fragment when we
 * want to see tournaments or events.
 */
public class EventsActivity extends AppCompatActivity {

    private ActivityEventsBinding binding;
    private Button sightseeingButton, tournamentsButton;
    private MutableLiveData<Boolean> searchingForUsers = new MutableLiveData<>(true);
    private EventsViewModel eventsViewModel;
    private RecyclerView eventsRecyclerView;
    private SightseeingRecycleViewAdapter sightseeingRecycleViewAdapter;
    private TournamentsRecycleViewAdapter tournamentsRecycleViewAdapter;

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

        Authenticator.checkIfUserIsLoggedIn(this);

        binding = ActivityEventsBinding.inflate(getLayoutInflater());
        AndroidUtils.removeStatusBar(getWindow());
        setContentView(binding.getRoot());

        sightseeingButton = binding.sightseeingButton;
        sightseeingButton.setOnClickListener(this::displaySigthseeing);

        tournamentsButton = binding.tournamentsButton;
        tournamentsButton.setOnClickListener(this::displayTournaments);

        eventsRecyclerView = binding.eventsRecyclerView;

        eventsViewModel = new ViewModelProvider(this).get(EventsViewModel.class);
        sightseeingRecycleViewAdapter = new SightseeingRecycleViewAdapter(eventsViewModel);
        tournamentsRecycleViewAdapter = new TournamentsRecycleViewAdapter(eventsViewModel);

        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this);
        eventsRecyclerView.setLayoutManager(layoutManager);
        eventsRecyclerView.setAdapter(sightseeingRecycleViewAdapter);
        eventsRecyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));


        String redirect = getIntent().getStringExtra("redirect");
        if (redirect != null) {
            if (Profile.getActiveProfile() != null) {
                redirectToCorrectActivity(redirect);
            } else {
                Database.getProfile(Authenticator.getCurrentUser().getUid()).whenComplete((profile, throwable) -> {
                    if (throwable != null || profile == null) return;
                    Profile.setActiveProfile(profile);
                    redirectToCorrectActivity(redirect);
                });
            }
        }
    }

    // allows to redirect to the correct listview after an intent with redirection
    private void redirectToCorrectActivity(String redirect) {
        if (Objects.equals(redirect, "sightseeing")) {
            displaySigthseeing(binding.getRoot());
        }
        if (Objects.equals(redirect, "tournament")) {
            displayTournaments(binding.getRoot());
        }
    }

    private void swapColors() {
        if (Boolean.TRUE.equals(searchingForUsers.getValue())) {
            sightseeingButton.setBackgroundResource(R.drawable.rounded_button);
            sightseeingButton.setTextColor(getResources().getColor(R.color.white, null));
            tournamentsButton.setBackgroundResource(R.drawable.rounded_button_transparent);
            tournamentsButton.setTextColor(getResources().getColor(R.color.colorPrimary, null));
            eventsRecyclerView.setAdapter(sightseeingRecycleViewAdapter);
        } else {
            tournamentsButton.setBackgroundResource(R.drawable.rounded_button);
            tournamentsButton.setTextColor(getResources().getColor(R.color.white, null));
            sightseeingButton.setBackgroundResource(R.drawable.rounded_button_transparent);
            sightseeingButton.setTextColor(getResources().getColor(R.color.colorPrimary, null));
            eventsRecyclerView.setAdapter(tournamentsRecycleViewAdapter);
        }
    }

    /**
     * When we click on the button sightseeing, we want to display the sightseeing events
     *
     * @param v the view
     */
    public void displaySigthseeing(View v) {
        searchingForUsers.setValue(true);
        swapColors();
    }

    /**
     * When we click on the button tournaments, we want to display the tournaments
     *
     * @param v the view
     */
    public void displayTournaments(View v) {
        searchingForUsers.setValue(false);
        swapColors();
    }

    /**
     * Returns to the home fragment
     */
    public void goBack(View view) {
        super.onBackPressed();
    }
}