Arthelh/NCNF

package com.ncnf.views.fragments.organization;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.ncnf.R;
import com.ncnf.adapters.EventListAdapter;
import com.ncnf.models.Event;
import com.ncnf.repositories.OrganizationRepository;
import com.ncnf.views.fragments.event.EventFragment;

import java.util.LinkedList;
import java.util.List;

import javax.inject.Inject;

import dagger.hilt.android.AndroidEntryPoint;

import static com.ncnf.utilities.StringCodes.FRAGMENT_ORGANIZATION_TAG;

@AndroidEntryPoint
public class OrganizationEventsFragment extends Fragment {

    @Inject
    public OrganizationRepository organizationRepository;

    private String uuid;

    private RecyclerView recyclerView;
    private EventListAdapter adapter;
    private final List<Event> eventsList = new LinkedList<>();

    public OrganizationEventsFragment() {}

    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        setHasOptionsMenu(true);
        //if it is null it should fail
        this.uuid = this.getArguments().getString("organization_id");
        return inflater.inflate(R.layout.fragment_organization_events, container, false);
    }


    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        this.recyclerView = view.findViewById(R.id.organization_events_recyclerview);

        RecyclerView.LayoutManager lManager = new LinearLayoutManager(requireActivity());
        this.recyclerView.setLayoutManager(lManager);

        fetchOrganizationEvents();

    }

    @Override
    public void onCreateOptionsMenu(@NonNull Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.organization_events_menu, menu);
        //addOrgButton = menu.findItem(R.id.add_organization_button);
        super.onCreateOptionsMenu(menu, inflater);
    }


    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        //No switch case because R.ids won't be supported in switch case stmts soon
        if (id == R.id.add_event_organization_button) {
            createEvent();
        }
        return super.onOptionsItemSelected(item);
    }

    private void fetchOrganizationEvents() {
        //TODO check if uuid is corrected there
        organizationRepository.getByUUID(this.uuid).thenAccept(o -> {
            organizationRepository.getOrganizationEvents(o.get(0).getUuid().toString()).thenAccept(le -> {
                this.eventsList.clear();
                this.eventsList.addAll(le);
                this.adapter = new EventListAdapter(getContext(), this.eventsList, this::onEventClick);
                this.recyclerView.setAdapter(adapter);
            }).exceptionally(e -> {e.printStackTrace(); return null;});
        }).exceptionally(e -> {e.printStackTrace(); return null;});
    }

    private void createEvent() {
        Bundle args = new Bundle();
        args.putString("organization_id", this.uuid);

        EventCreateFragment eventCreateFrag = new EventCreateFragment();
        eventCreateFrag.setArguments(args);

        getParentFragmentManager().beginTransaction()
                .replace(R.id.organization_events_container, eventCreateFrag, null)
                .addToBackStack(FRAGMENT_ORGANIZATION_TAG)
                .commit();
    }

    private void onEventClick(Event e) {

        //It doesn't so create new corresponding Fragment
        EventFragment eventFrag = new EventFragment(e);

        getParentFragmentManager().beginTransaction()
                .replace(R.id.organization_events_container, eventFrag, null)
                .addToBackStack(FRAGMENT_ORGANIZATION_TAG)
                .commit();
    }

}