Untitled

    public List<Pair<String, Integer>> getTop(Stat stat) {
        Validate.isTrue(isConnected());

        MongoDatabase database = client.getDatabase(databaseName);
        MongoCollection<Document> collection = database.getCollection("stats");

        List<Pair<String, Integer>> list = new ArrayList<>();

        try (MongoCursor<Document> iterator = collection.find().iterator()) {
            while (iterator.hasNext()) {
                Document doc = iterator.next();
                String[] groups = {"SOLO", "DOUBLES", "TRIO", "SQUAD", "FOUR_VS_FOUR"};

                List<List<Integer>> dataLists = Arrays.stream(groups)
                        .map(group -> doc.getList("data_" + group, Integer.class, Stat.DEFAULTS))
                        .toList();
                Integer data = IntStream.range(0, Stat.DEFAULTS.size())
                        .map(j -> dataLists.stream().mapToInt(subList -> subList.get(j)).sum())
                        .boxed()
                        .toList()
                        .get(stat.getIndex());

                list.add(new Pair<>(doc.getString("username_case_sensitive"), stat == Stat.LEVEL ? Stat.getLevel(data) : data));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        while (list.size() < 20) {
            list.add(new Pair<>("None", 0));
        }

        list.sort(Comparator.comparingInt(pair -> -pair.value()));

        return list.subList(0, 12);
    }