public class UserManager {

    private HashMap<UUID, User> map;

    public UserManager() {
        map = new HashMap<>();
    }

    public void reload() {
        map.clear();
        BungeeCord.getInstance().getPlayers().stream().forEach(player -> map.put(player.getUniqueId(), new User(player)));
    }

    public User add(ProxiedPlayer player) {
        return map.put(player.getUniqueId(), new User(player));
    }

    public void remove(UUID uuid) {
        assert map.containsKey(uuid);

        map.remove(uuid);
    }

    public User get(UUID uuid) {
        return map.get(uuid);
    }

    public User getEntityByName(ProxiedPlayer player) {
        return map.get(player.getUniqueId().toString());
    }

    public UserEntity getEntityByName(String name) {

    }
}