public class TeamManager {

    private TeamManager() {}
    private static TeamManager instance = new TeamManager();

    public static TeamManager getInstance() {

        return instance;

    }

    private List<Team> teams = new ArrayList<Team>();

    public void loadTeams() {



    }

    public Team getTeamOwnedBy(User owner) {

        for (Team t : teams) {

            if (t.getTeamOwner().getName().equalsIgnoreCase(owner.getName())) {

                return t;

            }

        }

        return null;

    }

    public Team getTeamFor(User user) {

        for (Team t : teams) {

            if (t.containsPlayer(user)) {

                return t;

            }

        }

        return null;

    }

    public void createNewTeam(User owner, String name) {

        teams.add(new Team(owner, name));

    }

    public void deleteTeam(String name) {

        for (Team t : teams) {

            if (t.getTeamName().equalsIgnoreCase(name)) {

                teams.remove(t);

            }

        }

    }

}