void setRolesToUsers() {
		int users = UserList.ready_users.size();
		GUI.println("users count " + users);
		String[] roles = new String[users ];
		roles[0] = "mafia";
		roles[1] = "doctor";
		for (int i = 2; i < users; i++) {
			roles[i] = "civilian";
		}

		shuffle(roles);
		int i = 0;
		for (User value : UserList.ready_users.values()) {
			value.role = roles[i];
			cards.put( value.port + "", value.role);
			i++;
		}
	}