/**
 * CardOffice represents the UW card office.  It provides static
 * methods that allow people to replace their UW cards.
 */
public class CardOffice {

  /**
   * @return a new UW ID card for person.
   */
  public static Card makeCard(UWPerson person) {
    if (isStudentNumber(person.idNumber())) {
      List privileges = new ArrayList();
      privileges =
	PersonellOffice.getBuildingAccess(person.idNumber(),
					  PersonellOffice.getDorm(person.idNumber()));
      return new Card(person.name(), person.idNumber(),
		      Color.PURPLE, "Student", privileges);
    }
    else if (isFacultyNumber(person.idNumber())) {
      List privileges = new ArrayList();
      privileges =
	PersonellOffice.getFacultyPrivileges(person.idNumber());
      
      return new Card(person.name(), person.idNumber(),
		      Color.PURPLE, "Faculty", privileges);

    }
    else {
      throw new RuntimeException("unknown person type.");
    }
  }

  /**
   * @return true iff idNumber is the id number of a student.
   */
  private static boolean isStudentNumber(String idNumber) {
    return (idNumber.startsWith("9"));
  }

  /**
   * @return true iff idNumber is the id number of a faculty member.
   **/
  private static boolean isFacultyNumber(String idNumber) {
      return (idNumber.startsWith("8"));
  }

}