package de.uhilger.um.pub;

import de.uhilger.um.api.Api;
import static de.uhilger.um.api.UserMgr.MP_USER_DATA;
import static de.uhilger.um.api.UserMgr.SQL_GET_USER_DATA;
import static de.uhilger.um.api.UserMgr.WITHOUT_BLOBS;
import de.uhilger.um.daten.UserData;
import java.security.Principal;
import java.util.List;
import java.util.logging.Logger;

/**
 *
 */
public class SessionManager extends Api {
  
  private static final Logger logger = Logger.getLogger(SessionManager.class.getName());
  
  // /um/pub?c=de.uhilger.um.pub.SessionManager&m=getSessionUser
  public UserData getSessionUser() {
    UserData userData = new UserData();
    userData.setFirstName("nicht angemeldet");
    userData.setLastName("nicht angemeldet");
    userData.setId("nicht angemeldet");
    userData.setEmail("nicht angemeldet");
    Object p = getRequest().getUserPrincipal();
    if(p instanceof Principal) {
      String id = ((Principal) p).getName();
      logger.finer("User-ID: " + id);
      List userDataList = getDb().select(getSql(SQL_GET_USER_DATA), getMapper(MP_USER_DATA), WITHOUT_BLOBS, id);
      if(userDataList != null && userDataList.size() > 0) {
        Object o = userDataList.get(0);
        if(o instanceof UserData) {
          userData = (UserData) o;
        }
      }
    } else {
      logger.finer("getUserPrincipal returned null or no Principal");
    }
    return userData;
  }
  
  public String expireSession() {
    getRequest().getSession().invalidate();
    return "Die aktuelle Sitzung ist nicht mehr gueltig.";
  }
  
  
}