/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egiz.bku.online.applet;

import at.gv.egiz.bku.gui.BKUGUIFacade;
import at.gv.egiz.bku.gui.PINManagementGUIFacade;
import at.gv.egiz.bku.smccstal.PINManagementRequestHandler;
import at.gv.egiz.stal.ErrorResponse;
import at.gv.egiz.stal.InfoboxReadRequest;
import at.gv.egiz.stal.QuitRequest;
import at.gv.egiz.stal.STALResponse;
import at.gv.egiz.stal.SignRequest;
import at.gv.egiz.stal.ext.PINManagementRequest;
import at.gv.egiz.stal.ext.PINManagementResponse;
import java.util.Collections;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This BKU Worker does not connect to STAL webservice
 * (no Internet connection permitted while activating PINs).
 * 
 * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
 */
public class PINManagementBKUWorker extends AppletBKUWorker {
  
  private final Logger log = LoggerFactory.getLogger(PINManagementBKUWorker.class);

  public PINManagementBKUWorker(BKUApplet applet, PINManagementGUIFacade gui) {
    super(applet, gui);
    removeRequestHandler(InfoboxReadRequest.class);
    removeRequestHandler(SignRequest.class);
    addRequestHandler(PINManagementRequest.class, new PINManagementRequestHandler());
  }

  @Override
  public void run() {
    gui.showMessageDialog(BKUGUIFacade.TITLE_WELCOME,
            BKUGUIFacade.MESSAGE_WELCOME);

    try {

      List<STALResponse> responses = handleRequest(Collections.singletonList(new PINManagementRequest()));
      handleRequest(Collections.singletonList(new QuitRequest()));
      
      if (responses.size() == 1) {
        STALResponse response = responses.get(0);
        if (response instanceof PINManagementResponse) {
          log.debug("PIN management dialog terminated.");
        } else if (response instanceof ErrorResponse) {
          log.debug("PIN management dialog terminated with error.");
        } else {
          throw new RuntimeException("Invalid STAL response: " + response.getClass().getName());
        }
      } else {
        throw new RuntimeException("invalid number of STAL responses: " + responses.size());
      }

    } catch (RuntimeException ex) {
      log.error(ex.getMessage());
      Throwable cause = ex.getCause();
      if (cause != null) { // && cause instanceof InterruptedException) {
        log.info(cause.getMessage());
      }
      showErrorDialog(BKUGUIFacade.ERR_UNKNOWN, null);
    } catch (Exception ex) {
      log.error(ex.getMessage(), ex);
      showErrorDialog(BKUGUIFacade.ERR_UNKNOWN_WITH_PARAM, ex);
    } finally {
      if (signatureCard != null) {
        signatureCard.disconnect(false);
      }
    }

    applet.sendRedirect();
  }

  }