/******************************************************************************
    * MosaicDisplayConfigFormController.java - The Spring controller to edit PicMan's Mosaic Display config
    * 
    * PicMan - The BuckoSoft Picture Manager in Java
    * Copyright(c) 2009 - Dick Balaska
    * 
    */
   package com.buckosoft.PicMan.web;
   
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.springframework.validation.BindException;
  import org.springframework.web.servlet.ModelAndView;
  
  import com.buckosoft.BSAccount.web.BSAccountSimpleFormController;
  import com.buckosoft.BSAccount.web.BSAccountUserWebSession;
  import com.buckosoft.PicMan.business.PicManFacade;
  import com.buckosoft.PicMan.domain.User;
  
  /** The Spring controller to edit the User's preferences for Mosaic Display
   * @author Dick Balaska
   * @since 2009/07/27
   * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/web/MosaicDisplayConfigFormController.java">MosaicDisplayConfigFormController.java</a>
   */
  public class MosaicDisplayConfigFormController extends BSAccountSimpleFormController {
  
  	private static final boolean DEBUG = false;
      protected final Log logger = LogFactory.getLog(getClass());
  
  	private PicManFacade	pmf;
  	
  	/** Set the reference to the PicMan API.
  	 * @param pmf The PicManFacade
  	 */
  	public void setPicMan(PicManFacade pmf) { this.pmf = pmf; }
  
  	public MosaicDisplayConfigFormController() {
  		setSessionForm(true);
  		setValidateOnBinding(false);
  		setCommandName("mosaicDisplayConfigForm");
  		setFormView("MosaicDisplayConfigForm");
  	}
  
  	protected Object formBackingObject(HttpServletRequest request) throws Exception {
  		BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);
  		User user = null;
  		if (userWebSession != null)
  			user = (User)userWebSession.getUser();
  		if (DEBUG)
  			logger.info("formBackingObject session " + userWebSession);
  		MosaicDisplayConfigForm mdcf = new MosaicDisplayConfigForm();
  
  		mdcf.setUserWebSession(userWebSession);
  		mdcf.setUser(user);
  
  		String v;
  		v = request.getParameter("removeMosaics");
  		if (v != null) {
  			int i = pmf.getMosaicMan().emptyMosaicQueue();
  			mdcf.setMessage("Removed " + i + " queued Mosaics");
  		}
  		return(mdcf);
  	}
  
  	protected void onBindAndValidate(HttpServletRequest request, Object command, BindException errors)
  			throws Exception {
  
  		if (DEBUG)
  			logger.info("onBindAndValidate");
  	}
  
  	protected Map<String, Object> referenceData(HttpServletRequest request) throws Exception {
      	BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);
  		Map<String, Object> myModel = new HashMap<String, Object>();
          myModel.put("userWebSession", userWebSession);
          if (DEBUG)
          	logger.info("referenceData session " + userWebSession);
  
  		return myModel;
  	}
  
  	protected ModelAndView onSubmit(
  			HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)
  			throws Exception {
  		boolean success = true;
  //		BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);
  //		User user = null;
  //		if (userWebSession != null)
  //			user = (User)userWebSession.getUser();
  
  		MosaicDisplayConfigForm mdcf = (MosaicDisplayConfigForm) command;
  
  			
 		pmf.getDB().storeUser(mdcf.getUser());
 		
 		if (success) {
 			try {
 				if (!response.isCommitted())
 					response.sendRedirect("mosaic.do");
 			} catch (IllegalStateException e) {
 				return super.onSubmit(request, response, command, errors);
 			}
 			return(null);
 		}
 		else
 			return super.onSubmit(request, response, command, errors);
 	}
 }