/******************************************************************************

  * MosaicSetupFormController.java - The Spring controller to edit PicMan's Mosaic setup

  * 

  * PicMan - The BuckoSoft Picture Manager in Java

  * Copyright(c) 2007 - Dick Balaska

  * 

  */

 package com.buckosoft.PicMan.web;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.Iterator;

 import java.util.List;

 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.business.mosaic.MosaicEngine;

 import com.buckosoft.PicMan.business.mosaic.MosaicEngine.ConfigItem;

 import com.buckosoft.PicMan.db.DatabaseFacade;

 import com.buckosoft.PicMan.domain.Mosaic;

 import com.buckosoft.PicMan.domain.User;

 import com.buckosoft.PicMan.web.MosaicSetupForm.MosaicConfig;

 /** The Spring controller to edit PicMan's Mosaic setup

  * @author Dick Balaska

  * @since 2007/12/17

  * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/web/MosaicSetupFormController.java">MosaicSetupFormController.java</a>

  */

 public class MosaicSetupFormController extends BSAccountSimpleFormController {

         private        final static boolean DEBUG = true;

     protected final Log logger = LogFactory.getLog(getClass());

         private DatabaseFacade dbf;

         private PicManFacade pmf;

         /** Set the reference to the PicMan Database

          * @param dbf The DatabaseFacade

          */

         public void setDatabase(DatabaseFacade dbf) { this.dbf = dbf; }

         //public DatabaseFacade getDatabase() { return(dbf); }

         /** Set the reference to the PicMan API.

          * @param pmf The PicManFacade

          */

         public void setPicMan(PicManFacade pmf) { this.pmf = pmf; }

         //public PicManFacade getPicMan() { return(pmf); }

         public MosaicSetupFormController() {

                 setSessionForm(true);

                 setValidateOnBinding(false);

                 setCommandName("mosaicSetupForm");

                 setFormView("MosaicSetupForm");

         }

         protected Object formBackingObject(HttpServletRequest request) throws Exception {

             BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);

             User user = (User)userWebSession.getUser();

                 if (DEBUG)

                         logger.info("formBackingObject mosaicForm with session " + userWebSession);

                 MosaicSetupForm mf = new MosaicSetupForm();

                 mf.setUserWebSession(userWebSession);

                 mf.setPicMan(pmf);

                 mf.setMosaic(new Mosaic());

                 mf.setMasterPic(user.getMosaicTestPic());

                 mf.setMosaicHeight(user.getMosaicTileHeight());

                 mf.setMosaicOutputFile(user.getMosaicOutputFile());

                 mf.setSets(dbf.getSets());

 //                mf.setMosaicSetName(user.getMosaicSetName());

                 List<Mosaic> list = dbf.getMosaics();

                 Iterator<Mosaic> iter = list.iterator();

                 while (iter.hasNext()) {

                         Mosaic m = iter.next();

                         if (m.isBatch())

                                 iter.remove();

                 }

                 Collections.sort(list);

                 mf.setMosaics(list);

                 MosaicConfig mc = MosaicSetupForm.getConfigs(list);

                 mf.setMosaicConfigs(mc.mosaicConfig);

                 mf.setMosaicEngineConfig(mc.engineConfig);

                 mf.setEngines(mc.engines);

                 return(mf);

         }

         protected void onBindAndValidate(HttpServletRequest request, Object command, BindException errors)

                         throws Exception {

                 MosaicSetupForm msf = (MosaicSetupForm)command;

                 if (request.getParameter("startBuilding") == null) {

                         msf.setStartBuilding(false);

                 } else

                         msf.setStartBuilding(true);

         }

         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 mosaicForm with session " + userWebSession);

                 return myModel;

         }

         protected ModelAndView onSubmit(

                         HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)

                         throws Exception {

             BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);

             User user = (User)userWebSession.getUser();

                 MosaicSetupForm msf = (MosaicSetupForm)command;

                 boolean userSettingsModified = false;

                 boolean success = true;

                 Mosaic mosaic = pmf.getDB().getMosaic(msf.getMosaic().getMid());

                 if (mosaic == null)

                         mosaic = new Mosaic();

                 mosaic.setName(msf.getMosaic().getName());

                 mosaic.setMasterPic(msf.getMasterPic());

                 mosaic.setSid(msf.getMosaicSid());

                 mosaic.setEngine(msf.getMosaicEngineName());

                 mosaic.setTileHeight(msf.getMosaicHeight());

                 mosaic.setOutPic(msf.getMosaicOutputFile());

                 String v;

                 HashMap<String, String> engineConfig = mosaic.getEngineConfig();

                 engineConfig.clear();

                 String n = msf.getMosaicEngineName();

                 if (n != null && n.length() > 0) {

                         MosaicEngine mosaicEngine = null;

                         try {

                                 mosaicEngine = (MosaicEngine)Class.forName("com.buckosoft.PicMan.business.mosaic.engine."

                                                                 + n).newInstance();

                         } catch (Exception e) {

                                 Exception ex = new Exception("Can't instantiate Mosaic Engine: " + n, e);

                                 pmf.addError(ex);

                                 logger.error(ex);

                         }

                         if (mosaicEngine != null) {

                                 HashMap<String, ConfigItem> configMap = mosaicEngine.getConfigMap();

                                 if (!configMap.isEmpty()) {

                                         for (String key : configMap.keySet()) {

                                                 //ConfigItem item = configMap.get(key);

                                                 if ((v = request.getParameter(key)) != null) {

                                                         engineConfig.put(key, v);

                                                         logger.info("put k=" + key + " v=" + v);

                                                 }

                                         }

                                 }

                         }

                 }

                 pmf.getDB().storeMosaic(mosaic);

                 if (user.getMosaicTileHeight() != msf.getMosaicHeight()) {

                         user.setMosaicTileHeight(msf.getMosaicHeight());

                         userSettingsModified = true;

                 }

                 if (user.getMosaicTestPic() != msf.getMasterPic()) {

                         user.setMosaicTestPic(msf.getMasterPic());

                         userSettingsModified = true;

                 }

 //                if (!user.getMosaicSetName().equals(msf.getMosaicSetName())) {

 //                        user.setMosaicSetName(msf.getMosaicSetName());

 //                        userSettingsModified = true;

 //                }

                 if (!user.getMosaicOutputFile().equals(msf.getMosaicOutputFile())) {

                         user.setMosaicOutputFile(msf.getMosaicOutputFile());

                         userSettingsModified = true;

                 }

                 if (userSettingsModified)

                         this.dbf.storeUser(user);

                 if (msf.isStartBuilding()) {

                         pmf.getMosaicMan().queueForBuilding(mosaic);

                 }

                 if (success && !response.isCommitted()) {

                         response.sendRedirect("mosaicSetup.do");

                         return(null);

                 }

                 else

                         return(showForm(request, response, errors));

         }

 }