/*

  * Copyright 2006-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.actionlist.service.impl;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.config.property.ConfigContext;

 import org.kuali.rice.kew.actionitem.ActionItem;

 import org.kuali.rice.kew.actionitem.OutboxItemActionListExtension;

 import org.kuali.rice.kew.actionitem.dao.ActionItemDAO;

 import org.kuali.rice.kew.actionlist.ActionListFilter;

 import org.kuali.rice.kew.actionlist.dao.ActionListDAO;

 import org.kuali.rice.kew.actionlist.service.ActionListService;

 import org.kuali.rice.kew.actionrequest.ActionRequestValue;

 import org.kuali.rice.kew.actionrequest.Recipient;

 import org.kuali.rice.kew.actionrequest.service.ActionRequestService;

 import org.kuali.rice.kew.actiontaken.ActionTakenValue;

 import org.kuali.rice.kew.doctype.bo.DocumentType;

 import org.kuali.rice.kew.exception.WorkflowServiceErrorException;

 import org.kuali.rice.kew.exception.WorkflowServiceErrorImpl;

 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.useroptions.UserOptions;

 import org.kuali.rice.kew.useroptions.UserOptionsService;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.kuali.rice.kim.api.entity.principal.Principal;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.kim.api.group.GroupService;

 import java.sql.Timestamp;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Date;

 import java.util.Iterator;

 import java.util.List;

 /**

  * Default implementation of the {@link ActionListService}.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class ActionListServiceImpl implements ActionListService {

     protected final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(getClass());

     private ActionListDAO actionListDAO;

     private ActionItemDAO actionItemDAO;

     public Collection<Recipient> findUserSecondaryDelegators(String principalId) {

         return getActionItemDAO().findSecondaryDelegators(principalId);

     }

     public Collection<Recipient> findUserPrimaryDelegations(String principalId) {

         return getActionItemDAO().findPrimaryDelegationRecipients(principalId);

     }

     public Collection<ActionItem> getActionList(String principalId, ActionListFilter filter) {

          return getActionListDAO().getActionList(principalId, filter);

     }

     public Collection<ActionItem> getActionListForSingleDocument(String documentId) {

          return getActionListDAO().getActionListForSingleDocument(documentId);

     }

     public void setActionListDAO(ActionListDAO actionListDAO) {

         this.actionListDAO = actionListDAO;

     }

     public ActionListDAO getActionListDAO() {

         return actionListDAO;

     }

     public boolean refreshActionList(String principalId) {

         return KEWServiceLocator.getUserOptionsService().refreshActionList(principalId);

     }

     public void deleteActionItem(ActionItem actionItem) {

             deleteActionItem(actionItem, false);

     }

     public void deleteActionItem(ActionItem actionItem, boolean forceIntoOutbox) {

         try {

             KEWServiceLocator.getUserOptionsService().saveRefreshUserOption(actionItem.getPrincipalId());

         } catch (Exception e) {

             LOG.error("error saving refreshUserOption", e);

         }

         getActionItemDAO().deleteActionItem(actionItem);

         // remove notification from KCB

         List<ActionItem> l = new ArrayList<ActionItem>(1);

         l.add(actionItem);

         KEWServiceLocator.getNotificationService().removeNotification(l);

         this.saveOutboxItem(actionItem, forceIntoOutbox);

     }

     public void deleteByDocumentId(String documentId) {

         Collection<ActionItem> actionItems = findByDocumentId(documentId);

         for (Iterator<ActionItem> iter = actionItems.iterator(); iter.hasNext();) {

             ActionItem actionItem = iter.next();

             try {

                 KEWServiceLocator.getUserOptionsService().saveRefreshUserOption(actionItem.getPrincipalId());

             } catch (Exception e) {

                 LOG.error("error saving refreshUserOption", e);

             }

         }

         getActionItemDAO().deleteByDocumentId(documentId);

     }

     public Collection<ActionItem> findByDocumentId(String documentId) {

         return getActionItemDAO().findByDocumentId(documentId);

     }

     public Collection<ActionItem> findByActionRequestId(Long actionRequestId) {

         return getActionItemDAO().findByActionRequestId(actionRequestId);

     }

     public Collection<ActionItem> findByWorkflowUserDocumentId(String workflowUserId, String documentId) {

         return getActionItemDAO().findByWorkflowUserDocumentId(workflowUserId, documentId);

     }

     public Collection<ActionItem> findByDocumentTypeName(String documentTypeName) {

         return getActionItemDAO().findByDocumentTypeName(documentTypeName);

     }

     public ActionItem createActionItemForActionRequest(ActionRequestValue actionRequest) {

         ActionItem actionItem = new ActionItem();

         DocumentRouteHeaderValue routeHeader = actionRequest.getRouteHeader();

         DocumentType docType = routeHeader.getDocumentType();

         actionItem.setActionRequestCd(actionRequest.getActionRequested());

         actionItem.setActionRequestId(actionRequest.getActionRequestId());

         actionItem.setDocName(docType.getName());

         actionItem.setRoleName(actionRequest.getQualifiedRoleName());

         actionItem.setPrincipalId(actionRequest.getPrincipalId());

         actionItem.setDocumentId(actionRequest.getDocumentId());

         actionItem.setDateAssigned(new Timestamp(new Date().getTime()));

         actionItem.setDocHandlerURL(docType.getDocHandlerUrl());

         actionItem.setDocLabel(docType.getLabel());

         actionItem.setDocTitle(routeHeader.getDocTitle());

         actionItem.setGroupId(actionRequest.getGroupId());

         actionItem.setResponsibilityId(actionRequest.getResponsibilityId());

         actionItem.setDelegationType(actionRequest.getDelegationType());

         actionItem.setRequestLabel(actionRequest.getRequestLabel());

         ActionRequestValue delegatorActionRequest = getActionRequestService().findDelegatorRequest(actionRequest);

         if (delegatorActionRequest != null) {

             actionItem.setDelegatorWorkflowId(delegatorActionRequest.getPrincipalId());

             actionItem.setDelegatorGroupId(delegatorActionRequest.getGroupId());

         }

         return actionItem;

     }

     public void updateActionItemsForTitleChange(String documentId, String newTitle) {

         Collection<ActionItem> items = getActionItemDAO().findByDocumentId(documentId);

         for (Iterator<ActionItem> iterator = items.iterator(); iterator.hasNext();) {

             ActionItem item = iterator.next();

             item.setDocTitle(newTitle);

             saveActionItem(item);

         }

     }

     public void saveActionItem(ActionItem actionItem) {

         KEWServiceLocator.getUserOptionsService().saveRefreshUserOption(actionItem.getPrincipalId());

         getActionItemDAO().saveActionItem(actionItem);

     }

     public ActionItemDAO getActionItemDAO() {

         return actionItemDAO;

     }

     public ActionRequestService getActionRequestService() {

         return (ActionRequestService) KEWServiceLocator.getActionRequestService();

     }

     public GroupService getGroupService(){

             return KimApiServiceLocator.getGroupService();

     }

     public void setActionItemDAO(ActionItemDAO actionItemDAO) {

         this.actionItemDAO = actionItemDAO;

     }

     public void validateActionItem(ActionItem actionItem) {

         List<WorkflowServiceErrorImpl> errors = new ArrayList<WorkflowServiceErrorImpl>();

         String principalId = actionItem.getPrincipalId();

         if (principalId == null || principalId.trim().equals("")) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem person null.", "actionitem.personid.empty", actionItem

                     .getActionItemId().toString()));

         } else {

                 Principal principal = KimApiServiceLocator.getIdentityManagementService().getPrincipal(principalId);

                 if (principal == null) {

                 errors.add(new WorkflowServiceErrorImpl("ActionItem person invalid.", "actionitem.personid.invalid",

                         actionItem.getActionItemId().toString()));

             }

         }

         if (actionItem.getDateAssigned() == null) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem date assigned empty.", "actionitem.dateassigned.empty",

                     actionItem.getActionItemId().toString()));

         }

         String actionRequestCd = actionItem.getActionRequestCd();

         if (actionRequestCd == null || actionRequestCd.trim().equals("")) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem action request cd empty.",

                     "actionitem.actionrequestcd.empty", actionItem.getActionItemId().toString()));

         } else if (!KEWConstants.ACTION_REQUEST_CD.containsKey(actionRequestCd)) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem action request cd invalid.",

                     "actionitem.actionrequestcd.invalid", actionItem.getActionItemId().toString()));

         }

         if (actionItem.getActionRequestId() == null) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem action request id empty.",

                     "actionitem.actionrequestid.empty", actionItem.getActionItemId().toString()));

         }

         if (actionItem.getDocumentId() == null) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem Document id empty.", "actionitem.documentid.empty",

                     actionItem.getActionItemId().toString()));

         } else if (KEWServiceLocator.getRouteHeaderService().getRouteHeader(actionItem.getDocumentId()) == null) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem Document id invalid.", "actionitem.documentid.invalid",

                     actionItem.getActionItemId().toString()));

         }

         String docTypeName = actionItem.getDocName();

         DocumentType docType = null;

         if (docTypeName == null || docTypeName.trim().equals("")) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem doctypename empty.", "actionitem.doctypename.empty",

                     actionItem.getActionItemId().toString()));

         } else {

             docType = KEWServiceLocator.getDocumentTypeService().findByName(actionItem.getDocName());

             if (docType == null) {

                 errors.add(new WorkflowServiceErrorImpl("ActionItem doctypename invalid.", "actionitem.doctypename.invalid",

                         actionItem.getActionItemId().toString()));

             }

         }

         if (actionItem.getDocLabel() == null || actionItem.getDocLabel().trim().equals("")) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem doctypelabel empty.", "actionitem.doctypelabel.empty",

                     actionItem.getActionItemId().toString()));

         } else if (docType != null && !docType.getLabel().equals(actionItem.getDocLabel())) {

             errors.add(new WorkflowServiceErrorImpl("ActionItem doctypelabel no match.", "actionitem.doctypelabel.nomatch",

                     actionItem.getActionItemId().toString()));

         }

         // first check to see if the document type has an empty document handler url

         if (StringUtils.isNotBlank(docType.getDocHandlerUrl())) {

             if (actionItem.getDocHandlerURL() == null || actionItem.getDocHandlerURL().trim().equals("")) {

                 errors.add(new WorkflowServiceErrorImpl("ActionItem doc handler url empty.", "actionitem.dochdrurl.empty",

                         actionItem.getActionItemId().toString()));

             } else if (docType != null && !docType.getDocHandlerUrl().equals(actionItem.getDocHandlerURL())) {

                 errors.add(new WorkflowServiceErrorImpl("ActionItem doc handler url no match.", "actionitem.dochdrurl.nomatch",

                         actionItem.getActionItemId().toString()));

             }

         } else {

             // if the doc type doc handler url is blank, verify that the action item doc handler url is also blank

             if (StringUtils.isNotBlank(actionItem.getDocHandlerURL())) {

                 errors.add(new WorkflowServiceErrorImpl("ActionItem doc handler url not empty.", "actionitem.dochdrurl.not.empty", 

                         actionItem.getActionItemId().toString()));

             }

         }

         if (!errors.isEmpty()) {

             throw new WorkflowServiceErrorException("ActionItem Validation Error", errors);

         }

     }

     public ActionItem findByActionItemId(Long actionItemId) {

         return getActionItemDAO().findByActionItemId(actionItemId);

     }

     public int getCount(String principalId) {

         return getActionListDAO().getCount(principalId);

     }

     public void saveRefreshUserOption(String principalId) {

         KEWServiceLocator.getUserOptionsService().saveRefreshUserOption(principalId);

     }

     /**

      *

      * This overridden method ...

      *

      * @see org.kuali.rice.kew.actionlist.service.ActionListService#getOutbox(java.lang.String, org.kuali.rice.kew.actionlist.ActionListFilter)

      */

     public Collection<ActionItem> getOutbox(String principalId, ActionListFilter filter) {

         return this.getActionListDAO().getOutbox(principalId, filter);

     }

     public Collection<ActionItem> getOutboxItemsByDocumentType(String documentTypeName) {

         return this.getActionItemDAO().getOutboxItemsByDocumentType(documentTypeName);

     }

     /**

      * This overridden method ...

      *

      * @see org.kuali.rice.kew.actionlist.service.ActionListService#removeOutboxItems(String, java.util.List)

      */

     public void removeOutboxItems(String principalId, List<String> outboxItems) {

         this.getActionListDAO().removeOutboxItems(principalId, outboxItems);

     }

     public void saveOutboxItem(ActionItem actionItem) {

             saveOutboxItem(actionItem, false);

     }

     /**

      *

      * save the ouboxitem unless the document is saved or the user already has the item in their outbox.

      *

      * @see org.kuali.rice.kew.actionlist.service.ActionListService#saveOutboxItem(org.kuali.rice.kew.actionitem.ActionItem, boolean)

      */

     public void saveOutboxItem(ActionItem actionItem, boolean forceIntoOutbox) {

             UserOptionsService userOptionsService = KEWServiceLocator.getUserOptionsService();

             Boolean isUsingOutBox = true;

             List<UserOptions> options = userOptionsService.findByUserQualified(actionItem.getPrincipalId(), KEWConstants.USE_OUT_BOX);

             if (options == null || options.isEmpty()){

                     isUsingOutBox = true;

             } else {

                         for (Iterator iter = options.iterator(); iter.hasNext();) {

                                 UserOptions u = (UserOptions) iter.next();

                                 if (u.getOptionVal() == null || !(u.getOptionVal().equals("yes"))){

                                         isUsingOutBox = false;

                                 }

                         }

             }

             if (isUsingOutBox

             && ConfigContext.getCurrentContextConfig().getOutBoxOn()

             && getActionListDAO().getOutboxByDocumentIdUserId(actionItem.getDocumentId(), actionItem.getPrincipalId()) == null

             && !KEWServiceLocator.getRouteHeaderService().getRouteHeader(actionItem.getDocumentId()).getDocRouteStatus().equals(

                                     KEWConstants.ROUTE_HEADER_SAVED_CD)) {

                     // only create an outbox item if this user has taken action on the document

                     ActionRequestValue actionRequest = KEWServiceLocator.getActionRequestService().findByActionRequestId(

                                     actionItem.getActionRequestId());

                     ActionTakenValue actionTaken = actionRequest.getActionTaken();

                     // if an action was taken...

                     if (forceIntoOutbox || (actionTaken != null && actionTaken.getPrincipalId().equals(actionItem.getPrincipalId()))) {

                             this.getActionListDAO().saveOutboxItem(new OutboxItemActionListExtension(actionItem));

                     }

             }

     }

         public Collection<ActionItem> findByPrincipalId(String principalId) {

                 return getActionItemDAO().findByPrincipalId(principalId);

         }

 }