/**
    * Copyright 2005-2012 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.mail.service.impl;
  
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.coreservice.framework.CoreFrameworkServiceLocator;
  import org.kuali.rice.kew.actionrequest.ActionRequestValue;
  import org.kuali.rice.kew.api.action.ActionItem;
  import org.kuali.rice.kew.api.action.ActionRequest;
  import org.kuali.rice.kew.api.document.Document;
  import org.kuali.rice.kew.api.exception.WorkflowException;
  import org.kuali.rice.kew.doctype.bo.DocumentType;
  import org.kuali.rice.kew.mail.CustomEmailAttribute;
  import org.kuali.rice.kew.mail.service.EmailContentService;
  import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  import org.kuali.rice.kew.api.KewApiConstants;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.krad.util.KRADConstants;
  
  /**
   * Base EmailContentService implementation with a default email from address that can be
   * configured via Spring property injection
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public abstract class BaseEmailContentServiceImpl implements EmailContentService {
      protected String defaultEmailFromAddress = "admin@localhost";
      protected String deploymentEnvironment;
  
      public void setDefaultEmailFromAddress(String defaultEmailFromAddress) {
          this.defaultEmailFromAddress = defaultEmailFromAddress;
      }
  
      public String getApplicationEmailAddress() {
          // first check the configured value
          String fromAddress = CoreFrameworkServiceLocator.getParameterService().getParameterValueAsString(KewApiConstants.KEW_NAMESPACE, KRADConstants.DetailTypes.MAILER_DETAIL_TYPE, KewApiConstants.EMAIL_REMINDER_FROM_ADDRESS);
          // if there's no value configured, use the default
          if (org.apache.commons.lang.StringUtils.isEmpty(fromAddress)) {
              fromAddress = defaultEmailFromAddress;
          }
          return fromAddress;
      }
  
      public String getDocumentTypeEmailAddress(DocumentType documentType) {
          String fromAddress = (documentType == null ? null : documentType.getNotificationFromAddress());
          if (org.apache.commons.lang.StringUtils.isEmpty(fromAddress)) {
              fromAddress = getApplicationEmailAddress();
          }
          return fromAddress;
      }
  
      public String getDeploymentEnvironment() {
          return deploymentEnvironment;
      }
  
      public void setDeploymentEnvironment(String deploymentEnvironment) {
          this.deploymentEnvironment = deploymentEnvironment;
      }
  
      protected static CustomEmailAttribute getCustomEmailAttribute(Person user, ActionItem actionItem) throws WorkflowException {
      	DocumentRouteHeaderValue routeHeader = KEWServiceLocator.getRouteHeaderService().getRouteHeader(actionItem.getDocumentId());
          CustomEmailAttribute customEmailAttribute = routeHeader.getCustomEmailAttribute();
          if (customEmailAttribute != null) {
              Document routeHeaderVO = DocumentRouteHeaderValue.to(routeHeader);
              ActionRequestValue actionRequest = KEWServiceLocator.getActionRequestService().findByActionRequestId(actionItem.getActionRequestId());
              ActionRequest actionRequestVO = ActionRequestValue.to(actionRequest);
              customEmailAttribute.setRouteHeaderVO(routeHeaderVO);
              customEmailAttribute.setActionRequestVO(actionRequestVO);
          }
          return customEmailAttribute;
      }
  
      protected String getActionListUrl() {
          return ConfigContext.getCurrentContextConfig().getProperty(KRADConstants.WORKFLOW_URL_KEY) + "/" + "ActionList.do";
      }
  
      protected String getPreferencesUrl() {
          return ConfigContext.getCurrentContextConfig().getProperty(KRADConstants.WORKFLOW_URL_KEY) + "/" + "Preferences.do";
      }
  }