/**
    * Copyright 2005-2014 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.actionitem;
  
  import org.junit.Test;
  import org.kuali.rice.kew.actionlist.service.ActionListService;
  import org.kuali.rice.kew.api.WorkflowDocument;
  import org.kuali.rice.kew.api.WorkflowDocumentFactory;
  import org.kuali.rice.kew.api.action.ActionRequest;
  import org.kuali.rice.kew.api.action.ActionRequestType;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  import org.kuali.rice.kew.test.KEWTestCase;
  import org.kuali.rice.kim.api.KimConstants;
  import org.kuali.rice.kim.api.group.Group;
  import org.kuali.rice.kim.api.group.GroupMember;
  import org.kuali.rice.kim.api.group.GroupService;
  import org.kuali.rice.kim.api.identity.principal.Principal;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.test.BaselineTestCase;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  import static org.junit.Assert.*;
  @BaselineTestCase.BaselineMode(BaselineTestCase.Mode.CLEAR_DB)
  public class ActionItemServiceTest extends KEWTestCase {
  
  	private ActionListService actionListService;
  
      protected void loadTestData() throws Exception {
      	loadXmlFile("ActionItemConfig.xml");
      }
  
      protected void setUpAfterDataLoad() throws Exception {
  		super.setUpAfterDataLoad();
  		actionListService = KEWServiceLocator.getActionListService();
  	}
  
  	/**
       * When workgroup membership changes all action items to that workgroup need to reflect
       * the new membership
       *
       * @throws Exception
       */
      @Test public void testUpdateActionItemsForWorkgroupChange() throws Exception {
  
          WorkflowDocument document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("user1"), "ActionItemDocumentType");
          document.setTitle("");
          document.route("");
  
          Group oldWorkgroup = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName("KR-WKFLW",
                  "AIWG-Admin");
          //Group oldWorkgroup = this.getGroupImpl(oldGroup.getId());
  
  
          GroupService groupService = KimApiServiceLocator.getGroupService();
          assertEquals("Workgroup should have 6 members.", 6, groupService.getMembersOfGroup(oldWorkgroup.getId()).size());
  
          Principal user1 = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("user1");
          Principal user2 = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("user2");
  
          Principal rkirkend = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("rkirkend");
          Principal shenl = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("shenl");
  
          List<GroupMember> usersToRemove = new ArrayList<GroupMember>();
          //remove 'rkirkend' and 'shenl' from the workgroup
          Collection<GroupMember> members = groupService.getMembersOfGroup(oldWorkgroup.getId());
          for (GroupMember recipient : members) {
          		if (recipient.getMemberId().equals(rkirkend.getPrincipalId()) || recipient.getMemberId().equals(shenl.getPrincipalId())) {
          			KimApiServiceLocator.getGroupService().removePrincipalFromGroup(recipient.getMemberId(), oldWorkgroup.getId());
          		}
  
          }
  
          List<GroupMember> loadedNewGroupMembers = groupService.getMembersOfGroup(oldWorkgroup.getId());
          assertEquals("Workgroup should now have 4 members.", 4, loadedNewGroupMembers.size());
  
          //add user1 and user2
          KimApiServiceLocator.getGroupService().addPrincipalToGroup(user1.getPrincipalId(), oldWorkgroup.getId());
          KimApiServiceLocator.getGroupService().addPrincipalToGroup(user2.getPrincipalId(), oldWorkgroup.getId());
  
  
          // verify that the new workgroup is sane...
          Group loadedNewWorkgroup = this.getGroup(oldWorkgroup.getId());
 
         boolean foundUser1 = false;
         boolean foundUser2 = false;
         loadedNewGroupMembers = groupService.getMembersOfGroup(loadedNewWorkgroup.getId());
         assertEquals("Workgroup should have 6 members.", 6, loadedNewGroupMembers.size());
 
 
         for (GroupMember recipient : loadedNewGroupMembers) {
     		if (recipient.getMemberId().equals(user1.getPrincipalId())){
     			foundUser1 = true;
     		} else if (recipient.getMemberId().equals(user2.getPrincipalId())){
     			foundUser2 = true;
     		}
     }
 
         assertTrue("Did not find user 1 on workgroup.", foundUser1);
         assertTrue("Did not find user 2 on workgroup.", foundUser2);
 
         Collection actionItems = KEWServiceLocator.getActionListService().findByDocumentId(document.getDocumentId());
         boolean foundrkirkend = false;
         boolean foundlshen = false;
         boolean founduser1 = false;
         boolean founduser2 = false;
 
         for (Iterator iter = actionItems.iterator(); iter.hasNext();) {
             ActionItem actionItem = (ActionItem) iter.next();
             String authId = actionItem.getPrincipal().getPrincipalName();
             if (authId.equals("rkirkend")) {
                 foundrkirkend = true;
             } else if (authId.equals("user1")) {
                 founduser1 = true;
             } else if (authId.equals("lshen")) {
                 foundlshen = true;
             } else if (authId.equals("user2")) {
                 founduser2 = true;
             }
         }
 
         assertTrue("rkirkend should still have an AI because he is in 2 workgroups that are routed to.", foundrkirkend);
         assertTrue("user1 should have an AI because they were added to 'AIWG-Admin'", founduser1);
         assertTrue("user2 should have an AI because they were added to 'AIWG-Admin'", founduser2);
         assertFalse("lshen should not have an AI because they were removed from 'AIWG-Admin'", foundlshen);
 
     }
 
     /**
      * When workgroup membership changes all action items to that workgroup need to reflect
      * the new membership even in the case of nested workgroups.
      *
      * @throws Exception
      */
 
     @Test public void testUpdateActionItemsForNestedGroupChange() throws Exception {
 
         WorkflowDocument document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("user1"), "ActionItemDocumentType");
         document.setTitle("");
 
         Group workgroup1 = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName("KR-WKFLW",
                 "AIWG-Admin");
         document.adHocToGroup(ActionRequestType.APPROVE, "",workgroup1.getId(), "", true);
         document.route("");
 
         Principal ewestfal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("ewestfal");
 
         assertEquals("User should have 1 action item", 1, KEWServiceLocator.getActionListService().findByPrincipalId(ewestfal.getPrincipalId()).size());
         assertEquals("Workgroup should have 6 members.", 6, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
         KimApiServiceLocator.getGroupService().removePrincipalFromGroup(ewestfal.getPrincipalId(), workgroup1.getId());
 
         assertEquals("Workgroup should have 5 members.", 5,
                 KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
         assertEquals("User should have 0 action item", 0, KEWServiceLocator.getActionListService().findByPrincipalId(ewestfal.getPrincipalId()).size());
 
          KimApiServiceLocator.getGroupService().addPrincipalToGroup(ewestfal.getPrincipalId(), workgroup1.getId());
          assertEquals("Workgroup should have 6 members.", 6, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
          assertEquals("User should have 1 action item", 1, KEWServiceLocator.getActionListService().findByPrincipalId(ewestfal.getPrincipalId()).size());
 
 
          // test the save group
          Group workgroup1Impl = this.getGroup(workgroup1.getId());
          Principal dewey = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("dewey");
          KimApiServiceLocator.getGroupService().addPrincipalToGroup(dewey.getPrincipalId(), workgroup1Impl.getId());
          //GroupMember groupMember = GroupMember.Builder.create(workgroup1Impl.getId(), dewey.getPrincipalId(), KimGroupMemberTypes.PRINCIPAL_MEMBER_TYPE).build();
          //GroupBo workgroup1Bo = GroupBo.from(workgroup1Impl);
          //workgroup1Bo.getMembersOfGroup().add(GroupMemberBo.from(groupMember));
          //workgroup1Impl.getMembersOfGroup().add(groupMember);
 
          //KimImplServiceLocator.getGroupInternalService().saveWorkgroup(workgroup1Bo);
 
          assertEquals("Workgroup should have 7 members.", 7, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
          assertEquals("User should have 1 action item", 1, KEWServiceLocator.getActionListService().findByPrincipalId(dewey.getPrincipalId()).size());
 
          // test nested
          Principal user1 = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName("user1");
 
          document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("jhopf"), "ActionItemDocumentType");
          document.setTitle("");
 
          workgroup1 = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName("KR-WKFLW", "AIWG-Nested1");
          document.adHocToGroup(ActionRequestType.APPROVE, "",workgroup1.getId(), "", true);
          document.route("");
 
          assertEquals("User should have 1 action item", 1, KEWServiceLocator.getActionListService().findByPrincipalId(user1.getPrincipalId()).size());
          assertEquals("Workgroup should have 6 members.", 6, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
 
          //get the subgroup so we can remove the member.
          Group workgroupSub = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName("KR-WKFLW",
                  "AIWG-Nested2");
          KimApiServiceLocator.getGroupService().removePrincipalFromGroup(user1.getPrincipalId(), workgroupSub.getId());
 
          assertEquals("Workgroup should have 5 members.", 5, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
          assertEquals("User should have 0 action item", 0, KEWServiceLocator.getActionListService().findByPrincipalId(user1.getPrincipalId()).size());
 
           KimApiServiceLocator.getGroupService().addPrincipalToGroup(user1.getPrincipalId(), workgroupSub.getId());
           assertEquals("Workgroup should have 6 members.", 6, KimApiServiceLocator.getGroupService().getMemberPrincipalIds(workgroup1.getId()).size());
           assertEquals("User should have 1 action item", 1, KEWServiceLocator.getActionListService().findByPrincipalId(user1.getPrincipalId()).size());
 
     }
 
     /**
      * addresses the following bug http://fms.dfa.cornell.edu:8080/browse/KULWF-428
      *
      * @throws Exception
      */
     @Test public void testWorkgroupActionItemGenerationWhenMultipleWorkgroupRequests() throws Exception {
         WorkflowDocument document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("user1"), "ActionItemDocumentType");
         document.setTitle("");
         document.route("");
 
         document = WorkflowDocumentFactory.loadDocument(getPrincipalIdForName("jitrue"), document.getDocumentId());
 
         Group testGroup = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(
                 KimConstants.KIM_GROUP_WORKFLOW_NAMESPACE_CODE, "AIWG-Test");
         Group adminGroup = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(
                 KimConstants.KIM_GROUP_WORKFLOW_NAMESPACE_CODE, "AIWG-Admin");
 
         List<ActionRequest> ars = document.getRootActionRequests();
         boolean routedWorkflowAdmin = false;
         boolean routedTestWorkgroup = false;
         for (ActionRequest request : ars) {
             if (request.isGroupRequest() && testGroup.getId().equals(request.getGroupId())) {
                 routedTestWorkgroup = true;
             } else if (request.isGroupRequest() && adminGroup.getId().equals(request.getGroupId())) {
                 routedWorkflowAdmin = true;
             }
         }
 
         //verify that our test is sane
         assertTrue("Should have routed to 'AIWG-Test'", routedTestWorkgroup);
         assertTrue("Should have routed to 'AIWG-Admin'", routedWorkflowAdmin);
         assertTrue("Approve should be requested to member of 'AIWG-Test'", document.isApprovalRequested());
 
         document.approve("");
 
         Collection actionItems = KEWServiceLocator.getActionListService().findByDocumentId(document.getDocumentId());
 
         assertEquals("There should be 6 action items to the AIWG-Admin.", 6, actionItems.size());
 
         for (Iterator iter = actionItems.iterator(); iter.hasNext();) {
             ActionItem actionItem = (ActionItem)iter.next();
             //don't worry about which workgroup - they can get activated in any order
             assertNotNull("this should be a workgroup request", actionItem.getGroup());
         }
     }
 
     /**
      * This test verifies that if someone gets more than one request routed to them then they will get
      * multiple Action Items but only one of them will show up in their Action List.
      */
     @Test public void testMultipleActionItemGeneration() throws Exception {
     	WorkflowDocument document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("user1"), "ActionItemDocumentType");
         document.setTitle("");
         document.route("");
 
         // now the document should be at both the AIWG-Admin workgroup and the AIWG-Test
         // ewestfal is a member of both Workgroups so verify that he has two action items
         String ewestfalPrincipalId = getPrincipalIdForName("ewestfal");
         String jitruePrincipalId = getPrincipalIdForName("jitrue");
 
         Collection actionItems = KEWServiceLocator.getActionListService().findByWorkflowUserDocumentId(ewestfalPrincipalId, document.getDocumentId());
         assertEquals("Ewestfal should have two action items.", 2, actionItems.size());
 
         // now check the action list, there should be only one entry
         actionItems = KEWServiceLocator.getActionListService().getActionList(ewestfalPrincipalId, null);
         assertEquals("Ewestfal should have one action item in his action list.", 1, actionItems.size());
         document = WorkflowDocumentFactory.loadDocument(ewestfalPrincipalId, document.getDocumentId());
         assertTrue("Ewestfal should have an approval requested.", document.isApprovalRequested());
 
         // approve as a member from the first workgroup
         document = WorkflowDocumentFactory.loadDocument(jitruePrincipalId, document.getDocumentId());
         assertTrue("Jitrue should have an approval requested.", document.isApprovalRequested());
         document.approve("");
 
         // now ewestfal should have only one action item in both his action items and his action list
         actionItems = KEWServiceLocator.getActionListService().findByWorkflowUserDocumentId(ewestfalPrincipalId, document.getDocumentId());
         assertEquals("Ewestfal should have one action item.", 1, actionItems.size());
         String actionItemId = ((ActionItem)actionItems.iterator().next()).getId();
         actionItems = KEWServiceLocator.getActionListService().getActionList(ewestfalPrincipalId, null);
         assertEquals("Ewestfal should have one action item in his action list.", 1, actionItems.size());
         assertEquals("The two action items should be the same.", actionItemId, ((ActionItem)actionItems.iterator().next()).getId());
     }
 
     /**
      * This tests verifies that bug KULWF-507 has been fixed:
      *
      * https://test.kuali.org/jira/browse/KULWF-507
      *
      * To fix this, we implemented the system so that multiple action items are generated rather then just
      * one which gets reassigned across multiple requests as needed.
      *
      * This test verifies that after the blanket approval, there should no longer be an orphaned Acknowledge
      * request.  The workgroup used here is the TestWorkgroup and "user1" is ewestfal with "user2" as rkirkend.
      *
      * The routing is configured in the BAOrphanedRequestDocumentType.
      */
     @Test public void testOrphanedAcknowledgeFromBlanketApprovalFix() throws Exception {
     	WorkflowDocument document = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("ewestfal"), "BAOrphanedRequestDocumentType");
     	document.blanketApprove("");
     	assertTrue("Document should be processed.", document.isProcessed());
 
     	// after the document has blanket approved there should be 2 action items since the blanket approver
     	// is in the final workgroup.  These action items should be the acknowledges generated to both
     	// rkirkend and user1
     	int numActionItems = actionListService.findByDocumentId(document.getDocumentId()).size();
     	assertEquals("Incorrect number of action items.", 2, numActionItems);
 
     	String user1PrincipalId = getPrincipalIdForName("user1");
     	String rkirkendPrincipalId = getPrincipalIdForName("rkirkend");
 
     	// check that user1 has 1 action item
     	Collection actionItems = actionListService.findByWorkflowUserDocumentId(user1PrincipalId, document.getDocumentId());
     	assertEquals("user1 should have one action item.", 1, actionItems.size());
 
     	// check that rkirkend still has 1, the is where the bug would have manifested itself before, rkirkend would have had
     	// no action item (hence the orphaned request)
     	actionItems = actionListService.findByWorkflowUserDocumentId(rkirkendPrincipalId, document.getDocumentId());
     	assertEquals("rkirkend should have one action item.", 1, actionItems.size());
 
     	// lets go ahead and take it to final for funsies
     	document = WorkflowDocumentFactory.loadDocument(rkirkendPrincipalId, document.getDocumentId());
     	assertTrue("Should have ack request.", document.isAcknowledgeRequested());
     	document.acknowledge("");
     	assertTrue("Should still be PROCESSED.", document.isProcessed());
 
     	document = WorkflowDocumentFactory.loadDocument(user1PrincipalId, document.getDocumentId());
     	assertTrue("Should have ack request.", document.isAcknowledgeRequested());
     	document.acknowledge("");
     	assertTrue("Should now be FINAL.", document.isFinal());
     }
 
     /**
      * Executes a deep copy of the BaseWorkgroup
      */
  /*   private BaseWorkgroup copy(BaseWorkgroup workgroup) throws Exception {
     	BaseWorkgroup workgroupCopy = (BaseWorkgroup)KEWServiceLocator.getWorkgroupService().copy(workgroup);
     	// copy above does a shallow copy so we need to deep copy members
     	List<BaseWorkgroupMember> members = workgroupCopy.getWorkgroupMembers();
     	List<BaseWorkgroupMember> membersCopy = new ArrayList<BaseWorkgroupMember>();
     	for (BaseWorkgroupMember member : members) {
     		membersCopy.add(copy(member));
     	}
     	workgroupCopy.setWorkgroupMembers(membersCopy);
     	workgroupCopy.setMembers(new ArrayList<Recipient>());
     	workgroupCopy.materializeMembers();
     	return workgroupCopy;
     }
 
     private BaseWorkgroupMember copy(BaseWorkgroupMember member) throws Exception {
     	return (BaseWorkgroupMember)BeanUtils.cloneBean(member);
     }
 */
 
     protected Group getGroup(String groupId) {
 		return KimApiServiceLocator.getGroupService().getGroup(groupId);
     }
 }