trigger FeedCommentTriggerHandler on FeedComment (after insert) {
    
	System.Debug('FeedCommentTriggerHandler: Entering trigger');
    
    // GET LIST OF PARENT IDS
    List<Id> ParentIds = new List<Id>();
    for(FeedComment f:Trigger.new)ParentIds.add(f.ParentId);
    
    // CREATE LIST OF FEEDITEM FOR CREATEDBY TO BE POPULATED
    List<FeedComment> feedItems = new List<FeedComment>([SELECT Id,FeedItemId,CreatedById,CreatedBy.Name,CreatedBy.Profile.UserType,CreatedBy.Profile.Name,ParentId,CommentType FROM FeedComment WHERE Id in :Trigger.newMap.keyset()]);
    
    // INIT A MAP OF RELATED CASES WITH PARENT IDS
    Map<Id,Case> relatedCases = new Map<Id,Case>([SELECT id,Status,isClosed, OwnerId FROM Case WHERE Id in :ParentIds ]);
    
    // UPDATE CASE STATUS OF EACH CUSTOMER FEED RELATED CASE TO OPEN
    for(FeedComment feed:feedItems)
    {
        // IF FEED IS NOT CREATED BY SUPPORT MEMBERS
        System.debug('FeedCommentTriggerHandler: '+feed.CreatedBy.Profile.Name+' '+feed.ParentId.getSObjectType().getDescribe().getName()+' '+feed.CommentType);
        if( (feed.CreatedBy.Profile.Name != Label.Param_Support_Team_Profile && feed.CreatedBy.Profile.Name != Label.Param_Support_Lead_Profile ) && feed.ParentId.getSObjectType().getDescribe().getName() =='Case')
        {            
            // SET CASE TO OPEN UNLESS IT WAS CLOSED OR NEW
            if((relatedCases.get(feed.ParentId).isClosed==false)&&(relatedCases.get(feed.ParentId).Status!='New')&&(feed.CreatedById != relatedCases.get(feed.ParentId).OwnerId))relatedCases.get(feed.ParentId).Status = 'Open';
        }        
        
         //**H.O: To send Slack Notification when Answer is created on Community Post
        else if (feed.CommentType == 'TextComment' && feed.CreatedBy.Profile.UserType == 'PowerCustomerSuccess'){
            
            System.debug('FeedCommentTriggerHandler: feed parent :'+feed.ParentId+' Type : '+feed.CommentType);
            List<SlackNotificationCommunityPost.slackRequest> requests = new List<SlackNotificationCommunityPost.slackRequest>();
            SlackNotificationCommunityPost.slackRequest r = new SlackNotificationCommunityPost.slackRequest();
            r.id= feed.id;
            r.name= feed.CreatedBy.Name;
            r.title= feed.FeedItemId;
            r.type = feed.CommentType; 
            requests.add(r);
        	SlackNotificationCommunityPost.publishNewCommunityPostsToSlack(requests);                       
        }
    }
    
    if(relatedCases.values().size()>0)update relatedCases.values();
}

@isTest
public class CaseFeedTrigger_Test {
    
    
   static testMethod void testCaseFeed()
   {
       
       User AdminUser = AP_TestDataFactory.CreateAdminUser('system.admin@test.com');
       
       Account a = AP_TestDataFactory.createAccount(AdminUser, 'TEST ACCOUNT', 'Tier 4', 'FRANCE');
       Contact con = AP_TestDataFactory.createAccountContact(a, 'TESTLASTNAME');         
       Case c = AP_TestDataFactory.createCase(AdminUser, a, con);
       
       
       test.startTest();
       
       System.runAs(AdminUser)
       { 
           c.Status='ScaleClient';
           update c;
       
           FeedItem fi = new FeedItem();
           fi.Body = 'test';
           fi.ParentId = c.Id;
           insert fi;
           
           FeedComment fc = new FeedComment();
           fc.CommentBody = 'test';
           fc.CommentType = 'TextComment';
           fc.FeedItemId = fi.Id;
           insert fc;
           
       }
        test.stopTest();
   }
}