#* @vtlvariable name="metadataHelper" type="com.atlassian.jira.issue.changehistory.metadata.renderer.HistoryMetadataRenderHelper" *#
#* @vtlvariable name="changeHistoryAction" type="com.atlassian.jira.issue.tabpanels.ChangeHistoryAction" *#

#macro (historyMetadataParticipant $participant $withAvatar)
    #set($participantId = $metadataHelper.getParticipantName($participant))
    #if($participantId)
        #if ($withAvatar) #historyMetadataParticipantAvatar($participant) #end
        #if ($participant.url) <a href="$textutils.htmlEncode($participant.url)">$textutils.htmlEncode($participantId)</a> #else $textutils.htmlEncode($participantId) #end
    #end
#end

#macro (historyMetadataParticipantAvatar $participant)
    #if ($participant.avatarUrl)
        <span class="aui-avatar aui-avatar-xsmall">
            <span class="aui-avatar-inner">
                <img alt="" src="$!textutils.htmlEncode($metadataHelper.getParticipantAvatarUrl($participant))"/>
            </span>
        </span>
    #end
#end

#macro (createAuthorLink $withAvatar)
    #if($withAvatar)
        #set ($authorLink = $userformat.formatUserkey(${changeHistoryAction.author}, 'profileLinkActionHeader', "changehistoryauthor_$!{changeHistoryAction.id}"))
    #else
        #set ($authorLink = $userformat.formatUserkey(${changeHistoryAction.author}, 'profileLink', "changehistoryauthor_$!{changeHistoryAction.id}"))
    #end
#end

#macro(renderChangeHistoryDetails)
    #set ($timestamp = " - <span class='date' title='$changeHistoryAction.createdDateHtml'><time class='livestamp' datetime='$changeHistoryAction.createdDateIso8601Html'>$changeHistoryAction.createdDateHtml</time></span>")
    #set($generatorHasNoAvatar = "$!changeHistoryAction.historyMetadata.generator.avatarUrl" == "")

    #if($i18n.isKeyDefined($changeHistoryAction.historyMetadata.descriptionKey))
        #set($generator = "#historyMetadataParticipant($changeHistoryAction.historyMetadata.generator, false)")
        #if ("$!changeHistoryAction.author" != "" || "$!changeHistoryAction.historyMetadata.actor" == "")
            #createAuthorLink($generatorHasNoAvatar)
            #set($actor = $authorLink)
        #elseif ($changeHistoryAction.historyMetadata.actor)
            #set($actor = "#historyMetadataParticipant($changeHistoryAction.historyMetadata.actor, $generatorHasNoAvatar)")
        #end
        #set($cause = "#historyMetadataParticipant($changeHistoryAction.historyMetadata.cause, true)")
        #set($metadataDescription = $i18n.getText($changeHistoryAction.historyMetadata.descriptionKey, $actor.trim(), $generator.trim(), $cause.trim()))
    #elseif($changeHistoryAction.historyMetadata.description)
        #createAuthorLink($generatorHasNoAvatar)
        #set($metadataDescription = $i18n.getText('viewissue.changehistory.changeby', $authorLink, $textutils.htmlEncode($changeHistoryAction.historyMetadata.description)))
    #end

    #if($metadataDescription)
        #historyMetadataParticipantAvatar($changeHistoryAction.historyMetadata.generator)
        $metadataDescription $timestamp
    #else
        #createAuthorLink(true)
        $i18n.getText('viewissue.changehistory.changeby', $authorLink, $timestamp)
    #end
#end