<%--
    ADOBE CONFIDENTIAL

    Copyright 2013 Adobe Systems Incorporated
    All Rights Reserved.

    NOTICE:  All information contained herein is, and remains
    the property of Adobe Systems Incorporated and its suppliers,
    if any.  The intellectual and technical concepts contained
    herein are proprietary to Adobe Systems Incorporated and its
    suppliers and may be covered by U.S. and Foreign Patents,
    patents in process, and are protected by trade secret or copyright law.
    Dissemination of this information or reproduction of this material
    is strictly forbidden unless prior written permission is obtained
    from Adobe Systems Incorporated.


    The script to render a single version event.

--%><%@page session="false" import="java.util.Locale,
                                    java.awt.Dimension,
                                    java.io.InputStream,
                                    java.net.URI,
                                    java.util.ResourceBundle,
                                    java.util.Date,
                                    java.util.Calendar,
                                    java.util.regex.Pattern,
                                    java.text.SimpleDateFormat,
                                    java.text.ParseException,
                                    javax.jcr.Node,
                                    javax.jcr.PathNotFoundException,
                                    javax.jcr.Session,
                                    javax.jcr.version.Version,
                                    javax.jcr.version.VersionHistory,
                                    javax.jcr.version.VersionManager,
                                    org.apache.jackrabbit.JcrConstants,
                                    org.apache.jackrabbit.api.security.user.Authorizable,
                                    org.apache.commons.lang.StringUtils,
                                    org.apache.jackrabbit.util.Text,
                                    com.adobe.granite.timeline.TimelineEvent,
                                    com.day.cq.dam.api.Asset,
                                    com.day.cq.dam.api.Rendition,
                                    com.day.cq.dam.api.checkout.AssetCheckoutService,
                                    com.day.cq.dam.commons.util.DamUtil,
                                    com.day.cq.dam.commons.util.UIHelper,
                                    com.adobe.granite.security.user.UserProperties,
                                    com.adobe.granite.security.user.UserPropertiesManager,
                                    static com.day.cq.dam.api.DamConstants.ORIGINAL_FILE,
                                    com.adobe.granite.security.user.UserPropertiesService"%>
<%
%><%@include file="/libs/granite/ui/global.jsp" %><%

    UserPropertiesManager userPropertiesManager = resourceResolver.adaptTo(UserPropertiesManager.class);
    TimelineEvent event = (TimelineEvent) request.getAttribute("cq.gui.common.admin.timeline.event");
    boolean isCurrent = false;
    if ("jcr:rootVersion".equals(event.getDescription())) {
       isCurrent = true;
    }

    Session session = resourceResolver.adaptTo(Session.class);
    String path = slingRequest.getRequestParameter("item").getString("UTF-8");
    if (path == null) {
        log.warn("Unable to display event {}, missing content path", event);
    }
    Node node = session.getNode(path);
    Resource rsc = resourceResolver.getResource(path);
    Asset asset = rsc.adaptTo(Asset.class);
    String mimeType = asset.getMimeType();
    String versionablePath = path; // the versionable path

    // determine if node itself (e.g. asset) or jcr:content (e.g. page) is versionable
    if (!node.isNodeType(JcrConstants.MIX_VERSIONABLE)) {
        try {
            if (node.getNode(JcrConstants.JCR_CONTENT).isNodeType(JcrConstants.MIX_VERSIONABLE)) {
                versionablePath += "/" + JcrConstants.JCR_CONTENT;
            } else {
                // resource not versionable
                return;
            }
        } catch (PathNotFoundException e) {
            return;
        }
    }
    String imgPath = "/libs/cq/ui/widgets/themes/default/icons/240x180/page.png";
    String preview = null;
    Resource previewVersionRenditions = null;
    Date date = new Date();
    String label = null;
    boolean scheduled = false;
    String creator = null;
    String userName = null;
    String comment = null;
    String dateText = null;
    Version version = null;
    Resource versionedResource = null;

    if (isCurrent) {
        label = "Current";
        Resource renditionResource = resourceResolver.getResource(path + "/jcr:content/renditions/cq5dam.thumbnail.48.48.png");
        if (renditionResource != null) {
            imgPath = renditionResource.getPath();
        }
        previewVersionRenditions = resourceResolver.getResource(path + "/jcr:content/renditions/");
        Resource jcrContent = resourceResolver.getResource(path + "/jcr:content");
        ValueMap properties = jcrContent.adaptTo(ValueMap.class);
        if (properties != null) {
            Calendar lastModified = properties.get(JcrConstants.JCR_LASTMODIFIED, Calendar.class);
            if (lastModified != null) {
                dateText = new Date(lastModified.getTimeInMillis()).toInstant().toString();
                dateText = "<foundation-time type=\"datetime\" value='" + dateText + "'/>";
            }

            creator = properties.get("cq:versionCreator", String.class);

            //Fallback to jcr:lastModifiedBy if cq:versionCreator isn't present
            if(creator == null) {
                creator = properties.get("jcr:lastModifiedBy", String.class);
            }

            comment = properties.get("cq:versionComment", String.class);
        }

    } else {
        VersionManager versionManager = session.getWorkspace().getVersionManager();
        VersionHistory versionHistory = versionManager.getVersionHistory(versionablePath);
        version = versionHistory.getVersion(event.getDescription());

        String[] labels = versionHistory.getVersionLabels(version);
        if (labels.length > 0) {
            label = labels[0];
            Pattern p = Pattern.compile("Scheduled Activation Time is \\d\\d\\d\\d\\.[0-2]\\d\\.[0-3]\\d [0-2]\\d\\.[0-5]\\d\\.[0-5]\\d");
            if (p.matcher(label).find()) {
                // default version label when scheduling activation: translate text and date separately
                try {
                    SimpleDateFormat dateFormatIn = new SimpleDateFormat("yyyy.MM.dd HH.mm.ss");
                    date = dateFormatIn.parse(label.replace("Scheduled Activation Time is ", ""));
                    label = i18n.get("Scheduled Activation Time is ");
                    scheduled = true;
                }
                catch (ParseException e) {
                    // no valid date format: keep label as is
                }
            }
        }

        Locale locale = slingRequest.getLocale();

        Node nd = version.getNode("jcr:frozenNode"+"/"+"jcr:content");
        if (nd.hasProperty("cq:versionCreator")) {
            creator = nd.getProperty("cq:versionCreator").getString();
        }
        if (nd.hasProperty("cq:versionComment"))  {
            comment =nd.getProperty("cq:versionComment").getString();
        }

        ResourceBundle resourceBundle = slingRequest.getResourceBundle(locale);
        dateText = new Date(event.getTime()).toInstant().toString();
        dateText = "<foundation-time type=\"datetime\" value='" + dateText + "'/>";
        versionedResource = resourceResolver.getResource(version.getPath());
        Node versionedNode = versionedResource.adaptTo(Node.class);

        if (versionedNode.hasNode("./jcr:frozenNode/jcr:content/renditions/cq5dam.thumbnail.48.48.png")) {
            Node versionedRenditionNode = versionedNode.getNode("./jcr:frozenNode/jcr:content/renditions/cq5dam.thumbnail.48.48.png/jcr:content");
            imgPath = version.getPath() + "/jcr:frozenNode/jcr:content/renditions/cq5dam.thumbnail.48.48.png";
        }
        previewVersionRenditions = resourceResolver
                .getResource(version.getPath()
                        + "/jcr:frozenNode/jcr:content/renditions/");
    }
    UserProperties profile = null;
    if (creator != null) {
        profile = userPropertiesManager.getUserProperties(creator, UserPropertiesService.PROFILE_PATH);
    }

    // CQ-58641:Timeline comments - users aren't able to see the names of the other people who add comments.
    // If failed to read profile node, try the profile-cc(for CCEP) node instead.
    // Temporary solution before GRANITE-8412
    if (profile == null && creator != null) {
        profile = userPropertiesManager.getUserProperties(creator, "profile-cc");
    }

    userName = creator;
    if(profile != null) {
        String firstName = profile.getProperty(UserProperties.GIVEN_NAME);
        String lastName = profile.getProperty(UserProperties.FAMILY_NAME);
        if(firstName != null && lastName !=null) {
            userName = i18n.get("{0} {1}","name display order: {0} is the given (first) name, {1} the family (last) name",firstName,lastName);
        } else {
            userName = profile.getDisplayName();
        }
    } else {
        userName = i18n.get("External User");
    }

    int previewHeight = -1;
    int previeWidth = -1;
    if (previewVersionRenditions != null) {
        Resource previewResource = getPreviewVersionRendition(previewVersionRenditions, false);
        if (previewResource != null) {
            preview = request.getContextPath() + previewResource.getPath();
            try {
                Rendition rendition = previewResource.adaptTo(Rendition.class);
                Dimension dim = DamUtil.getImageDimension(rendition);
                previeWidth = dim.width;
                previewHeight = dim.height;
            } catch (Exception e) {
                //eat it;
            }
        }
    }

    // Permissions to administer versions (vs checkout status)
    Authorizable currentUser = resourceResolver.adaptTo(Authorizable.class);
    AssetCheckoutService assetCheckoutService = sling.getService(AssetCheckoutService.class);
    boolean isCheckedOut = false;
    boolean isCheckedOutByCurrentUser = false;
    boolean isSubAsset = false;
    boolean isParentAssetCheckedOut = false;
    boolean isParentAssetCheckedOutByCurrentUser = false;
    boolean canAdministerVersions;
    String selfId = currentUser.getID();

    if (asset != null && asset.isSubAsset()) {
      isSubAsset = true;
    }
    if (!isSubAsset && asset != null && assetCheckoutService != null) {
      isCheckedOut = assetCheckoutService.isCheckedOut(asset);
    }
    if (isCheckedOut) {
      String checkedOutBy = assetCheckoutService.getCheckedOutBy(asset);
      isCheckedOutByCurrentUser = selfId.equals(checkedOutBy);
    }

    if (isSubAsset && assetCheckoutService != null) {
        Resource parentResource = rsc.getParent().getParent(); //since immediate parent is subaasets
        Asset parentAsset = parentResource.adaptTo(Asset.class);
        isParentAssetCheckedOut = assetCheckoutService.isCheckedOut(parentAsset);

        if (isParentAssetCheckedOut) {
          String parentAssetCheckedOutBy = assetCheckoutService.getCheckedOutBy(parentAsset);
          isParentAssetCheckedOutByCurrentUser = selfId.equals(parentAssetCheckedOutBy);
        }
    }
    String altText = UIHelper.getAltText(rsc);
    canAdministerVersions = isSubAsset ? (!isParentAssetCheckedOut || isParentAssetCheckedOutByCurrentUser) : (!isCheckedOut || isCheckedOutByCurrentUser);

    final String eventIconId = "UID-timeline-event-icon_" + event.getDescription();
    final String eventVersionLabelId = "UID-timeline-event-version-label_" + event.getDescription();
    final String eventVersionValueId = "UID-timeline-event-version-value_" + event.getDescription();
    final String eventCommentLabelId = "UID-timeline-event-comment-label_" + event.getDescription();
    final String eventCommentValueId = "UID-timeline-event-event-comment-value_" + event.getDescription();
    final String eventAddedLabelId = "UID-timeline-event-added-label_" + event.getDescription();
    final String eventAddedValueId = "UID-timeline-event-added-value_" + event.getDescription();
    final String eventVersionScheduledLabelId = "UID-timeline-event-version-scheduled-label_" + event.getDescription();
    final String eventVersionScheduledValueId = "UID-timeline-event-version-scheduled-value_" + event.getDescription();

    final StringBuilder versionSectionMenuControllerAriaLabelledBy = new StringBuilder();
    versionSectionMenuControllerAriaLabelledBy.append(eventVersionLabelId + " ");
    versionSectionMenuControllerAriaLabelledBy.append(eventVersionValueId + " ");
    versionSectionMenuControllerAriaLabelledBy.append(eventCommentLabelId + " ");
    versionSectionMenuControllerAriaLabelledBy.append(eventCommentValueId + " ");
    versionSectionMenuControllerAriaLabelledBy.append(eventAddedLabelId + " ");
    versionSectionMenuControllerAriaLabelledBy.append(eventAddedValueId + " ");
    if(scheduled) {
        versionSectionMenuControllerAriaLabelledBy.append(eventVersionScheduledLabelId +" ");
        versionSectionMenuControllerAriaLabelledBy.append(eventVersionScheduledValueId +" ");
    }

    final String formId = "UID-timeline-event-form_" + event.getDescription();
    final String formContainerId = "UID-timeline-event-form-container_" + event.getDescription();
    final String versionLabelId = "cq-common-admin-timeline-events-version-label-text" + event.getDescription();
    final String versionCommentId = "cq-common-admin-timeline-events-version-comment-text" + event.getDescription();

    final String sectionId = "UID-timeline-version-section-id_" + event.getDescription();
%>
<div class="cq-common-admin-timeline-event version-section-container"
<%if (preview != null) { %>  
            data-preview="<%= xssAPI.encodeForHTMLAttr(request.getContextPath()+ preview) %>"
        <%} %>
            data-preview-width=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previeWidth)) %> 
            data-preview-height=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previewHeight)) %>
        <%if (StringUtils.isNotBlank(mimeType)){ %>
            data-asset-mime-type="<%= xssAPI.encodeForHTMLAttr(mimeType) %>"
        <%} %>
        <% if(isCurrent) { %>
            iscurrentversion = "true"
        <% } else { %>
            iscurrentversion = "false"
        <% } %>

>
    <section
        class="version-section"
        id="<%= sectionId %>"
        tabIndex="0"
        aria-labelledBy="<%= versionSectionMenuControllerAriaLabelledBy.toString() %>"

        <%if (preview != null) { %>
            data-alt="<%=xssAPI.encodeForHTMLAttr(altText)%>"
            data-preview="<%= xssAPI.encodeForHTMLAttr(request.getContextPath()+ preview) %>"
        <%} %>

        <% if(!isCurrent) { %>
            role="button"
            aria-expanded="false"
            aria-controls="<%= formContainerId %>"
        <% } else { %>
            iscurrentversion = "true"
        <% } %>


        data-preview-width=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previeWidth)) %>
        data-preview-height=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previewHeight)) %>

        <%if (StringUtils.isNotBlank(mimeType)){ %>
            data-asset-mime-type="<%= xssAPI.encodeForHTMLAttr(mimeType) %>"
        <%} %>
        >
        <div class="cq-common-admin-timeline-event-icon">
           <img class="version-img" src="<%= xssAPI.getValidHref(Text.escapePath(imgPath))%>" alt="<%=xssAPI.encodeForHTMLAttr(altText)%>"></img>
        </div>
        <div class="cq-common-admin-timeline-event-text version-text">
            <div id="<%= eventVersionLabelId %>" hidden><%= xssAPI.encodeForHTML(i18n.get(", Version, ")) %></div>
            <% if (label != null) {
                if (isCurrent) { %>
                    <div id="<%= eventVersionValueId %>" class="main"><%= xssAPI.encodeForHTML(i18n.get("Current")) %></div>
                <% } else if (scheduled) { %>
                    <div id="<%= eventVersionValueId %>" class="main"><%= xssAPI.encodeForHTML(i18n.get("New Version {0}", "example: New Version 1.1", label)) %>
                        <div id="<%= eventVersionScheduledLabelId %>" hidden><%= xssAPI.encodeForHTML(i18n.get(", Scheduled, ")) %></div>
                        <foundation-time id="<%= eventVersionScheduledValueId %>" type="datetime" value="<%= xssAPI.encodeForHTMLAttr(date.toInstant().toString()) %>"></foundation-time>
                    </div>
                <% } else { %>
                    <div id="<%= eventVersionValueId %>" class="main"><%= xssAPI.encodeForHTML(i18n.get("New Version {0}", "example: New Version 1.1", label)) %></div>
                <% }
            } else { %>
                <div class="main"><%= xssAPI.encodeForHTML(i18n.get("New Version {0}", "example: New Version 1.1", event.getDescription())) %></div>
            <% } %>
            <% if (comment != null) { %>
                <div id="<%= eventCommentLabelId %>" hidden><%= xssAPI.encodeForHTML(i18n.get(", Comment, ")) %></div>
                <div id="<%= eventCommentValueId %>"><%= xssAPI.encodeForHTML(comment) %></div>
            <% } %>
            <%
            if(dateText != null) {%>
                <div id="<%= eventAddedLabelId %>" hidden>, Added, </div>
                <%
                if (userName != null) { %>
                    <div id="<%= eventAddedValueId %>"><%= xssAPI.filterHTML(i18n.get("{0} by {1} ", "example: New Version 1.1", dateText, userName)) %></div>
            <%  } else { %>
                    <div id="<%= eventAddedValueId %>"><%= xssAPI.filterHTML(i18n.get("{0}", "example: New Version 1.1", dateText)) %></div>
            <%  }
            }
            %>
        </div>
    </section>

    <div id="<%= formContainerId %>"
        class="cq-common-admin-timeline-event is-active cq-common-admin-timeline-event-expanded cq-common-admin-timeline-item version-form-container"
        role="region"
        aria-labelledBy="<%= sectionId %>"
        <%if (preview != null) { %>
            data-alt="<%=xssAPI.encodeForHTMLAttr(altText)%>"
            data-preview="<%= xssAPI.encodeForHTMLAttr(request.getContextPath()+ preview) %>"
        <%} %>
        data-preview-width=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previeWidth)) %>
        data-preview-height=<%= xssAPI.encodeForHTMLAttr(String.valueOf(previewHeight)) %>
        style="padding-top:0px;">
      <% if (canAdministerVersions && !isCurrent) { %>
        <form action="<%= request.getContextPath() + xssAPI.encodeForHTMLAttr(versionablePath) %>.version.html" x-cq-linkchecker="skip" type = "POST">
            <input type="hidden" name="cmd" value="restoreVersion">
            <input type="hidden" name="_charset_" value="utf-8">
            <input type="hidden" name=":status" value="browser">
            <input type="hidden" name="id" value="<%= version.getIdentifier() %>">
            <input type="hidden" name="path" value="<%= xssAPI.encodeForHTMLAttr(path) %>">
            <label for="<%= versionLabelId %>" ><%= xssAPI.encodeForHTML(i18n.get("Label")) %></label>
            <input type="text" is="coral-textfield" id="<%= versionLabelId %>" class="version-label-expanded" style="margin-top:0px;" name="label">
            <label for="<%= versionCommentId %>" ><%= xssAPI.encodeForHTML(i18n.get("Comment")) %></label>
            <input type="text" is="coral-textfield" id="<%= versionCommentId %>" class="version-comment-expanded" name="comment">
            <button is="coral-button" class="cq-common-admin-timeline-event-button cq-common-admin-timeline-event-action-ok foundation-collection-action" type="button"><%= i18n.get("Revert to this Version") %></button>
            <% if (!isContentFragment(versionedResource)) { %>
            <button is="coral-button" class="cq-common-admin-timeline-event-action-preview" type="button"><%= i18n.get("Preview Version") %></button>
            <% } else { %>
            <button is="coral-button" class="cq-common-admin-timeline-event-action-compare" type="button"><%= i18n.get("Compare to Current") %></button>
            <% } %>
       </form>
      <% } %>
    </div>
</div>

<%!
Resource getPreviewVersionRendition(Resource previewRenditions, boolean preferOriginal) {
    Resource maxResRendition = null;
    if (preferOriginal && null != previewRenditions.getChild(ORIGINAL_FILE)) {
        return previewRenditions.getChild(ORIGINAL_FILE);
    }
    int maxTillNow = 0;
    for (Resource r : previewRenditions.getChildren()) {
        String name = r.getName();
        String tokens[] = name.split("\\.");
        if (tokens.length > 2) {
            try {
                int current = Integer.parseInt(tokens[2]);
                if (current > maxTillNow) {
                    maxTillNow = current;
                    maxResRendition = r;
                }
            } catch (Exception e) {
            }
        }
    }
    if (maxResRendition == null && null != previewRenditions.getChild(ORIGINAL_FILE)) {
        return previewRenditions.getChild(ORIGINAL_FILE);
    }
    return maxResRendition;
}

private boolean isContentFragment(Resource resource) {
    Resource contentResource = resource.getChild(
            JcrConstants.JCR_FROZENNODE + "/" + JcrConstants.JCR_CONTENT);
    boolean isFragment = false;
    if (contentResource != null) {
        ValueMap contentProps = contentResource.adaptTo(ValueMap.class);
        isFragment = contentProps.get("contentFragment", false);
    }
    return isFragment;
}

%>