@model Disco.Web.Models.User.ShowModel
@{
    Authorization.Require(Claims.User.ShowAttachments);

    var canAddAttachments = Authorization.Has(Claims.User.Actions.AddAttachments);
    var canRemoveAnyAttachments = Authorization.Has(Claims.User.Actions.RemoveAnyAttachments);
    var canRemoveOwnAttachments = Authorization.Has(Claims.User.Actions.RemoveOwnAttachments);

    Html.BundleDeferred("~/Style/Shadowbox");
    Html.BundleDeferred("~/ClientScripts/Modules/Shadowbox");
    Html.BundleDeferred("~/ClientScripts/Modules/jQuery-SignalR");

    if (canAddAttachments)
    {
        Html.BundleDeferred("~/ClientScripts/Modules/Disco-AttachmentUploader");
    }
}
<div id="UserDetailTab-Resources" class="UserPart">
    <table id="userShowResources">
        <tr>
            <td id="AttachmentsContainer">
                <div id="Attachments" class="@(canAddAttachments ? "canAddAttachments" : "cannotAddAttachments")">
                    <div class="Disco-AttachmentUpload-DropTarget">
                        <h2>Drop Attachments Here</h2>
                    </div>
                    <div class="attachmentOutput">
                        @if (Model.User.UserAttachments != null)
                        {
                            foreach (var ua in Model.User.UserAttachments)
                            {
                            <a href="@Url.Action(MVC.API.User.AttachmentDownload(ua.Id))" data-attachmentid="@ua.Id" data-mimetype="@ua.MimeType">
                                <span class="icon" title="@ua.Filename">
                                    <img alt="Attachment Thumbnail" src="@(Url.Action(MVC.API.User.AttachmentThumbnail(ua.Id)))" /></span>
                                <span class="comments" title="@ua.Comments">
                                    @{if (!string.IsNullOrEmpty(ua.DocumentTemplateId))
                                      { @ua.DocumentTemplate.Description}
                                      else
                                      { @ua.Comments }}
                                </span><span class="author">@ua.TechUser.ToStringFriendly()</span>@if (canRemoveAnyAttachments || (canRemoveOwnAttachments && ua.TechUserId == CurrentUser.UserId))
                                                                                                  {<text><span class="remove fa fa-times-circle"></span></text>}<span class="timestamp" data-livestamp="@(ua.Timestamp.ToUnixEpoc())" title="@ua.Timestamp.ToFullDateTime()">@ua.Timestamp.ToFullDateTime()</span>
                            </a>   
                            }
                        }
                    </div>
                    @if (canAddAttachments)
                    {
                        <div class="Disco-AttachmentUpload-Progress"></div>
                        <div class="attachmentInput clearfix">
                            <span class="action upload fa fa-upload" title="Attach File"></span><span class="action photo fa fa-camera" title="Capture Image"></span>
                        </div>
                    }
                    <script type="text/javascript">
                        Shadowbox.init({
                            skipSetup: true,
                            modal: true
                        });
                        $(function () {
                            var $Attachments = $('#Attachments');
                            var $attachmentOutput = $Attachments.find('.attachmentOutput');
                            var $dialogRemoveAttachment = null;

                            // Connect to Hub
                            var hub = $.connection.userUpdates;

                            // Map Functions
                            hub.client.addAttachment = onAddAttachment;
                            hub.client.removeAttachment = onRemoveAttachment;

                            $.connection.hub.qs = { UserId: '@(Model.User.UserId.Replace(@"\", @"\\"))' };
                        $.connection.hub.error(onHubError);

                        // Start Connection
                        $.connection.hub.start().fail(onHubError);

                        function onHubError(error) {
                            alert('Live-update Error: ' + error);
                        }

                        function onAddAttachment(id, quick) {
                            var data = { id: id };
                            $.ajax({
                                url: '@Url.Action(MVC.API.User.Attachment())',
                                dataType: 'json',
                                data: data,
                                success: function (d) {
                                    if (d.Result == 'OK') {
                                        var a = d.Attachment;
                                        @if (canRemoveAnyAttachments)
                                        {
                                        <text>buildAttachment(a, true, quick);</text>
                                        }
                                        else if (canRemoveOwnAttachments)
                                        {
                                        <text>buildAttachment(a, (a.AuthorId === '@(CurrentUser.UserId)'), quick);</text>
                                        }
                                        else
                                        {
                                        <text>buildAttachment(a, false, quick);</text>
                                        }
                                    } else {
                                        alert('Unable to add attachment: ' + d.Result);
                                    }
                                },
                                error: function (jqXHR, textStatus, errorThrown) {
                                    alert('Unable to add attachment: ' + textStatus);
                                }
                            });
                        }
                        function buildAttachment(a, canRemove, quick) {
                            var t = '<a><span class="icon"><img alt="Attachment Thumbnail" /></span><span class="comments"></span><span class="author"></span>';
                            if (canRemove)
                                t += '<span class="remove fa fa-times-circle"></span>';
                            t += '<span class="timestamp"></span></a>';

                            var e = $(t);

                            e.attr('data-attachmentid', a.Id).attr('data-mimetype', a.MimeType).attr('href', '@(Url.Action(MVC.API.User.AttachmentDownload()))/' + a.Id);
                            e.find('.comments').text(a.Description);
                            e.find('.author').text(a.Author);
                            e.find('.timestamp').text(a.TimestampFull).attr('title', a.TimestampFull).livestamp(a.TimestampUnixEpoc);
                            if (canRemove)
                                e.find('.remove').click(removeAttachment);
                            if (!quick)
                                e.hide();
                            $attachmentOutput.append(e);
                            onUpdate();
                            if (!quick)
                                e.show('slow');
                            if (a.MimeType.toLowerCase().indexOf('image/') == 0)
                                e.shadowbox({ gallery: 'attachments', player: 'img', title: a.Description });
                            else
                                e.click(onDownload);

                            // Add Thumbnail
                            var buildThumbnail = function () {
                                var retryCount = 0;
                                var img = e.find('.icon img');

                                var setThumbnailUrl = function () {
                                    img.attr('src', '@(Url.Action(MVC.API.User.AttachmentThumbnail()))/' + a.Id + '?v=' + retryCount);
                                };
                                img.on('error', function () {
                                    img.addClass('loading');
                                    retryCount++;
                                    if (retryCount < 6)
                                        window.setTimeout(setThumbnailUrl, retryCount * 250);
                                });
                                img.on('load', function () {
                                    img.removeClass('loading');
                                });
                                window.setTimeout(setThumbnailUrl, 100);
                            };
                            buildThumbnail();
                        }

                        function onDownload() {
                            var $this = $(this);
                            var url = $this.attr('href');

                            if ($.connection && $.connection.hub && $.connection.hub.transport &&
                                                $.connection.hub.transport.name == 'foreverFrame') {
                                // SignalR active with foreverFrame transport - use popup window
                                window.open(url, '_blank', 'height=150,width=250,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no');
                            } else {
                                // use iFrame
                                if (!$attachmentDownloadHost) {
                                    $attachmentDownloadHost = $('<iframe>')
                                        .attr({ 'src': url, 'title': 'Attachment Download Host' })
                                        .addClass('hidden')
                                        .appendTo('body')
                                        .contents();
                                } else {
                                    $attachmentDownloadHost[0].location.href = url;
                                }
                            }

                            return false;
                        }

                        function onRemoveAttachment(id) {
                            var a = $attachmentOutput.find('a[data-attachmentid=' + id + ']');

                            a.hide(300).delay(300).queue(function () {
                                var $this = $(this);
                                if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
                                    Shadowbox.removeCache(this);
                                $this.find('.timestamp').livestamp('destroy');
                                $this.remove();
                                onUpdate();
                            });
                        }

                        function onUpdate() {
                            var attachmentCount = $attachmentOutput.children('a').length;
                            var tabHeading = 'Attachments [' + attachmentCount + ']';
                            $('#UserDetailTab-ResourcesLink').text(tabHeading);
                        }

                        @if (canAddAttachments)
                        {<text>
                        //#region Add Attachments
                        var attachmentUploader = new document.Disco.AttachmentUploader(
                            '@(Url.Action(MVC.API.User.AttachmentUpload(Model.User.UserId, null)))',
                            $Attachments.find('.Disco-AttachmentUpload-DropTarget'),
                            $Attachments.find('.Disco-AttachmentUpload-Progress'));

                        var $attachmentInput = $Attachments.find('.attachmentInput');
                        $attachmentInput.find('.photo').click(function () {
                            attachmentUploader.uploadImage();
                        });
                        $attachmentInput.find('.upload').click(function () {
                            attachmentUploader.uploadFiles();
                        });

                        var resourcesTab;
                        $(document).on('dragover', function () {
                            if (!resourcesTab) {
                                var tabs = $Attachments.closest('.ui-tabs');
                                resourcesTab = {
                                    tabs: tabs,
                                    resourcesIndex: tabs.children('ul.ui-tabs-nav').find('a[href="#UserDetailTab-Resources"]').closest('li').index()
                                };
                            }
                            var selectedIndex = resourcesTab.tabs.tabs('option', 'active');
                            if (resourcesTab.resourcesIndex !== selectedIndex)
                                resourcesTab.tabs.tabs('option', 'active', resourcesTab.resourcesIndex);
                        });
                        //#endregion
                        </text>}
                        @if (canRemoveAnyAttachments || canRemoveOwnAttachments)
                        {<text>
                        //#region Remove Attachments

                        $attachmentOutput.find('span.remove').click(removeAttachment);

                        function removeAttachment() {
                            $this = $(this).closest('a');

                            var data = { id: $this.attr('data-attachmentid') };

                            if (!$dialogRemoveAttachment) {
                                $dialogRemoveAttachment = $('#dialogRemoveAttachment').dialog({
                                    resizable: false,
                                    height: 140,
                                    modal: true,
                                    autoOpen: false
                                });
                            }

                            $dialogRemoveAttachment.dialog("enable");
                            $dialogRemoveAttachment.dialog('option', 'buttons', {
                                "Remove": function () {
                                    $dialogRemoveAttachment.dialog("disable");
                                    $dialogRemoveAttachment.dialog("option", "buttons", null);
                                    $.ajax({
                                        url: '@Url.Action(MVC.API.User.AttachmentRemove())',
                                        dataType: 'json',
                                        data: data,
                                        success: function (d) {
                                            if (d == 'OK') {
                                                // Do nothing, await SignalR notification
                                            } else {
                                                alert('Unable to remove attachment: ' + d);
                                            }
                                            $dialogRemoveAttachment.dialog("close");
                                        },
                                        error: function (jqXHR, textStatus, errorThrown) {
                                            alert('Unable to remove attachment: ' + textStatus);
                                            $dialogRemoveAttachment.dialog("close");
                                        }
                                    });
                                },
                                Cancel: function () {
                                    $dialogRemoveAttachment.dialog("close");
                                }
                            });

                            $dialogRemoveAttachment.dialog('open');

                            return false;
                        }

                        //#endregion
                        </text>}

                        $attachmentOutput.children('a').each(function () {
                            $this = $(this);
                            if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
                                $this.shadowbox({ gallery: 'attachments', player: 'img', title: $this.find('.comments').text() });
                            else
                                $this.click(onDownload);
                        });
                    });
                    </script>
                </div>
            </td>
        </tr>
    </table>
    <script>
        $('#UserDetailTabItems').append('<li><a href="#UserDetailTab-Resources" id="UserDetailTab-ResourcesLink">Attachments [@(Model.User.UserAttachments == null ? 0 : Model.User.UserAttachments.Count)]</a></li>');
    </script>
</div>
@if (canRemoveAnyAttachments || canRemoveOwnAttachments)
{
    <div id="dialogRemoveAttachment" class="dialog" title="Remove this Attachment?">
        <p>
            <i class="fa fa-exclamation-triangle fa-lg"></i>&nbsp;Are you sure?
        </p>
    </div>
}