/*
    * Copyright 2014 James Pether Sörling
    *
    * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
    *
   * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.web.impl.ui.application.views.user.document.pagemode;
  
  import java.util.List;
  
  import org.apache.commons.lang3.StringUtils;
  import org.springframework.security.access.annotation.Secured;
  import org.springframework.stereotype.Component;
  
  import com.hack23.cia.model.external.riksdagen.dokumentlista.impl.DocumentElement;
  import com.hack23.cia.model.external.riksdagen.dokumentstatus.impl.DocumentAttachment;
  import com.hack23.cia.model.external.riksdagen.dokumentstatus.impl.DocumentData;
  import com.hack23.cia.model.external.riksdagen.dokumentstatus.impl.DocumentData_;
  import com.hack23.cia.model.external.riksdagen.dokumentstatus.impl.DocumentStatusContainer;
  import com.hack23.cia.model.external.riksdagen.dokumentstatus.impl.DocumentStatusContainer_;
  import com.hack23.cia.model.external.riksdagen.utskottsforslag.impl.CommitteeProposalComponentData;
  import com.hack23.cia.model.internal.application.system.impl.ApplicationEventGroup;
  import com.hack23.cia.service.api.DataContainer;
  import com.hack23.cia.web.impl.ui.application.action.ViewAction;
  import com.hack23.cia.web.impl.ui.application.views.common.labelfactory.LabelFactory;
  import com.hack23.cia.web.impl.ui.application.views.common.pagelinks.impl.ExternalAttachmentDownloadLink;
  import com.hack23.cia.web.impl.ui.application.views.common.sizing.ContentRatio;
  import com.hack23.cia.web.impl.ui.application.views.common.viewnames.DocumentPageMode;
  import com.vaadin.data.util.BeanItemContainer;
  import com.vaadin.ui.Layout;
  import com.vaadin.ui.MenuBar;
  import com.vaadin.ui.Panel;
  import com.vaadin.ui.VerticalLayout;
  
  /**
   * The Class DocumentAttachementsPageModContentFactoryImpl.
   */
  @Component
  public final class DocumentAttachementsPageModContentFactoryImpl extends AbstractDocumentPageModContentFactoryImpl {
  
  	/** The Constant DOCUMENT_ATTACHMENTS. */
  	private static final String DOCUMENT_ATTACHMENTS = "Document Attachments";
  
  	/**
  	 * Instantiates a new document attachements page mod content factory impl.
  	 */
  	public DocumentAttachementsPageModContentFactoryImpl() {
  		super();
  	}
  
  	@Override
  	public boolean matches(final String page, final String parameters) {
  		return NAME.equals(page) && (!StringUtils.isEmpty(parameters)
  				&& parameters.contains(DocumentPageMode.DOCUMENTATTACHMENTS.toString()));
  	}
  
  	@Secured({ "ROLE_ANONYMOUS", "ROLE_USER", "ROLE_ADMIN" })
  	@Override
  	public Layout createContent(final String parameters, final MenuBar menuBar, final Panel panel) {
  		final VerticalLayout panelContent = createPanelContent();
  
  		final String pageId = getPageId(parameters);
  
  		final DataContainer<DocumentElement, String> documentElementDataContainer = getApplicationManager()
  				.getDataContainer(DocumentElement.class);
  
  		final DataContainer<DocumentStatusContainer, String> documentStatusContainerDataContainer = getApplicationManager()
  				.getDataContainer(DocumentStatusContainer.class);
  
  		getApplicationManager().getDataContainer(CommitteeProposalComponentData.class);
  
  		final DocumentElement documentElement = documentElementDataContainer.load(pageId);
  
  		if (documentElement != null) {
  
  			getDocumentMenuItemFactory().createDocumentMenuBar(menuBar, pageId);
  
  			final DocumentStatusContainer documentStatusContainer = documentStatusContainerDataContainer
  					.findByQueryProperty(DocumentStatusContainer.class, DocumentStatusContainer_.document,
  							DocumentData.class, DocumentData_.id, pageId);
  
  			LabelFactory.createHeader2Label(panelContent,DOCUMENT_ATTACHMENTS);
  
  
  			if (documentStatusContainer != null && documentStatusContainer.getDocumentAttachmentContainer() != null
  					&& documentStatusContainer.getDocumentAttachmentContainer().getDocumentAttachmentList() != null) {
  				final BeanItemContainer<DocumentAttachment> documentAttachmentDataSource = new BeanItemContainer<>(
 						DocumentAttachment.class,
 						documentStatusContainer.getDocumentAttachmentContainer().getDocumentAttachmentList());
 
 				getGridFactory().createBasicBeanItemGrid(
 						panelContent, documentAttachmentDataSource,
 						"Document attachements", new String[] { "fileName", "fileSize", "fileType", "fileUrl" }, new String[] { "hjid" },
 						null, null, null);
 
 				final List<DocumentAttachment> documentAttachmentList = documentStatusContainer.getDocumentAttachmentContainer().getDocumentAttachmentList();
 
 				final VerticalLayout verticalLayout = new VerticalLayout();
 				panelContent.addComponent(verticalLayout);
 				panelContent.setExpandRatio(verticalLayout,ContentRatio.SMALL);
 
 				for (final DocumentAttachment documentAttachment : documentAttachmentList) {
 					final ExternalAttachmentDownloadLink link = new ExternalAttachmentDownloadLink(documentAttachment.getFileName(), documentAttachment.getFileType(), documentAttachment.getFileUrl());
 					verticalLayout.addComponent(link);
 				}
 			}
 
 			panel.setContent(panelContent);
 			getPageActionEventHelper().createPageEvent(ViewAction.VISIT_DOCUMENT_VIEW, ApplicationEventGroup.USER, NAME,
 					parameters, pageId);
 		}
 
 		return panelContent;
 
 	}
 
 }