/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
  
  import org.apache.myfaces.tobago.component.Attributes;
  import org.apache.myfaces.tobago.component.UITreeCommand;
  import org.apache.myfaces.tobago.component.UITreeNode;
  import org.apache.myfaces.tobago.internal.component.AbstractUICommand;
  import org.apache.myfaces.tobago.internal.util.AccessKeyMap;
  import org.apache.myfaces.tobago.renderkit.CommandRendererBase;
  import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey;
  import org.apache.myfaces.tobago.renderkit.css.Classes;
  import org.apache.myfaces.tobago.renderkit.css.Style;
  import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
  import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
  import org.apache.myfaces.tobago.renderkit.html.util.CommandRendererHelper;
  import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
  import org.apache.myfaces.tobago.util.ComponentUtils;
  import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.faces.context.ResponseWriter;
  import java.io.IOException;
  
  public class TreeCommandRenderer extends CommandRendererBase {
  
    private static final Logger LOG = LoggerFactory.getLogger(TreeCommandRenderer.class);
  
    @Override
    public void prepareRender(FacesContext facesContext, UIComponent component) throws IOException {
      final UITreeCommand command = (UITreeCommand) component;
      final UITreeNode node = ComponentUtils.findAncestor(command, UITreeNode.class);
      // Todo: use an expression?
      command.setDisabled(node.isDisabled());
      super.prepareRender(facesContext, component);
    }
  
    @Override
    public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {
  
      UITreeCommand command = (UITreeCommand) component;
      String clientId = command.getClientId(facesContext);
      CommandRendererHelper helper = new CommandRendererHelper(facesContext, command, CommandRendererHelper.Tag.ANCHOR);
      String href = helper.getHref();
      TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
  
      LabelWithAccessKey label = new LabelWithAccessKey(command);
  
      if (helper.isDisabled()) {
        writer.startElement(HtmlElements.SPAN, command);
      } else {
        writer.startElement(HtmlElements.A, command);
        writer.writeAttribute(HtmlAttributes.HREF, href, true);
        if (helper.getOnclick() != null) {
          writer.writeAttribute(HtmlAttributes.ONCLICK, helper.getOnclick(), true);
        }
        if (helper.getTarget() != null) {
          writer.writeAttribute(HtmlAttributes.TARGET, helper.getTarget(), true);
        }
        writer.writeNameAttribute(clientId);
      }
      writer.writeStyleAttribute(createStyle(facesContext, command));
      writer.writeClassAttribute(Classes.create(command));
      writer.writeIdAttribute(clientId);
      HtmlRendererUtils.writeDataAttributes(facesContext, writer, command);
      if (label.getAccessKey() != null) {
        writer.writeAttribute(HtmlAttributes.ACCESSKEY, Character.toString(label.getAccessKey()), false);
      }
      HtmlRendererUtils.renderTip(command, writer);
      writer.flush();
  
  //  label
      if (label.getText() != null) {
        HtmlRendererUtils.writeLabelWithAccessKey(writer, label);
      }
  
      if (label.getAccessKey() != null) {
        if (LOG.isInfoEnabled()
            && !AccessKeyMap.addAccessKey(facesContext, label.getAccessKey())) {
         LOG.info("duplicated accessKey : " + label.getAccessKey());
       }
 
       HtmlRendererUtils.addClickAcceleratorKey(facesContext, clientId, label.getAccessKey());
     }
   }
 
   protected Style createStyle(FacesContext facesContext, AbstractUICommand link) {
     return new Style(facesContext, link);
   }
 
   @Override
   public void encodeEnd(FacesContext facesContext, UIComponent component)
       throws IOException {
     ResponseWriter writer = facesContext.getResponseWriter();
     if (ComponentUtils.getBooleanAttribute(component, Attributes.DISABLED)) {
       writer.endElement(HtmlElements.SPAN);
     } else {
       writer.endElement(HtmlElements.A);
     }
   }
 }