/*
    * 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.hadoop.chukwa.rest.bean;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  @XmlRootElement
  @XmlType(propOrder={"type", "id", "label", "children"})
  public class CatalogBean {
    private static final Log log = LogFactory.getLog(CatalogBean.class);
    private List<CatalogBean> children = new ArrayList<CatalogBean>();
    private String type = "text";
    private String label = null;
    private String id = null;
    
    public CatalogBean() {
    }
    
    @XmlElement
    public String getType() {
      return type;
    }
    
    @XmlElement
    public String getId() {
      return id;
    }
    
    @XmlElement
    public String getLabel() {
      return label;
    }
    
    @XmlElement
    public List<CatalogBean> getChildren() {
      return children;
    }
    
    public void setType(String type) {
      this.type = type;  
    }
    
    public void setId(String id) {
      this.id = id;
    }
    
    public void setLabel(String label) {
      this.label = label;
    }
    
    public void setChildren(List<CatalogBean> children) {
      this.children = children;
    }
    
    public void addCatalog(WidgetBean widget) {
      String[] path = widget.getCategories().split(",");
      List<CatalogBean> tracker = this.children;
      if(tracker==null) {
        tracker = new ArrayList<CatalogBean>();
      }
      for(int i=0;i<path.length;i++) {
        boolean duplicate = false;
        for(int j=0;j<tracker.size();j++) {
          if(tracker.get(j).getLabel().intern()==path[i].intern()) {
            duplicate = true;
            tracker = tracker.get(j).getChildren();
            continue;
          }
        }
        if(!duplicate) {
          tracker = addCategory(tracker, widget.getId(), path[i]);
        }
      }
      tracker = addCategory(tracker, widget.getId(), widget.getTitle());
    }
   
   public List<CatalogBean> addCategory(List<CatalogBean> tracker, String id, String label) {
     CatalogBean c = new CatalogBean();
     c.setId(id);
     c.setLabel(label);
     tracker.add(c);
     return c.getChildren();
   }
   
 }