/*
    * 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.nio.charset.Charset;
  import java.text.ParseException;
  
  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;
  import org.json.simple.JSONArray;
  import org.json.simple.JSONObject;
  import org.json.simple.parser.JSONParser;
  import org.apache.hadoop.chukwa.util.ExceptionUtil;
  
  @XmlRootElement
  @XmlType
  public class ViewBean {
    private PagesBean[] pages;
    private String description;
    private String owner;
    
    private String name;
    private String permissionType;
    private static Log log = LogFactory.getLog(ViewBean.class);
  
    public ViewBean() {  
    }
    
    public ViewBean(byte[] buffer) throws ParseException {
      JSONParser parser = new JSONParser();
      try {
        JSONObject json = (JSONObject) parser.parse(new String(buffer, Charset.forName("UTF-8")));
        if(json.containsKey("description")) {
          this.description = (String) json.get("description");
        } else {
          this.description = "";
        }
        this.owner= (String) json.get("owner");
        this.name= (String) json.get("name");
        this.permissionType= (String) json.get("permissionType");
        int size = ((JSONArray) json.get("pages")).size();
        PagesBean[] pages = new PagesBean[size];
        JSONArray pagesArray = (JSONArray) json.get("pages");
        for(int i=0;i<size;i++) {
          pages[i] = new PagesBean((JSONObject) pagesArray.get(i));
        }
        this.pages=pages;
      } catch (Exception e) {
        log.error(ExceptionUtil.getStackTrace(e));
        throw new ParseException(ExceptionUtil.getStackTrace(e), 0);
      }
    }
    
    @XmlElement
    public PagesBean[] getPages() {
      return pages.clone();
    }
    
    @XmlElement
    public int getPagesCount() {
      return pages.length;  
    }
    
    @XmlElement
    public String getDescription() {
      return this.description;
    }
    
    @XmlElement
    public String getOwner() {
      return this.owner;
    }
    
    @XmlElement
    public String getName() {
      return this.name;
    }
    
    @XmlElement
   public String getPermissionType() {
     return this.permissionType;
   }
   
   public void setPages(PagesBean[] pages) {
     this.pages = (PagesBean[]) pages.clone();
   }
   
   public void setDescription(String description) {
     this.description = description;
   }
   
   public void setOwner(String owner) {
     this.owner = owner;
   }
   
   public void setName(String name) {
     this.name = name;
   }
   
   public void setPermissionType(String permissionType) {
     this.permissionType = permissionType;
   }
   
   public void update() {
     if(this.pages!=null) {
       for(PagesBean page : pages) {
         page.update();
       }
     }
   }
   
   @SuppressWarnings("unchecked")
   public JSONObject deserialize() {
     update();
     JSONObject view = new JSONObject();
     try {
       view.put("name", this.name);
       view.put("owner", this.owner);
       view.put("permissionType", this.permissionType);
       view.put("description", this.description);
       JSONArray ja = new JSONArray();
       for(int i=0;i<this.pages.length;i++) {
         ja.add(this.pages[i].deserialize());
       }
       view.put("pages", (JSONArray) ja);
     } catch (Exception e){
       log.error(ExceptionUtil.getStackTrace(e));
     }
     return view;
   }
 }