/*
    * 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.text.ParseException;
  
  import javax.xml.bind.annotation.XmlElement;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.json.simple.JSONArray;
  import org.json.simple.JSONObject;
  
  import org.apache.hadoop.chukwa.util.ExceptionUtil;
  
  public class PagesBean {
    private static Log log = LogFactory.getLog(PagesBean.class);
    private String title;
    private int[] columnSizes;
    private ColumnBean[] layout;
    private int columns;
    
    public PagesBean() {
    }
  
    
    public PagesBean(JSONObject json) throws ParseException {
      try {
        title = (String) json.get("title");
        columns = ((Long) json.get("columns")).intValue();
        JSONArray layout = (JSONArray) json.get("layout");
        this.layout = new ColumnBean[layout.size()];
        for(int i=0;i<layout.size();i++) {
          ColumnBean c = new ColumnBean((JSONArray) layout.get(i));
          this.layout[i]=c;
        }
        if(json.containsKey("colSize")) {
          JSONArray ja = (JSONArray) json.get("colSize");
          columnSizes = new int[ja.size()];
          for(int i=0; i< ja.size(); i++) {
            columnSizes[i] = ((Long) ja.get(i)).intValue();
          }
        }
      } catch (Exception e) {
        log.error(ExceptionUtil.getStackTrace(e));
        throw new ParseException(ExceptionUtil.getStackTrace(e), 0);
      }
    }
    
    @XmlElement
    public String getTitle() {
      return title;
    }
  
  //  @XmlElement
  //  public String getLayoutStyle() {
  //    return layoutStyle;
  //  }
  
    @XmlElement(name="layout")
    public ColumnBean[] getLayout() {
      return layout.clone();
    }
    
    public void update() {
      for(int i=0;i<layout.length;i++) {
        layout[i].update();
      }
    }
    
    public void setTitle(String title) {
      this.title = title;
    }
  
    public void setLayout(ColumnBean[] layout) {
      this.layout = (ColumnBean[]) layout.clone();
    }
  
    @XmlElement(name="colSize")
    public int[] getColSize() {
      return this.columnSizes.clone();  
    }
    
   public void setColSize(int[] size) {
     this.columnSizes = (int[]) size.clone();
   }
 
   @XmlElement(name="columns")
   public int getColumns() {
     return this.columns;
   }
   
   public void setColumns(int columns) {
     this.columns = columns;
   }
   
   public JSONObject deserialize() {
     JSONObject json = new JSONObject();
     JSONArray ja = new JSONArray();
     JSONArray sizes = new JSONArray();
     try {
       json.put("title", this.title);
       for(int i=0;i<layout.length;i++) {
         ja.add(layout[i].deserialize());
       }
       json.put("layout", (JSONArray) ja);
       json.put("columns", layout.length);
       if(columnSizes!=null) {
         for(int colSize : columnSizes) {
           sizes.add(colSize);
         }
       }
       json.put("colSize", (JSONArray) sizes);
     } catch (Exception e) {
       log.error(ExceptionUtil.getStackTrace(e));
     }
     return json;
   }
 
 }