/*
    * 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 java.util.Collection;
  import java.util.HashSet;
  
  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 ParametersBean {
    private static Log log = LogFactory.getLog(ParametersBean.class);
    private String name=null;
    private String type=null;
    private Collection<String> value=null;
    private String control=null;
    private String label=null;
    private String callback=null;
    private int edit=1;
    private OptionBean[] options=null;
    
    public ParametersBean() {    
    }
    
    public ParametersBean(JSONObject json) throws ParseException {
      name=(String) json.get("name");
      type=(String) json.get("type");
      if(json.containsKey("value")) {
        if(json.get("value").getClass()==JSONArray.class) {
          JSONArray ja = (JSONArray) json.get("value");
          Collection<String> c = new HashSet<String>();
          for(int i = 0; i < ja.size(); i++) {
            c.add((String) ja.get(i));
          }
          this.value = c;
        } else {
          Collection<String> c = new HashSet<String>();
          c.add((String)json.get("value"));
          this.value = c;
        }        
      }
      if(json.containsKey("label")) {
        label=(String) json.get("label");
      } else {
        label=(String) json.get("name");
      }
      if(json.get("type").toString().intern()=="custom".intern()) {
        control=(String) json.get("control");
      }
      if(json.containsKey("callback")) {
        callback=(String) json.get("callback");
      }
      if(json.containsKey("options")) {
        JSONArray aj = (JSONArray) json.get("options");
        options = new OptionBean[aj.size()];
        for(int i=0;i<aj.size();i++) {
          OptionBean o = new OptionBean((JSONObject) aj.get(i));
          options[i]=o;
        }
      }
      if(json.containsKey("edit")) {
        if(json.get("edit").getClass().equals(String.class)) {
          edit=Integer.parseInt((String)json.get("edit"));
        } else if(json.get("edit").getClass().equals(Long.class)) {
          edit=((Long)json.get("edit")).intValue();          
        }
      }
    }
    
    @XmlElement
    public String getName() {
      return name;
    }
    
    @XmlElement
    public String getType() {
      return type;
   }
 
   @XmlElement
   public Collection<String> getValue() {
     return value;
   }
 
   @XmlElement
   public String getControl() {
     return control;  
   }
   
   @XmlElement
   public String getLabel() {
     return label;  
   }
   
   @XmlElement
   public OptionBean[] getOptions() {
     if(options==null) {
       options = new OptionBean[1];
     }
     return options.clone();       
   }
   
   @XmlElement
   public int getEdit() {
     return edit;
   }
 
   @XmlElement
   public String getCallback() {
     return callback;
   }
 
   public void setName(String name) {
     this.name = name;
   }
   
   public void setType(String type) {
     this.type = type;
   }
 
   public void setValue(Collection<String> value) {
     this.value = value;
   }
   
   public void setControl(String control) {
     this.control = control;
   }
   
   public void setLabel(String label) {
     this.label = label;
   }
   
   public void setOptions(OptionBean[] options) {
     this.options = (OptionBean[]) options.clone();
   }
   
   public void setEdit(int edit) {
     this.edit = edit;
   }
   
   public void setCallback(String callback) {
     this.callback = callback;  
   }
 
   public JSONObject deserialize() {
     JSONObject json = new JSONObject();
     try {
       json.put("name",this.name);
       json.put("type",this.type);
       if(this.value!=null) {
         JSONArray ja = new JSONArray();
         for(String s : this.value) {
           ja.add(s);
         }
         json.put("value", ja);
       }
       if(control!=null) {
         json.put("control",this.control);
       }
       json.put("label",this.label);
       json.put("edit",this.edit);
       if(this.callback!=null) {
         json.put("callback", callback);
       }
       if(options!=null) {
         JSONArray ja = new JSONArray();
         for(int i=0;i<options.length;i++) {
           ja.add(this.options[i].deserialize());          
         }
         json.put("options", ja);
       }
     } catch (Exception e) {
       log.error(ExceptionUtil.getStackTrace(e));
     }
     return json;
   }
 }