/*!
* Copyright 2010 - 2013 Pentaho Corporation.  All rights reserved.
*
* Licensed 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.pentaho.di.ui.trans.steps.mongodbinput.models;

import java.util.ArrayList;
import java.util.List;

import org.pentaho.ui.xul.XulEventSourceAdapter;
import org.pentaho.ui.xul.util.AbstractModelList;

public class MongoTag extends XulEventSourceAdapter{

  private String m_tagName = "";
  
  public MongoTag(){
    
  }
  
  public MongoTag(String name){
    m_tagName = name;
  }
  
  public String getTagName(){
    return this.m_tagName;
  }
    
  public void setTagName(String name){
    this.m_tagName = name;
  }
  
  
  public static void convertList(List<String> tags, AbstractModelList<MongoTag> docTags){
    
    if ( tags == null || tags.isEmpty()){
      return;
    }
    for (String tag: tags){
      MongoTag docTag = new MongoTag();

      if (tag.startsWith("{")) { 
        tag = tag.substring(1); 
      }
      
      if (tag.endsWith("}")) { 
        tag = tag.substring(0, tag.length() - 1);
      }

      docTag.setTagName(tag);
      docTags.add(docTag);
    }
  }

  public static void trimList(List<String> tags, AbstractModelList<MongoTag> docTags){
    
    if ( tags == null || tags.isEmpty()){
      return;
    }
    
    for (int i = tags.size() -1; i >= 0; i--){
      String tag = tags.get(i);
      for(MongoTag docTag: docTags.asList()){
        if (tag.equalsIgnoreCase(docTag.getTagName())){
          tags.remove(tag);
          break;
        }
      }
    }
  }

  public static List<String> convertFromList(AbstractModelList<MongoTag> docTags){
    List<String> tags = new ArrayList<String>();
    
    if ( docTags == null || docTags.isEmpty()){
      return tags;
    }
    for (MongoTag docTag: docTags){

      String tag = docTag.getTagName();
      
      if (!tag.startsWith("{")) { 
        tag = "{" + tag; 
      }
      
      if (!tag.endsWith("}")) { 
        tag += "}"; 
      }

      tags.add(tag);
    }
    return tags;
  }
}