/*
    * Copyright 2010 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.service.data.impl;
  
  import java.util.Date;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Propagation;
  import org.springframework.transaction.annotation.Transactional;
  
  import com.hack23.cia.model.internal.application.system.impl.LanguageContentData;
  import com.hack23.cia.model.internal.application.system.impl.LanguageContentType;
  import com.hack23.cia.service.data.api.LanguageContentDataDAO;
  import com.hack23.cia.service.data.api.LanguageContentService;
  
  /**
   * The Class LanguageContentServiceImpl.
   */
  @Service
  @Transactional(propagation=Propagation.REQUIRES_NEW)
  final class LanguageContentServiceImpl implements LanguageContentService {
  
  
  	/** The language content data dao. */
  	@Autowired
  	private LanguageContentDataDAO languageContentDataDAO;
  
  	/**
  	 * Instantiates a new language content service impl.
  	 */
  	public LanguageContentServiceImpl() {
  		super();
  	}
  
  	@Override
  	public String getLanguageResource(String key, String keyGroup,String language, String defaultEnglishValue) {
  		final LanguageContentData findTranslation = languageContentDataDAO.findTranslation(key, language, language);
  
  		if (findTranslation != null) {
  			return findTranslation.getLanguageValue();
  		} else {
  			final LanguageContentData newDefaultValue = new LanguageContentData().withCreatedDate(new Date()).withFromLanguage("en").withToLanguage("en").withLanguageContentType(LanguageContentType.HUMAN_TRANSLATION).withLanguageValue(defaultEnglishValue).withRefKey(key);
  			languageContentDataDAO.persist(newDefaultValue);
  			return newDefaultValue.getLanguageValue();
  		}
  	}
  
  }