/*
    * This file is part of ***  M y C o R e  ***
    * See http://www.mycore.de/ for details.
    *
    * MyCoRe is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
   * MyCoRe is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.mycore.mods.classification;
  
  import org.mycore.datamodel.classifications2.MCRCategoryDAOFactory;
  import org.mycore.datamodel.classifications2.MCRCategoryID;
  import org.w3c.dom.Element;
  
  /**
   * Authority information that is a static mapping for mods:typeOfResource. This element is always mapped to a
   * classification with the ID typeOfResource.
   * 
   * @author Frank L\u00FCtzenkirchen
   */
  class MCRTypeOfResource extends MCRAuthorityInfo {
  
      /**
       * The name of the MODS element typeOfResource, which is same as the classification ID used to map the codes to
       * categories.
       */
      public static final String TYPE_OF_RESOURCE = "typeOfResource";
  
      /**
       * The mods:typeOfResource code, which is same as the category ID
       */
      private String code;
  
      MCRTypeOfResource(String code) {
          this.code = code;
      }
  
      /**
       * If the given element is mods:typeOfResource, returns the MCRTypeOfResource mapping.
       */
      public static MCRTypeOfResource getAuthorityInfo(org.jdom2.Element modsElement) {
          if (modsElement == null) {
              return null;
          }
          String name = modsElement.getName();
          String code = modsElement.getTextTrim();
          return getTypeOfResource(name, code);
      }
  
      /**
       * If the given element is mods:typeOfResource, returns the MCRTypeOfResource mapping.
       */
      public static MCRTypeOfResource getAuthorityInfo(Element modsElement) {
          if (modsElement == null) {
              return null;
          }
          String name = modsElement.getLocalName();
          String code = MCRMODSClassificationSupport.getText(modsElement).trim();
          return getTypeOfResource(name, code);
      }
  
      /**
       * If the given element name is typeOfResource, returns the MCRTypeOfResource mapping.
       */
      private static MCRTypeOfResource getTypeOfResource(String name, String code) {
          return (name.equals(TYPE_OF_RESOURCE) && isClassificationPresent()) ? new MCRTypeOfResource(code) : null;
      }
  
      @Override
      public String toString() {
          return TYPE_OF_RESOURCE + "#" + code;
      }
  
      @Override
      protected MCRCategoryID lookupCategoryID() {
          return new MCRCategoryID(TYPE_OF_RESOURCE, code.replace(" ", "_")); // Category IDs can not contain spaces
      }
  
      @Override
      public void setInElement(org.jdom2.Element element) {
          element.setText(code);
  
      }
  
      @Override
      public void setInElement(Element element) {
          element.setTextContent(code);
      }
  
     public static boolean isClassificationPresent() {
         return MCRCategoryDAOFactory.getInstance().exist(MCRCategoryID.rootID(TYPE_OF_RESOURCE));
     }
 }