/*
    * Copyright (C) 2003-2010 eXo Platform SAS.
    *
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Affero General Public License
    * as published by the Free Software Foundation; either version 3
    * of the License, or (at your option) any later version.
    *
    * This program 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 this program; if not, see<http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.wiki.chromattic.ext.ntdef;
  
  import java.util.Date;
  import java.util.Map;
  
  import javax.jcr.Node;
  import javax.jcr.PathNotFoundException;
  import javax.jcr.RepositoryException;
  import javax.jcr.Value;
  
  import org.chromattic.api.annotations.OneToMany;
  import org.chromattic.api.annotations.Path;
  import org.chromattic.api.annotations.PrimaryType;
  import org.chromattic.api.annotations.Properties;
  import org.chromattic.api.annotations.Property;
  import org.exoplatform.wiki.mow.core.api.wiki.WikiNodeType;
  import org.exoplatform.wiki.mow.core.api.MOWService;
  
  @PrimaryType(name = "nt:frozenNode")
  public abstract class NTFrozenNode {
  
    private MOWService mowService;
  
    @Property(name = "jcr:frozenUuid")
    public abstract String getFrozenUuid();
  
    public abstract void setFrozenUuid(String frozenUuid);
  
    @OneToMany
    public abstract Map<String, Object> getChildren();
  
    @Properties
    public abstract Map<String, Object> getProperties();
  
    // TODO: remove these API when Chromattic support versioning
    public String getAuthor() throws RepositoryException {
      Value value = getPropertyValue(WikiNodeType.Definition.AUTHOR);
      if (value != null) {
        return value.getString();
      } else {
        value = getPropertyValue("exo:lastModifier");
        if (value != null) {
          return value.getString();
        } else {
          return null;
        }
      }
    }
  
    public Date getUpdatedDate() throws RepositoryException {
      Value value = getPropertyValue(WikiNodeType.Definition.UPDATED_DATE);
      if (value != null) {
        return value.getDate().getTime();
      } else {
        value = getPropertyValue(WikiNodeType.Definition.UPDATED);
        if (value != null) {
          return value.getDate().getTime();
        } else {
          return null;
        }
      }
    }
    
    public String getComment() throws RepositoryException {
      Value value = getPropertyValue(WikiNodeType.Definition.COMMENT);
      if (value != null) {
        return value.getString();
      } else {
        return null;
      }
    }
    
    public String getContentString() throws RepositoryException {
      StringBuilder st = new StringBuilder(WikiNodeType.Definition.ATTACHMENT_CONTENT);
      st.append("/").append(WikiNodeType.Definition.DATA);
      Value value = getPropertyValue(st.toString());
      if (value != null) {
        return value.getString();
      } else {
        return null;
      }
    }
  
   public void setMOWService(MOWService mowService) {
     this.mowService = mowService;
   }
 
   @Path
   protected abstract String getPath();
 
   private Value getPropertyValue(String propertyName) throws RepositoryException {
     Node pageNode = getJCRNode();
     if (pageNode.hasProperty(propertyName)) {
       javax.jcr.Property property = pageNode.getProperty(propertyName);
       Value value = property.getValue();
       return value;
     } else {
       return null;
     }
   }
 
   public Node getJCRNode() throws RepositoryException {
     return (Node) mowService.getSession().getJCRSession().getItem(getPath());
   }
 
 }