/*
    * Copyright (C) 2003-2011 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.mow.core.api.wiki;
  
  import java.util.Iterator;
  import java.util.Map;
  import java.util.Map.Entry;
  
  import org.chromattic.api.annotations.Create;
  import org.chromattic.api.annotations.OneToMany;
  import org.chromattic.api.annotations.Path;
  import org.chromattic.api.annotations.PrimaryType;
  import org.exoplatform.services.log.ExoLogger;
  import org.exoplatform.services.log.Log;
  import org.exoplatform.wiki.WikiException;
  
  @PrimaryType(name = WikiNodeType.WIKI_TEMPLATE_CONTAINER)
  public abstract class TemplateContainer {
  
    @Create
    public abstract TemplateImpl createTemplatePage();
    
    @Path
    public abstract String getPath();
  
    @OneToMany
    public abstract Map<String, TemplateImpl> getTemplates();
    public abstract void setTemplates(Map<String,TemplateImpl> templates);
    
    public TemplateImpl addPage(String templateName, TemplateImpl template) {
      if (templateName == null) {
        throw new IllegalArgumentException("Template name cannot be null");
      }
      if (template == null) {
        throw new IllegalArgumentException("Template cannot be null");
      }
      Map<String, TemplateImpl> children = getTemplates();
      if (children.containsKey(templateName)) {
        return template;
      }
      children.put(templateName, template);
  
      return template;
    }
    
    public TemplateImpl getTemplate(String name) {
      Iterator<Entry<String, TemplateImpl>> iter = getTemplates().entrySet().iterator();
      while (iter.hasNext()) {
        Entry<String, TemplateImpl> entry = iter.next();
        TemplateImpl template = entry.getValue();
        if (template.getName().equals(name)) {
          return template;
        }
      }
      return null;
    };  
  
  }