/*
 * 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;
  };  

}
