/***************************************************************************
 * Copyright (C) 2003-2007 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.forum.webui;

import java.util.Calendar;
import java.util.List;

import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.forum.ForumUtils;
import org.exoplatform.forum.TimeConvertUtils;
import org.exoplatform.forum.service.ForumService;
import org.exoplatform.forum.service.ForumStatistic;
import org.exoplatform.forum.service.UserProfile;
import org.exoplatform.ks.common.UserHelper;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIContainer;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;

/**
 * Created by The eXo Platform SARL
 * Author : Hung Nguyen
 *          hung.nguyen@exoplatform.com
 * Aus 01, 2007 2:48:18 PM 
 */

@ComponentConfig(
    template = "app:/templates/forum/webui/UICategoryInfo.gtmpl",
    events = {
        @EventConfig(listeners = UICategoryInfo.CreatedLinkActionListener.class )
    }
)
@SuppressWarnings("unused")
public class UICategoryInfo extends UIContainer {
  private ForumService forumService;

  private UserProfile  userProfile;

  private String       linkUserInfo = ForumUtils.EMPTY_STR;

  // private long mostUserOnline_ = 0;

  public UICategoryInfo() throws Exception {
    forumService = (ForumService) ExoContainerContext.getCurrentContainer().getComponentInstanceOfType(ForumService.class);
  }

  private List<String> getUserOnline() throws Exception {
    return forumService.getOnlineUsers();
  }

  private String getScreenName(String userName) throws Exception {
    return forumService.getScreenName(userName);
  }

  private UserProfile getUserProfile() throws Exception {
    try {
      UIForumPortlet forumPortlet = getAncestorOfType(UIForumPortlet.class);
      userProfile = forumPortlet.getUserProfile();
      linkUserInfo = forumPortlet.getPortletLink();
    } catch (Exception e) {
      String userId = UserHelper.getCurrentUser();
      userProfile = forumService.getDefaultUserProfile(userId, ForumUtils.EMPTY_STR);
    }
    return userProfile;
  }

  private String getActionViewInfoUser(String linkType, String userName) {
    String link = linkUserInfo.replace("ViewPublicUserInfo", linkType).replace("userName", userName);
    return link;
  }

  private String getMostUsersOnline(String s, String at) throws Exception {
    if (ForumUtils.isEmpty(s))
      return ForumUtils.EMPTY_STR;
    try {
      String[] strs = s.split(ForumUtils.COMMA);
      long l = Long.parseLong(strs[1].replace("at", ForumUtils.EMPTY_STR).trim());
      Calendar calendar = TimeConvertUtils.getInstanceTempCalendar();
      double timeZone = userProfile.getTimeZone();
      if (userProfile.getUserId().equals(UserProfile.USER_GUEST))
        timeZone = 0;
      long zone = (long) (timeZone * 3600000);
      calendar.setTimeInMillis(l - zone);
      StringBuilder builder = new StringBuilder();

      if (ForumUtils.isEmpty(at))
        at = "at";
      builder.append(strs[0]).append(", ").append(at).append(" ");
      builder.append(TimeConvertUtils.getFormatDate((userProfile.getLongDateFormat() + ", " + userProfile.getTimeFormat()), calendar.getTime()));
      if (userProfile.getUserId().equals(UserProfile.USER_GUEST)) {
        if (timeZone >= 0)
          builder.append(" GMT+").append(String.valueOf(timeZone).replace(".0", ForumUtils.EMPTY_STR));
        else
          builder.append(" GMT").append(String.valueOf(timeZone).replace(".0", ForumUtils.EMPTY_STR));
      }
      s = builder.toString();
    } catch (Exception e) {
      s = s.replace("at", at);
    }
    return s;
  }

  public ForumStatistic getForumStatistic() throws Exception {
    return forumService.getForumStatistic();
  }

  static public class CreatedLinkActionListener extends EventListener<UICategoryInfo> {
    public void execute(Event<UICategoryInfo> event) throws Exception {
    }
  }
}