/*
 * Copyright (C) 2003-2015 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.exoplatform.task.integration.notification;

import org.exoplatform.commons.api.notification.NotificationContext;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.task.domain.Task;

import java.util.HashSet;
import java.util.Set;

public class TaskCoworkerPlugin extends AbstractNotificationPlugin {
  
  public TaskCoworkerPlugin(InitParams initParams) {
    super(initParams);
  }

  public static final String ID = "TaskCoworkerPlugin";
  
  @Override
  public String getId() {
    return ID;
  }

  @Override
  public boolean isValid(NotificationContext ctx) {
    Set<String> coworkers = getReceiver(null, ctx);
    return coworkers != null && coworkers.size() > 0;
  }

  @SuppressWarnings("unchecked")
  @Override
  protected Set<String> getReceiver(Task task, NotificationContext ctx) {
    Set<String> receivers = null;
    if(ctx != null) {
      receivers = (Set<String>) ctx.value(NotificationUtils.COWORKER);
    }

    if(receivers == null) {
      receivers = new HashSet<>();
    } else if(ctx != null) {
      receivers.remove(ctx.value(NotificationUtils.CREATOR));
    }

    return receivers;
  }
}
