/**
 * 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.social.webui.profile;

import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.social.core.identity.model.Profile;
import org.exoplatform.social.core.manager.IdentityManager;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.lifecycle.UIFormLifecycle;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;
import org.exoplatform.webui.event.Event.Phase;
import org.exoplatform.webui.form.UIFormStringInput;
import org.exoplatform.webui.form.validator.MandatoryValidator;
import org.exoplatform.webui.form.validator.StringLengthValidator;

/**
 * Component is used for short user information (name, position) managing.<br>
 */

@ComponentConfig(
  lifecycle = UIFormLifecycle.class,
  template = "classpath:groovy/social/webui/profile/UIHeaderSection.gtmpl",
  events = {
    @EventConfig(listeners = UIProfileSection.EditActionListener.class, phase = Phase.DECODE),
    @EventConfig(listeners = UIProfileSection.CancelActionListener.class, phase = Phase.DECODE),
    @EventConfig(listeners = UIHeaderSection.SaveActionListener.class)
  }
)
public class UIHeaderSection extends UIProfileSection {

  /**
   * Initializes components for header form.<br>
   */
  public UIHeaderSection() throws Exception {
    addUIFormInput(new UIFormStringInput(Profile.POSITION, Profile.POSITION, null).
                   addValidator(MandatoryValidator.class).
                   addValidator(StringLengthValidator.class, 3, 30));
  }

  /**
   * Changes form into edit mode when edit button is clicked.<br>
   */
  public static class EditActionListener extends EventListener<UIHeaderSection> {
    @Override
    public void execute(Event<UIHeaderSection> event) throws Exception {
      UIHeaderSection uiHeader = event.getSource();
      uiHeader.setEditMode(true);
      event.getRequestContext().addUIComponentToUpdateByAjax(uiHeader);
    }
  }

  /**
   * Changes form into edit mode when edit button is clicked.<br>
   */
  public static class CancelActionListener extends EventListener<UIHeaderSection> {
    @Override
    public void execute(Event<UIHeaderSection> event) throws Exception {
      UIHeaderSection uiHeader = event.getSource();
      uiHeader.setEditMode(false);
      event.getRequestContext().addUIComponentToUpdateByAjax(uiHeader);
    }
  }

  /**
   * Stores profile information into database when form is submited.<br>
   */
  public static class SaveActionListener extends UIProfileSection.SaveActionListener {

    @Override
    public void execute(Event<UIProfileSection> event) throws Exception {
      super.execute(event);
      UIProfileSection sect = event.getSource();
      UIHeaderSection uiHeaderSect = (UIHeaderSection) sect;
      UIFormStringInput uiPosition = uiHeaderSect.getChildById(Profile.POSITION);
      String position = uiPosition.getValue();
      ExoContainer container = ExoContainerContext.getCurrentContainer();
      IdentityManager im = (IdentityManager) container.getComponentInstanceOfType(IdentityManager.class);
      Profile p = uiHeaderSect.getProfile(true);
      p.setProperty(Profile.POSITION, sect.escapeHtml(position));
      im.updateHeaderSection(p);
    }
  }

  /**
   * Gets position information from profile and set value into uicomponent.<br>
   *
   * @throws Exception
   */
  public void setValue() throws Exception {
    UIFormStringInput uiPosition = getChildById(Profile.POSITION);
    Profile profile = getProfile(false);
    String position = (String) profile.getProperty(Profile.POSITION);
    position = (position == null ? "" : position);
    uiPosition.setValue(position);
  }
}
