/*
    * 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 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.social.service.rest.api.models;
  
  import java.util.HashMap;
  
  import org.exoplatform.social.core.activity.model.ActivityStream;
  import org.exoplatform.social.core.identity.model.Identity;
  import org.exoplatform.social.core.identity.provider.OrganizationIdentityProvider;
  import org.exoplatform.social.core.manager.IdentityManager;
  import org.exoplatform.social.core.space.model.Space;
  import org.exoplatform.social.core.space.spi.SpaceService;
  import org.exoplatform.social.service.rest.Util;
  
  
  /**
   * The Activity Stream model for Social Rest APIs.
   *
   * @author <a href="http://hoatle.net">hoatle (hoatlevan at gmail dot com)</a>
   * @since 1.2.3
   */
  public class ActivityStreamRestOut extends HashMap<String, Object> {
  
    /**
     * The enum fields as json keys
     */
    public static enum Field {
      TYPE("type"),
      PRETTY_ID("prettyId"),
      FULL_NAME("fullName"),
      FAVICON_URL("faviconUrl"),
      TITLE("title"),
      PERMA_LINK("permaLink");
  
      /**
       * field name
       */
      private final String fieldName;
  
      /**
       * Private constructor.
       *
       * @param str the field name
       */
      private Field(final String str) {
        fieldName = str;
      }
  
      /**
       * Gets the string field name.
       *
       * @return the field name
       */
      @Override
      public String toString() {
        return fieldName;
      }
    }
  
    /**
     * Default constructor for initializing default values.
     */
    public ActivityStreamRestOut() {
      initialize();
    }
  
    /**
     * Constructor to construct object from {@link ActivityStream} instance.
     *
     * @param activityStream the activity stream instance.
     */
    public ActivityStreamRestOut(final ActivityStream activityStream, String portalContainerName) {
      initialize();
      this.setType(activityStream.getType().toString());
      this.setPrettyId(activityStream.getPrettyId());
      this.setFaviconUrl(activityStream.getFaviconUrl());
      this.setTitle(activityStream.getTitle());
      this.setPermaLink(activityStream.getPermaLink()); //TODO make sure absolute link
      
      if(activityStream.getType() != null){
        ActivityStream.Type activityStreamType =  activityStream.getType();
        if(activityStreamType.equals(ActivityStream.Type.SPACE)){
          SpaceService spaceService = Util.getSpaceService(portalContainerName);
          Space space = spaceService.getSpaceByPrettyName(activityStream.getPrettyId());
          if(space != null && space.getDisplayName() != null){
           this.setFullName(space.getDisplayName());
         }
       } else if(activityStreamType.equals(ActivityStream.Type.USER)) {
         IdentityManager identityManager = Util.getIdentityManager(portalContainerName);
         Identity identity = identityManager.getOrCreateIdentity(
                                 OrganizationIdentityProvider.NAME, activityStream.getPrettyId(), true);  
         if(identity != null && identity.getProfile() != null && identity.getProfile().getFullName() != null){
           this.setFullName(identity.getProfile().getFullName());
         }
       }
     }
   }
 
   /**
    * Gets the activity stream type.
    *
    * @return the activity stream type.
    */
   public String getType() {
     return (String) get(Field.TYPE.toString());
   }
 
   /**
    * Sets the activity stream type.
    *
    * @param type the type
    */
   public void setType(String type) {
     if (type == null) {
       put(Field.TYPE.toString(), "");
     } else {
       put(Field.TYPE.toString(), type);
     }
   }
 
   /**
    * Gets the pretty id.
    *
    * @return the pretty id
    */
   public String getPrettyId() {
     return (String) get(Field.PRETTY_ID.toString());
   }
 
   /**
    * Sets the pretty id.
    *
    * @param prettyId the pretty id
    */
   public void setPrettyId(final String prettyId) {
     if (prettyId == null) {
       put(Field.PRETTY_ID.toString(), "");
     } else {
       put(Field.PRETTY_ID.toString(), prettyId);
     }
   }
 
   
   /**
    * Gets the full name.
    *
    * @return the full name.
    */
   public String getFullName() {
     return (String) get(Field.FULL_NAME.toString());
   }
 
   /**
    * Sets the full name.
    *
    * @param fullName the full name.
    */
   public void setFullName(final String fullName) {
     if (fullName == null) {
       put(Field.FULL_NAME.toString(), "");
     } else {
       put(Field.FULL_NAME.toString(), fullName);
     }
   }
   
   /**
    * Gets the activity stream title.
    *
    * @return the activity stream title
    */
   public String getTitle() {
     return (String) get(Field.TITLE.toString());
   }
 
   /**
    * Sets the activity stream title.
    *
    * @param title the activity stream title
    */
   public void setTitle(final String title) {
     if (title == null) {
       put(Field.TITLE.toString(), "");
     } else {
       put(Field.TITLE.toString(), title);
     }
   }
 
   /**
    * Gets the perma link.
    *
    * @return the perma link
    */
   public String getPermaLink() {
     return (String) get(Field.PERMA_LINK.toString());
   }
 
   /**
    * Sets the perma link of activity stream.
    *
    * @param permalink the perma link
    */
   public void setPermaLink(final String permalink) {
     if (permalink == null) {
       put(Field.PERMA_LINK.toString(), "");
     } else {
       put(Field.PERMA_LINK.toString(), Util.getBaseUrl() + permalink);
     }
   }
 
   /**
    * Gets the favicon url of activity stream.
    *
    * @return the favicon url
    */
   public String getFaviconUrl() {
     return (String) get(Field.FAVICON_URL.toString());
   }
 
   /**
    * Sets the favicon url.
    *
    * @param faviconUrl the favicon url
    */
   public void setFaviconUrl(String faviconUrl) {
     if (faviconUrl == null) {
       put(Field.FAVICON_URL.toString(), "");
     } else {
       put(Field.FAVICON_URL.toString(), Util.getBaseUrl() + faviconUrl);
     }
   }
 
 
   /**
    * Inits default values
    */
   private void initialize() {
     setType("");
     setPrettyId("");
     setFullName(null);
     setFaviconUrl(null);
     setTitle("");
     setPermaLink(null);
   }
 
 }