/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.chemistry.opencmis.server.impl.browser;
  
  import org.apache.chemistry.opencmis.commons.data.RepositoryInfo;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionContainer;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionList;
  import org.apache.chemistry.opencmis.commons.exceptions.CmisInvalidArgumentException;
  import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_DEPTH;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_MAX_ITEMS;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_PROPERTY_DEFINITIONS;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_SKIP_COUNT;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_TRANSACTION;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_TYPE_ID;
  import org.apache.chemistry.opencmis.commons.impl.JSONConverter;
  import org.apache.chemistry.opencmis.commons.impl.json.JSONArray;
  import org.apache.chemistry.opencmis.commons.impl.json.JSONObject;
  import org.apache.chemistry.opencmis.commons.impl.json.JSONValue;
  import org.apache.chemistry.opencmis.commons.server.CallContext;
  import org.apache.chemistry.opencmis.commons.server.CmisService;
  import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getBigIntegerParameter;
  import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getBooleanParameter;
  import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getStringParameter;
  
  import java.math.BigInteger;
  
  import java.util.List;
  
  import javax.servlet.http.Cookie;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  
  /**
   * Repository Service operations.
   */
  public final class RepositoryService
  {
      private RepositoryService(  )
      {
      }
  
      /**
       * getRepositories.
       */
      public static void getRepositories( CallContext context, CmisService service, HttpServletRequest request,
          HttpServletResponse response ) throws Exception
      {
          // execute
          List<RepositoryInfo> infoDataList = service.getRepositoryInfos( null );
  
          JSONObject result = new JSONObject(  );
  
          for ( RepositoryInfo ri : infoDataList )
          {
              String repositoryUrl = BrowserBindingUtils.compileRepositoryUrl( request, ri.getId(  ) ).toString(  );
              String rootUrl = BrowserBindingUtils.compileRootUrl( request, ri.getId(  ) ).toString(  );
  
              result.put( ri.getId(  ), JSONConverter.convert( ri, repositoryUrl, rootUrl ) );
          }
  
          response.setStatus( HttpServletResponse.SC_OK );
          BrowserBindingUtils.writeJSON( result, request, response );
      }
  
      /**
       * getRepositoryInfo.
       */
      public static void getRepositoryInfo( CallContext context, CmisService service, String repositoryId,
          HttpServletRequest request, HttpServletResponse response )
          throws Exception
      {
          // execute
          RepositoryInfo ri = service.getRepositoryInfo( repositoryId, null );
  
          String repositoryUrl = BrowserBindingUtils.compileRepositoryUrl( request, ri.getId(  ) ).toString(  );
          String rootUrl = BrowserBindingUtils.compileRootUrl( request, ri.getId(  ) ).toString(  );
  
          JSONObject result = new JSONObject(  );
          result.put( ri.getId(  ), JSONConverter.convert( ri, repositoryUrl, rootUrl ) );
  
         response.setStatus( HttpServletResponse.SC_OK );
         BrowserBindingUtils.writeJSON( result, request, response );
     }
 
     /**
      * getLastResult.
      */
     public static void getLastResult( CallContext context, CmisService service, String repositoryId,
         HttpServletRequest request, HttpServletResponse response )
         throws Exception
     {
         String transaction = getStringParameter( request, PARAM_TRANSACTION );
         String cookieName = BrowserBindingUtils.getCookieName( transaction );
         String cookieValue = null;
 
         if ( request.getCookies(  ) != null )
         {
             for ( Cookie cookie : request.getCookies(  ) )
             {
                 if ( cookieName.equals( cookie.getName(  ) ) )
                 {
                     cookieValue = cookie.getValue(  );
 
                     break;
                 }
             }
         }
 
         try
         {
             if ( cookieValue == null )
             {
                 cookieValue = BrowserBindingUtils.createCookieValue( 0, null,
                         CmisInvalidArgumentException.EXCEPTION_NAME, "Unknown transaction!" );
             }
             else
             {
                 JSONValue.parse( cookieValue );
             }
         }
         catch ( Exception pe )
         {
             cookieValue = BrowserBindingUtils.createCookieValue( 0, null, CmisRuntimeException.EXCEPTION_NAME,
                     "Cookie pasring error!" );
         }
 
         BrowserBindingUtils.deleteCookie( request, response, repositoryId, transaction );
 
         response.setStatus( HttpServletResponse.SC_OK );
         BrowserBindingUtils.writeJSON( (JSONObject) JSONValue.parse( cookieValue ), request, response );
     }
 
     /**
      * getTypeChildren.
      */
     public static void getTypeChildren( CallContext context, CmisService service, String repositoryId,
         HttpServletRequest request, HttpServletResponse response )
         throws Exception
     {
         // get parameters
         String typeId = getStringParameter( request, PARAM_TYPE_ID );
         boolean includePropertyDefinitions = getBooleanParameter( request, PARAM_PROPERTY_DEFINITIONS, false );
         BigInteger maxItems = getBigIntegerParameter( request, PARAM_MAX_ITEMS );
         BigInteger skipCount = getBigIntegerParameter( request, PARAM_SKIP_COUNT );
 
         // execute
         TypeDefinitionList typeList = service.getTypeChildren( repositoryId, typeId, includePropertyDefinitions,
                 maxItems, skipCount, null );
         JSONObject jsonTypeList = JSONConverter.convert( typeList );
 
         response.setStatus( HttpServletResponse.SC_OK );
         BrowserBindingUtils.writeJSON( jsonTypeList, request, response );
     }
 
     public static void getTypeDescendants( CallContext context, CmisService service, String repositoryId,
         HttpServletRequest request, HttpServletResponse response )
         throws Exception
     {
         // get parameters
         String typeId = getStringParameter( request, PARAM_TYPE_ID );
         BigInteger depth = getBigIntegerParameter( request, PARAM_DEPTH );
         boolean includePropertyDefinitions = getBooleanParameter( request, PARAM_PROPERTY_DEFINITIONS, false );
 
         // execute
         List<TypeDefinitionContainer> typeTree = service.getTypeDescendants( repositoryId, typeId, depth,
                 includePropertyDefinitions, null );
 
         if ( typeTree == null )
         {
             throw new CmisRuntimeException( "Type tree is null!" );
         }
 
         JSONArray jsonTypeTree = new JSONArray(  );
 
         for ( TypeDefinitionContainer container : typeTree )
         {
             jsonTypeTree.add( JSONConverter.convert( container ) );
         }
 
         response.setStatus( HttpServletResponse.SC_OK );
         BrowserBindingUtils.writeJSON( jsonTypeTree, request, response );
     }
 
     public static void getTypeDefinition( CallContext context, CmisService service, String repositoryId,
         HttpServletRequest request, HttpServletResponse response )
         throws Exception
     {
         // get parameters
         String typeId = getStringParameter( request, PARAM_TYPE_ID );
 
         // execute
         TypeDefinition type = service.getTypeDefinition( repositoryId, typeId, null );
         JSONObject jsonType = JSONConverter.convert( type );
 
         response.setStatus( HttpServletResponse.SC_OK );
         BrowserBindingUtils.writeJSON( jsonType, request, response );
     }
 }