/*
    * 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.client.bindings.spi.browser;
  
  import java.io.IOException;
  import java.io.OutputStream;
  import java.math.BigInteger;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.chemistry.opencmis.client.bindings.spi.BindingSession;
  import org.apache.chemistry.opencmis.client.bindings.spi.http.Output;
  import org.apache.chemistry.opencmis.client.bindings.spi.http.Response;
  import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
  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.CmisObjectNotFoundException;
  import org.apache.chemistry.opencmis.commons.impl.Constants;
  import org.apache.chemistry.opencmis.commons.impl.JSONConverter;
  import org.apache.chemistry.opencmis.commons.impl.UrlBuilder;
  import org.apache.chemistry.opencmis.commons.spi.RepositoryService;
  
  /**
   * Repository Service Browser Binding client.
   */
  public class RepositoryServiceImpl extends AbstractBrowserBindingService implements RepositoryService {
  
      /**
       * Constructor.
       */
      public RepositoryServiceImpl(BindingSession session) {
          setSession(session);
      }
  
      @Override
      public List<RepositoryInfo> getRepositoryInfos(ExtensionsData extension) {
          return getRepositoriesInternal(null);
      }
  
      @Override
      public RepositoryInfo getRepositoryInfo(String repositoryId, ExtensionsData extension) {
          List<RepositoryInfo> repositoryInfos = getRepositoriesInternal(repositoryId);
  
          if (repositoryInfos.isEmpty()) {
              throw new CmisObjectNotFoundException("Repository '" + repositoryId + "' not found!");
          }
  
          // find the repository
          for (RepositoryInfo info : repositoryInfos) {
              if (info.getId() == null) {
                  continue;
              }
  
              if (info.getId().equals(repositoryId)) {
                  return info;
              }
          }
  
          throw new CmisObjectNotFoundException("Repository '" + repositoryId + "' not found!");
      }
  
      @Override
      public TypeDefinition getTypeDefinition(String repositoryId, String typeId, ExtensionsData extension) {
          return getTypeDefinitionInternal(repositoryId, typeId);
      }
  
      @Override
      public TypeDefinitionList getTypeChildren(String repositoryId, String typeId, Boolean includePropertyDefinitions,
              BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
          // build URL
          UrlBuilder url = getRepositoryUrl(repositoryId, Constants.SELECTOR_TYPE_CHILDREN);
          url.addParameter(Constants.PARAM_TYPE_ID, typeId);
          url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions);
          url.addParameter(Constants.PARAM_MAX_ITEMS, maxItems);
          url.addParameter(Constants.PARAM_SKIP_COUNT, skipCount);
          url.addParameter(Constants.PARAM_DATETIME_FORMAT, getDateTimeFormatParameter());
  
          // read and parse
          Response resp = read(url);
          Map<String, Object> json = parseObject(resp.getStream(), resp.getCharset());
  
         return JSONConverter.convertTypeChildren(json);
     }
 
     @Override
     public List<TypeDefinitionContainer> getTypeDescendants(String repositoryId, String typeId, BigInteger depth,
             Boolean includePropertyDefinitions, ExtensionsData extension) {
         // build URL
         UrlBuilder url = getRepositoryUrl(repositoryId, Constants.SELECTOR_TYPE_DESCENDANTS);
         url.addParameter(Constants.PARAM_TYPE_ID, typeId);
         url.addParameter(Constants.PARAM_DEPTH, depth);
         url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions);
         url.addParameter(Constants.PARAM_DATETIME_FORMAT, getDateTimeFormatParameter());
 
         // read and parse
         Response resp = read(url);
         List<Object> json = parseArray(resp.getStream(), resp.getCharset());
 
         return JSONConverter.convertTypeDescendants(json);
     }
 
     @Override
     public TypeDefinition createType(String repositoryId, TypeDefinition type, ExtensionsData extension) {
         // build URL
         UrlBuilder url = getRepositoryUrl(repositoryId);
 
         // prepare form data
         final FormDataWriter formData = new FormDataWriter(Constants.CMISACTION_CREATE_TYPE);
         if (type != null) {
             formData.addParameter(Constants.CONTROL_TYPE, JSONConverter.convert(type, getDateTimeFormat())
                     .toJSONString());
         }
 
         // send
         Response resp = post(url, formData.getContentType(), new Output() {
             @Override
             public void write(OutputStream out) throws IOException {
                 formData.write(out);
             }
         });
 
         Map<String, Object> json = parseObject(resp.getStream(), resp.getCharset());
 
         return JSONConverter.convertTypeDefinition(json);
     }
 
     @Override
     public TypeDefinition updateType(String repositoryId, TypeDefinition type, ExtensionsData extension) {
         // build URL
         UrlBuilder url = getRepositoryUrl(repositoryId);
 
         // prepare form data
         final FormDataWriter formData = new FormDataWriter(Constants.CMISACTION_UPDATE_TYPE);
         if (type != null) {
             formData.addParameter(Constants.CONTROL_TYPE, JSONConverter.convert(type, getDateTimeFormat())
                     .toJSONString());
         }
 
         // send
         Response resp = post(url, formData.getContentType(), new Output() {
             @Override
             public void write(OutputStream out) throws IOException {
                 formData.write(out);
             }
         });
 
         Map<String, Object> json = parseObject(resp.getStream(), resp.getCharset());
 
         return JSONConverter.convertTypeDefinition(json);
     }
 
     @Override
     public void deleteType(String repositoryId, String typeId, ExtensionsData extension) {
         // build URL
         UrlBuilder url = getRepositoryUrl(repositoryId);
 
         // prepare form data
         final FormDataWriter formData = new FormDataWriter(Constants.CMISACTION_DELETE_TYPE);
         formData.addParameter(Constants.CONTROL_TYPE_ID, typeId);
 
         // send
         postAndConsume(url, formData.getContentType(), new Output() {
             @Override
             public void write(OutputStream out) throws IOException {
                 formData.write(out);
             }
         });
     }
 }