/*
    * 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.inmemory;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.math.BigInteger;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.Map.Entry;
  
  import junit.framework.Assert;
  import org.apache.chemistry.opencmis.commons.PropertyIds;
  import org.apache.chemistry.opencmis.commons.data.Acl;
  import org.apache.chemistry.opencmis.commons.data.ContentStream;
  import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
  import org.apache.chemistry.opencmis.commons.data.Properties;
  import org.apache.chemistry.opencmis.commons.data.PropertyData;
  import org.apache.chemistry.opencmis.commons.data.PropertyString;
  import org.apache.chemistry.opencmis.commons.enums.VersioningState;
  import org.apache.chemistry.opencmis.commons.impl.dataobjects.ContentStreamImpl;
  import org.apache.chemistry.opencmis.commons.spi.BindingsObjectFactory;
  import org.apache.chemistry.opencmis.commons.spi.Holder;
  import org.apache.chemistry.opencmis.commons.spi.ObjectService;
  
  public class ObjectCreator {
  
      private final BindingsObjectFactory fFactory;
      private final ObjectService fObjSvc;
      private final String fRepositoryId;
  
      public ObjectCreator(BindingsObjectFactory factory, ObjectService objSvc, String repositoryId) {
          fObjSvc = objSvc;
          fFactory = factory;
          fRepositoryId = repositoryId;
      }
  
      public String createDocument(String name, String typeId, String folderId, VersioningState versioningState,
              Map<String, String> propsToSet) {
          ContentStream contentStream = null;
          List<String> policies = null;
          Acl addACEs = null;
          Acl removeACEs = null;
          ExtensionsData extension = null;
  
          Properties props = createStringDocumentProperties(name, typeId, propsToSet);
  
          contentStream = createContent();
  
          String id = null;
          id = fObjSvc.createDocument(fRepositoryId, props, folderId, contentStream, versioningState, policies, addACEs,
                  removeACEs, extension);
          if (null == id) {
              Assert.fail("createDocument failed.");
          }
  
          return id;
      }
  
      public Properties createStringDocumentProperties(String name, String typeId, Map<String, String> propsToSet) {
          List<PropertyData<?>> properties = new ArrayList<PropertyData<?>>();
          properties.add(fFactory.createPropertyIdData(PropertyIds.NAME, name));
          properties.add(fFactory.createPropertyIdData(PropertyIds.OBJECT_TYPE_ID, typeId));
          if (null != propsToSet) {
              for (Entry<String, String> propToSet : propsToSet.entrySet()) {
                  properties.add(fFactory.createPropertyStringData(propToSet.getKey(), propToSet.getValue()));
              }
          }
          Properties props = fFactory.createPropertiesData(properties);
          return props;
      }
  
      public ContentStream createContent() {
          ContentStreamImpl content = new ContentStreamImpl();
          content.setFileName("data.txt");
          content.setMimeType("text/plain");
          int len = 32 * 1024;
          byte[] b = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x0c, 0x0a,
                  0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x0c, 0x0a }; // 32
          // Bytes
         ByteArrayOutputStream ba = new ByteArrayOutputStream(len);
         try {
             for (int i = 0; i < 1024; i++) {
                 ba.write(b);
             }
         } catch (IOException e) {
             throw new RuntimeException("Failed to fill content stream with data", e);
         }
         content.setStream(new ByteArrayInputStream(ba.toByteArray()));
         content.setLength(BigInteger.valueOf(len));
         return content;
     }
 
     public ContentStream createAlternateContent() {
         ContentStreamImpl content = new ContentStreamImpl();
         content.setFileName("data.txt");
         content.setMimeType("text/plain");
         int len = 32 * 1024;
         byte[] b = { 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61,
                 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61 }; // 32
         // Bytes
         ByteArrayOutputStream ba = new ByteArrayOutputStream(len);
         try {
             for (int i = 0; i < 1024; i++) {
                 ba.write(b);
             }
         } catch (IOException e) {
             throw new RuntimeException("Failed to fill content stream with data", e);
         }
         content.setStream(new ByteArrayInputStream(ba.toByteArray()));
         content.setLength(BigInteger.valueOf(len));
         return content;
     }
 
     /**
      * Compare two streams and return true if they are equal.
      */
     public boolean verifyContent(ContentStream csd1, ContentStream csd2) {
         if (!csd1.getFileName().equals(csd2.getFileName())) {
             return false;
         }
         if (!csd1.getBigLength().equals(csd2.getBigLength())) {
             return false;
         }
         if (!csd1.getMimeType().equals(csd2.getMimeType())) {
             return false;
         }
         long len = csd1.getBigLength().longValue();
         InputStream s1 = csd1.getStream();
         InputStream s2 = csd2.getStream();
         try {
             for (int i = 0; i < len; i++) {
                 int val1 = s1.read();
                 int val2 = s2.read();
                 if (val1 != val2) {
                     return false;
                 }
             }
         } catch (IOException e) {
             e.printStackTrace();
             return false;
         }
         return true;
     }
 
     public void updateProperty(String id, String propertyId, String propertyValue) {
         Properties properties = getUpdatePropertyList(propertyId, propertyValue);
 
         Holder<String> idHolder = new Holder<String>(id);
         Holder<String> changeTokenHolder = new Holder<String>();
         fObjSvc.updateProperties(fRepositoryId, idHolder, changeTokenHolder, properties, null);
     }
 
     public Properties getUpdatePropertyList(String propertyId, String propertyValue) {
         List<PropertyData<?>> properties = new ArrayList<PropertyData<?>>();
         properties.add(fFactory.createPropertyStringData(propertyId, propertyValue));
         Properties newProps = fFactory.createPropertiesData(properties);
         return newProps;
     }
 
     public boolean verifyProperty(String id, String propertyId, String propertyValue) {
         Properties props = fObjSvc.getProperties(fRepositoryId, id, "*", null);
         Map<String, PropertyData<?>> propsMap = props.getProperties();
         PropertyString pd = (PropertyString) propsMap.get(propertyId);
         return propertyValue.equals(pd.getFirstValue());
     }
 
 }