/**
 * 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.ambari.view.filebrowser;

import com.google.common.base.Optional;
import com.google.inject.Inject;
import org.apache.ambari.view.ViewContext;
import org.apache.ambari.view.commons.hdfs.FileOperationService;
import org.apache.ambari.view.commons.hdfs.UploadService;
import org.apache.ambari.view.commons.hdfs.UserService;
import org.apache.ambari.view.commons.hdfs.ViewPropertyHelper;

import javax.ws.rs.Path;
import java.util.HashMap;
import java.util.Map;

/**
 * Root files service
 */
public class FileBrowserService {
  public static final String VIEW_CONF_KEYVALUES = "view.conf.keyvalues";

  @Inject
  ViewContext context;

  /**
   * @see org.apache.ambari.view.filebrowser.DownloadService
   * @return service
   */
  @Path("/download")
  public DownloadService download() {
    return new DownloadService(context, getViewConfigs());
  }

  private Map<String,String> getViewConfigs() {
    Optional<Map<String, String>> props = ViewPropertyHelper.getViewConfigs(context, VIEW_CONF_KEYVALUES);
    return props.isPresent()? props.get() : new HashMap<String, String>();
  }

  /**
   * @see UploadService
   * @return service
   */
  @Path("/upload")
  public UploadService upload() {
    return new UploadService(context, getViewConfigs());
  }

  /**
   * @see org.apache.ambari.view.commons.hdfs.FileOperationService
   * @return service
   */
  @Path("/fileops")
  public FileOperationService fileOps() {
    return new FileOperationService(context, getViewConfigs());
  }

  /**
   * @see org.apache.ambari.view.filebrowser.HelpService
   * @return service
   */
  @Path("/help")
  public HelpService help() {
    return new HelpService(context, getViewConfigs());
  }

  /**
   * @see org.apache.ambari.view.commons.hdfs.UserService
   * @return service
   */
  @Path("/user")
  public UserService userService() { return new UserService(context, getViewConfigs()); }

  /**
   * @see org.apache.ambari.view.filebrowser.FilePreviewService
   * @return service
   */
  @Path("/preview")
  public FilePreviewService preview() {
    return new FilePreviewService(context, getViewConfigs());
  }

}
