/*
 * 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.hadoop.ozone.web.ozShell.bucket;

import org.apache.hadoop.ozone.OzoneAcl;
import org.apache.hadoop.ozone.client.OzoneClient;
import org.apache.hadoop.ozone.security.acl.OzoneObj;
import org.apache.hadoop.ozone.security.acl.OzoneObjInfo;
import org.apache.hadoop.ozone.web.ozShell.Handler;
import org.apache.hadoop.ozone.web.ozShell.OzoneAddress;
import org.apache.hadoop.ozone.web.ozShell.Shell;
import org.apache.hadoop.ozone.web.utils.JsonUtils;
import picocli.CommandLine;
import picocli.CommandLine.Command;
import picocli.CommandLine.Parameters;

import java.util.List;

import static org.apache.hadoop.ozone.security.acl.OzoneObj.StoreType.OZONE;

/**
 * Get acl handler for bucket.
 */
@Command(name = "getacl",
    description = "List all acls.")
public class GetAclBucketHandler extends Handler {

  @Parameters(arity = "1..1", description = Shell.OZONE_BUCKET_URI_DESCRIPTION)
  private String uri;

  @CommandLine.Option(names = {"--store", "-s"},
      required = false,
      description = "store type. i.e OZONE or S3")
  private String storeType;

  /**
   * Executes the Client Calls.
   */
  @Override
  public Void call() throws Exception {
    OzoneAddress address = new OzoneAddress(uri);
    address.ensureBucketAddress();
    OzoneClient client = address.createClient(createOzoneConfiguration());

    String volumeName = address.getVolumeName();
    String bucketName = address.getBucketName();

    if (isVerbose()) {
      System.out.printf("Volume Name : %s%n", volumeName);
      System.out.printf("Bucket Name : %s%n", bucketName);
    }

    OzoneObj obj = OzoneObjInfo.Builder.newBuilder()
        .setBucketName(bucketName)
        .setVolumeName(volumeName)
        .setResType(OzoneObj.ResourceType.BUCKET)
        .setStoreType(storeType == null ? OZONE :
            OzoneObj.StoreType.valueOf(storeType))
        .build();

    List<OzoneAcl> result = client.getObjectStore().getAcl(obj);

    System.out.printf("%s%n",
        JsonUtils.toJsonStringWithDefaultPrettyPrinter(result));
    client.close();
    return null;
  }

}