/*
 * 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.iceberg.encryption;

import org.apache.iceberg.io.InputFile;
import org.apache.iceberg.io.OutputFile;
import org.apache.iceberg.io.PositionOutputStream;

public class AesGcmOutputFile implements OutputFile {
  private final OutputFile targetFile;
  private final byte[] dataKey;
  private final byte[] fileAADPrefix;

  public AesGcmOutputFile(OutputFile targetFile, byte[] dataKey, byte[] fileAADPrefix) {
    this.targetFile = targetFile;
    this.dataKey = dataKey;
    this.fileAADPrefix = fileAADPrefix;
  }

  @Override
  public PositionOutputStream create() {
    return new AesGcmOutputStream(targetFile.create(), dataKey, fileAADPrefix);
  }

  @Override
  public PositionOutputStream createOrOverwrite() {
    return new AesGcmOutputStream(targetFile.createOrOverwrite(), dataKey, fileAADPrefix);
  }

  @Override
  public String location() {
    return targetFile.location();
  }

  @Override
  public InputFile toInputFile() {
    throw new IllegalStateException("File length unknown, creating an AesGcmInputFile is not safe");
  }
}
