/*
 * 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.tsfile.write.v4;

import org.apache.tsfile.common.conf.TSFileDescriptor;

import java.io.File;
import java.io.IOException;

/** Builder class for TsFileTreeWriter to provide a fluent interface for configuration. */
public class TsFileTreeWriterBuilder {

  private File file;
  private int memoryThreshold = TSFileDescriptor.getInstance().getConfig().getGroupSizeInByte();

  /**
   * Sets the output file for the TsFileTreeWriter.
   *
   * @param file the output file
   * @return this builder instance
   */
  public TsFileTreeWriterBuilder file(File file) {
    this.file = file;
    return this;
  }

  /**
   * Sets the memory threshold for flushing data.
   *
   * @param memoryThreshold the threshold in bytes
   * @return this builder instance
   */
  public TsFileTreeWriterBuilder memoryThreshold(int memoryThreshold) {
    this.memoryThreshold = memoryThreshold;
    return this;
  }

  /**
   * Builds and returns a new TsFileTreeWriter instance with the configured settings.
   *
   * @return a new TsFileTreeWriter instance
   * @throws IOException if the TsFileWriter cannot be initialized
   */
  public TsFileTreeWriter build() throws IOException {
    if (file == null) {
      throw new IllegalArgumentException("Output file must be specified");
    }

    return new TsFileTreeWriter(file, memoryThreshold);
  }
}
