/*
 * 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.gravitino.dto.function;

import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Arrays;
import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.apache.gravitino.function.FunctionResources;

/** DTO for function resources. */
@Getter
@EqualsAndHashCode
@NoArgsConstructor(access = AccessLevel.PRIVATE)
@AllArgsConstructor(access = AccessLevel.PRIVATE)
@Builder(setterPrefix = "with")
public class FunctionResourcesDTO {

  @JsonProperty("jars")
  private String[] jars;

  @JsonProperty("files")
  private String[] files;

  @JsonProperty("archives")
  private String[] archives;

  /**
   * Convert this DTO to a {@link FunctionResources} instance.
   *
   * @return The function resources.
   */
  public FunctionResources toFunctionResources() {
    return FunctionResources.of(jars, files, archives);
  }

  /**
   * Create a {@link FunctionResourcesDTO} from a {@link FunctionResources} instance.
   *
   * @param resources The function resources.
   * @return The function resources DTO.
   */
  public static FunctionResourcesDTO fromFunctionResources(FunctionResources resources) {
    if (resources == null) {
      return null;
    }
    return new FunctionResourcesDTO(resources.jars(), resources.files(), resources.archives());
  }

  @Override
  public String toString() {
    return "FunctionResourcesDTO{"
        + "jars="
        + Arrays.toString(jars)
        + ", files="
        + Arrays.toString(files)
        + ", archives="
        + Arrays.toString(archives)
        + '}';
  }
}
