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    * #%L
    * wcm.io
    * %%
    * Copyright (C) 2024 wcm.io
    * %%
    * Licensed 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.
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  package io.wcm.handler.mediasource.ngdm.impl.metadata;
  
  import java.util.Objects;
  
  import org.apache.commons.lang3.builder.ToStringBuilder;
  import org.apache.commons.lang3.builder.ToStringStyle;
  import org.jetbrains.annotations.NotNull;
  import org.jetbrains.annotations.Nullable;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.json.JsonMapper;
  
  import io.wcm.handler.media.Dimension;
  import io.wcm.wcm.commons.contenttype.ContentType;
  
  /**
   * Metadata for Next Gen Dynamic Media asset fetched from the HTTP API.
   */
  public final class NextGenDynamicMediaMetadata {
  
    private final String mimeType;
    private final Dimension dimension;
  
    private static final JsonMapper OBJECT_MAPPER = new JsonMapper();
  
    NextGenDynamicMediaMetadata(@Nullable String mimeType, long width, long height) {
      this.mimeType = mimeType;
      if (width > 0 && height > 0) {
        this.dimension = new Dimension(width, height);
      }
      else {
        this.dimension = null;
      }
    }
  
    /**
     * @return Mime type
     */
    public @NotNull String getMimeType() {
      return Objects.toString(mimeType, ContentType.OCTET_STREAM);
    }
  
    /**
     * @return Image Dimension or null if no image or dimension not available
     */
    public @Nullable Dimension getDimension() {
      return dimension;
    }
  
    boolean isValid() {
      return mimeType != null;
    }
  
    @Override
    public String toString() {
      return ToStringBuilder.reflectionToString(this, ToStringStyle.NO_CLASS_NAME_STYLE);
    }
  
    /**
     * Converts JSON response from NGDM API to metadata object.
     * @param jsonResponse JSON response
     * @return Metadata object
     * @throws JsonProcessingException If JSON parsing fails
     */
    @SuppressWarnings("null")
    public static @NotNull NextGenDynamicMediaMetadata fromJson(@NotNull String jsonResponse) throws JsonProcessingException {
      MetadataResponse response = OBJECT_MAPPER.readValue(jsonResponse, MetadataResponse.class);
  
      String mimeType = null;
      if (response.repositoryMetadata != null) {
        mimeType = response.repositoryMetadata.dcFormat;
      }
  
      long width = 0;
      long height = 0;
      if (response.assetMetadata != null) {
        width = response.assetMetadata.tiffImageWidth;
        height = response.assetMetadata.tiffImageLength;
      }
  
     return new NextGenDynamicMediaMetadata(mimeType, width, height);
   }
 
 }