content: /*
   * Copyright © 2018-2025 Commonwealth Scientific and Industrial Research
   * Organisation (CSIRO) ABN 41 687 119 230.
   *
   * 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.
   */
  
  package au.csiro.pathling.test.yaml.resolver;
  
  import au.csiro.pathling.fhirpath.context.ResourceResolver;
  import au.csiro.pathling.fhirpath.definition.defaults.DefaultDefinitionContext;
  import au.csiro.pathling.fhirpath.definition.defaults.DefaultResourceDefinition;
  import au.csiro.pathling.fhirpath.definition.defaults.DefaultResourceTag;
  import au.csiro.pathling.fhirpath.execution.DefaultResourceResolver;
  import au.csiro.pathling.test.yaml.YamlSupport;
  import jakarta.annotation.Nonnull;
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  import java.util.function.Function;
  import lombok.Value;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.spark.sql.Dataset;
  import org.apache.spark.sql.Encoders;
  import org.apache.spark.sql.Row;
  import org.apache.spark.sql.types.StructType;
  
  /**
   * Factory for creating resource resolvers from arbitrary object representations. This class handles
   * the conversion of YAML-defined test data into a format that can be used for FHIRPath expression
   * evaluation.
   */
  @Slf4j
  @Value(staticConstructor = "of")
  public class ArbitraryObjectResolverFactory implements Function<RuntimeContext, ResourceResolver> {
  
    @Nonnull
    Map<Object, Object> subjectOM;  // Changed back to Map<Object, Object>
  
    @Override
    @Nonnull
    public ResourceResolver apply(final RuntimeContext rt) {
      final String subjectResourceCode = Optional.ofNullable(subjectOM.get("resourceType"))
          .map(String.class::cast)
          .orElse("Test");
  
      final DefaultResourceDefinition subjectDefinition = (DefaultResourceDefinition) YamlSupport
          .yamlToDefinition(subjectResourceCode, subjectOM);
      final StructType subjectSchema = YamlSupport.definitionToStruct(subjectDefinition);
  
      final String subjectOMJson = YamlSupport.omToJson(subjectOM);
      log.trace("subjectOMJson: \n{}", subjectOMJson);
      final Dataset<Row> inputDS = rt.getSpark().read().schema(subjectSchema)
          .json(rt.getSpark().createDataset(List.of(subjectOMJson),
              Encoders.STRING()));
  
      log.trace("Yaml definition: {}", subjectDefinition);
      log.trace("Subject schema: {}", subjectSchema.treeString());
  
      return DefaultResourceResolver.of(
          DefaultResourceTag.of(subjectResourceCode),
          DefaultDefinitionContext.of(subjectDefinition),
          inputDS
      );
    }
  
    @Override
    @Nonnull
    public String toString() {
      return YamlSupport.YAML.dump(subjectOM);
    }
  }
  