/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.schemagen.json.impl;
   
   import com.fasterxml.jackson.databind.node.ObjectNode;
   
  import java.util.Set;
  import java.util.stream.Stream;
  
  import dev.metaschema.core.model.IFlagInstance;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * Supports generation of a JSON schema based on a Metaschema
   * {@link IFlagInstance}, which can be generated inline or as a JSON schema
   * definition.
   */
  public class JsonSchemaPropertyFlag
      extends AbstractJsonSchemaPropertyNamed<IFlagInstance>
      implements IJsonSchemaPropertyFlag {
    private final IJsonSchemaDefinition definitionSchema;
  
    /**
     * Construct a new JSON schema property.
     *
     * @param instance
     *          the instance to construct the property for
     * @param state
     *          the JSON generation state used to get JSON schema information
     */
    public JsonSchemaPropertyFlag(
        @NonNull IFlagInstance instance,
        @NonNull IJsonGenerationState state) {
      super(instance, instance.getJsonName());
      this.definitionSchema = state.getFlagDefinition(instance.getDefinition());
    }
  
    @Override
    public String getName() {
      return getInstance().getJsonName();
    }
  
    @Override
    public boolean isRequired() {
      return getInstance().isRequired();
    }
  
    @Override
    public Stream<IJsonSchemaDefinable> collectDefinitions(
        Set<IJsonSchemaDefinitionAssembly> visited,
        IJsonGenerationState state) {
      return definitionSchema.collectDefinitions(visited, state);
    }
  
    @Override
    protected void generateMetadata(ObjectNode obj, IJsonGenerationState state) {
      IFlagInstance instance = getInstance();
      JsonSchemaHelper.generateTitle(instance, obj);
      JsonSchemaHelper.generateDescription(instance, obj);
      JsonSchemaHelper.generateDefault(instance, obj);
    }
  
    @Override
    protected void generateBody(ObjectNode obj, IJsonGenerationState state) {
      definitionSchema.generateJsonSchemaOrDefinitionRef(obj, state);
      assert !obj.isEmpty();
    }
  }