/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package gov.nist.secauto.metaschema.schemagen.json.impl.builder;
   
   import com.fasterxml.jackson.databind.node.ObjectNode;
   
  import gov.nist.secauto.metaschema.core.model.IGroupable;
  import gov.nist.secauto.metaschema.schemagen.json.IJsonGenerationState;
  
  public class SingletonBuilder
      extends AbstractCollectionBuilder<SingletonBuilder> {
    private int minOccurrence = IGroupable.DEFAULT_GROUP_AS_MIN_OCCURS;
  
    @Override
    protected SingletonBuilder thisBuilder() {
      return this;
    }
  
    @Override
    public int getMinOccurrence() {
      return minOccurrence;
    }
  
    @Override
    public int getMaxOccurrence() {
      return 1;
    }
  
    @Override
    public SingletonBuilder minItems(int min) {
      if (min < 0 || min > 1) {
        throw new IllegalArgumentException(
            String.format("The minimum value '%d' must be 0 or 1.", min));
      }
      minOccurrence = min;
      return this;
    }
  
    @Override
    public SingletonBuilder maxItems(int max) {
      if (max != 1) {
        throw new IllegalArgumentException(
            String.format("The maximum value '%d' must be 1.", max));
      }
      return this;
    }
  
    @Override
    public void build(
        ObjectNode object,
        IJsonGenerationState state) {
      if (!getTypes().isEmpty()) {
        buildInternal(object, state);
      }
    }
  }