/*
    * Portions of this software was developed by employees of the National Institute
    * of Standards and Technology (NIST), an agency of the Federal Government and is
    * being made available as a public service. Pursuant to title 17 United States
    * Code Section 105, works of NIST employees are not subject to copyright
    * protection in the United States. This software may be subject to foreign
    * copyright. Permission in the United States and in foreign countries, to the
    * extent that NIST may hold copyright, to use, copy, modify, create derivative
    * works, and distribute this software and its documentation without fee is hereby
   * granted on a non-exclusive basis, provided that this notice and disclaimer
   * of warranty appears in all copies.
   *
   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
   */
  
  package gov.nist.secauto.metaschema.schemagen.xml.schematype;
  
  import gov.nist.secauto.metaschema.core.datatype.markup.MarkupLine;
  import gov.nist.secauto.metaschema.core.model.IValuedDefinition;
  import gov.nist.secauto.metaschema.core.model.constraint.IAllowedValue;
  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  import gov.nist.secauto.metaschema.schemagen.AbstractGenerationState.AllowedValueCollection;
  import gov.nist.secauto.metaschema.schemagen.SchemaGenerationException;
  import gov.nist.secauto.metaschema.schemagen.xml.XmlSchemaGenerator;
  import gov.nist.secauto.metaschema.schemagen.xml.impl.XmlGenerationState;
  
  import org.codehaus.stax2.XMLStreamWriter2;
  
  import javax.xml.namespace.QName;
  import javax.xml.stream.XMLStreamException;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public class XmlSimpleTypeDataTypeRestriction
      extends AbstractXmlSimpleType {
    @NonNull
    private final AllowedValueCollection allowedValuesCollection;
  
    public XmlSimpleTypeDataTypeRestriction(
        @NonNull QName qname,
        @NonNull IValuedDefinition definition,
        @NonNull AllowedValueCollection allowedValuesCollection) {
      super(qname, definition);
      this.allowedValuesCollection = allowedValuesCollection;
    }
  
    protected AllowedValueCollection getAllowedValuesCollection() {
      return allowedValuesCollection;
    }
  
    @Override
    public void generateType(XmlGenerationState state, boolean anonymous) {
      try {
        state.writeStartElement(XmlSchemaGenerator.PREFIX_XML_SCHEMA, "simpleType", XmlSchemaGenerator.NS_XML_SCHEMA);
  
        if (!anonymous) {
          state.writeAttribute("name", ObjectUtils.notNull(getQName().getLocalPart()));
        }
  
        state.writeStartElement(XmlSchemaGenerator.PREFIX_XML_SCHEMA, "restriction", XmlSchemaGenerator.NS_XML_SCHEMA);
        state.writeAttribute("base", state.getSimpleType(getDataTypeAdapter()).getTypeReference());
  
        for (IAllowedValue allowedValue : getAllowedValuesCollection().getValues()) {
          state.writeStartElement(XmlSchemaGenerator.PREFIX_XML_SCHEMA, "enumeration", XmlSchemaGenerator.NS_XML_SCHEMA);
          state.writeAttribute("value", allowedValue.getValue());
  
          MarkupLine description = allowedValue.getDescription();
          generateDescriptionAnnotation(
              description,
              ObjectUtils.notNull(getQName().getNamespaceURI()),
              state);
          // LOGGER.info(String.format("Field:%s:%s: %s",
          // definition.getContainingMetaschema().getLocation(),
          // definition.getName(), allowedValue.getValue()));
          state.writeEndElement(); // xs:enumeration
        }
  
        state.writeEndElement(); // xs:restriction
        state.writeEndElement(); // xs:simpleType
      } catch (XMLStreamException ex) {
        throw new SchemaGenerationException(ex);
      }
    }
  
    public static void generateDescriptionAnnotation(
        @NonNull MarkupLine description,
        @NonNull String xmlNS,
        @NonNull XmlGenerationState state) throws XMLStreamException {
     XMLStreamWriter2 writer = state.getXMLStreamWriter();
     writer.writeStartElement(XmlSchemaGenerator.PREFIX_XML_SCHEMA, "annotation", XmlSchemaGenerator.NS_XML_SCHEMA);
     writer.writeStartElement(XmlSchemaGenerator.PREFIX_XML_SCHEMA, "documentation", XmlSchemaGenerator.NS_XML_SCHEMA);
 
     // write description
     writer.writeStartElement(xmlNS, "p");
 
     description.writeXHtml(xmlNS, writer);
 
     writer.writeEndElement(); // p
 
     writer.writeEndElement(); // xs:documentation
     writer.writeEndElement(); // xs:annotation
   }
 }