/*
    * 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.core.datatype.adapter;
  
  import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatTypes;
  
  import gov.nist.secauto.metaschema.core.datatype.AbstractDataTypeAdapter;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IDateItem;
  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  
  import java.time.ZonedDateTime;
  import java.time.format.DateTimeParseException;
  import java.util.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public class DateWithTZAdapter
      extends AbstractDataTypeAdapter<ZonedDateTime, IDateItem> {
    @NonNull
    private static final List<String> NAMES = ObjectUtils.notNull(
        List.of(
            "date-with-timezone"));
    private static final Pattern DATE_TIMEZONE = Pattern.compile("^("
        + "^(?:(?:2000|2400|2800|(?:19|2[0-9](?:0[48]|[2468][048]|[13579][26])))-02-29)"
        + "|(?:(?:(?:19|2[0-9])[0-9]{2})-02-(?:0[1-9]|1[0-9]|2[0-8]))"
        + "|(?:(?:(?:19|2[0-9])[0-9]{2})-(?:0[13578]|10|12)-(?:0[1-9]|[12][0-9]|3[01]))"
        + "|(?:(?:(?:19|2[0-9])[0-9]{2})-(?:0[469]|11)-(?:0[1-9]|[12][0-9]|30))"
        + ")"
        + "(Z|[+-][0-9]{2}:[0-9]{2})$");
  
    DateWithTZAdapter() {
      super(ZonedDateTime.class);
    }
  
    @Override
    public List<String> getNames() {
      return NAMES;
    }
  
    @Override
    public JsonFormatTypes getJsonRawType() {
      return JsonFormatTypes.STRING;
    }
  
    @SuppressWarnings("null")
    @Override
    public ZonedDateTime parse(String value) {
      Matcher matcher = DATE_TIMEZONE.matcher(value);
      if (!matcher.matches()) {
        throw new IllegalArgumentException("Invalid date: " + value);
      }
      String parseValue = String.format("%sT00:00:00%s", matcher.group(1), matcher.group(2));
      try {
        return ZonedDateTime.from(DateFormats.DATE_TIME_WITH_TZ.parse(parseValue));
      } catch (DateTimeParseException ex) {
        throw new IllegalArgumentException(ex.getLocalizedMessage(), ex);
      }
    }
  
    @SuppressWarnings("null")
    @Override
    public String asString(Object value) {
      return DateFormats.DATE_WITH_TZ.format((ZonedDateTime) value);
    }
  
    @SuppressWarnings("null")
    @Override
    public ZonedDateTime copy(Object obj) {
      return ZonedDateTime.from((ZonedDateTime) obj);
    }
  
    @Override
    public Class<IDateItem> getItemClass() {
     return IDateItem.class;
   }
 
   @Override
   public IDateItem newItem(Object value) {
     ZonedDateTime item = toValue(value);
     return IDateItem.valueOf(item);
   }
 }