/*
    * 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.AbstractCustomJavaDataTypeAdapter;
  import gov.nist.secauto.metaschema.core.datatype.object.DateTime;
  import gov.nist.secauto.metaschema.core.metapath.function.InvalidValueForCastFunctionException;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IAnyAtomicItem;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IDateItem;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IDateTimeItem;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IStringItem;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IUntypedAtomicItem;
  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  
  import java.time.LocalDateTime;
  import java.time.ZoneOffset;
  import java.time.ZonedDateTime;
  import java.time.format.DateTimeParseException;
  import java.util.List;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public class DateTimeAdapter
      extends AbstractCustomJavaDataTypeAdapter<DateTime, IDateTimeItem> {
    @NonNull
    private static final List<String> NAMES = ObjectUtils.notNull(
        List.of(
            "date-time",
            // for backwards compatibility with original type name
            "dateTime"));
  
    DateTimeAdapter() {
      super(DateTime.class);
    }
  
    @Override
    public List<String> getNames() {
      return NAMES;
    }
  
    @Override
    public JsonFormatTypes getJsonRawType() {
      return JsonFormatTypes.STRING;
    }
  
    @SuppressWarnings("null")
    @Override
    public DateTime parse(String value) {
      try {
        return new DateTime(ZonedDateTime.from(DateFormats.DATE_TIME_WITH_TZ.parse(value)), true); // NOPMD - readability
      } catch (DateTimeParseException ex) {
        try {
          LocalDateTime dateTime = LocalDateTime.from(DateFormats.DATE_TIME_WITHOUT_TZ.parse(value));
          return new DateTime(ZonedDateTime.of(dateTime, ZoneOffset.UTC), false);
        } catch (DateTimeParseException ex2) {
          IllegalArgumentException newEx = new IllegalArgumentException(ex2.getLocalizedMessage(), ex2);
          newEx.addSuppressed(ex);
          throw newEx; // NOPMD - it's ok
        }
      }
    }
  
    @Override
    public String asString(Object obj) {
      DateTime value = (DateTime) obj;
      String retval;
      if (value.hasTimeZone()) {
        @SuppressWarnings("null")
        @NonNull String formatted = DateFormats.DATE_TIME_WITH_TZ.format(value.getValue());
        retval = formatted;
      } else {
        @SuppressWarnings("null")
        @NonNull String formatted = DateFormats.DATE_TIME_WITHOUT_TZ.format(value.getValue());
       retval = formatted;
     }
     return retval;
   }
 
   @Override
   public Class<IDateTimeItem> getItemClass() {
     return IDateTimeItem.class;
   }
 
   @Override
   public IDateTimeItem newItem(Object value) {
     DateTime item = toValue(value);
     return IDateTimeItem.valueOf(item);
   }
 
   @Override
   protected IDateTimeItem castInternal(@NonNull IAnyAtomicItem item) {
     // TODO: bring up to spec
     IDateTimeItem retval;
     if (item instanceof IDateItem) {
       retval = IDateTimeItem.valueOf(((IDateItem) item).asZonedDateTime());
     } else if (item instanceof IStringItem || item instanceof IUntypedAtomicItem) {
       retval = super.castInternal(item);
     } else {
       throw new InvalidValueForCastFunctionException(
           String.format("unsupported item type '%s'", item.getClass().getName()));
     }
     return retval;
   }
 
 }