/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.oscal.lib.profile.resolver.policy;
   
   import org.apache.logging.log4j.LogManager;
   import org.apache.logging.log4j.Logger;
  
  import java.net.URI;
  import java.util.List;
  import java.util.Locale;
  
  import dev.metaschema.core.metapath.format.IPathFormatter;
  import dev.metaschema.core.metapath.item.node.IModelNodeItem;
  import dev.metaschema.core.util.CustomCollectors;
  import dev.metaschema.core.util.ObjectUtils;
  import dev.metaschema.oscal.lib.model.Property;
  import dev.metaschema.oscal.lib.profile.resolver.support.IEntityItem;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public class PropertyReferencePolicy
      extends AbstractMultiItemTypeReferencePolicy<Property> {
    private static final Logger LOGGER = LogManager.getLogger(PropertyReferencePolicy.class);
  
    @NonNull
    public static PropertyReferencePolicy create(@NonNull IIdentifierParser identifierParser,
        @NonNull IEntityItem.ItemType itemType) {
      return create(identifierParser, ObjectUtils.notNull(List.of(itemType)));
    }
  
    @NonNull
    public static PropertyReferencePolicy create(@NonNull IIdentifierParser identifierParser,
        @NonNull List<IEntityItem.ItemType> itemTypes) {
      return new PropertyReferencePolicy(identifierParser, itemTypes);
    }
  
    public PropertyReferencePolicy(
        @NonNull IIdentifierParser identifierParser,
        @NonNull List<IEntityItem.ItemType> itemTypes) {
      super(identifierParser, itemTypes);
    }
  
    @Override
    public String getReferenceText(@NonNull Property property) {
      return property.getValue();
    }
  
    @Override
    public void setReferenceText(@NonNull Property property, @NonNull String newValue) {
      property.setValue(newValue);
    }
  
    @Override
    protected void handleUnselected(
        @NonNull IModelNodeItem<?, ?> contextItem,
        @NonNull Property property,
        @NonNull IEntityItem item,
        @NonNull ReferenceCountingVisitor.Context visitorContext) {
      URI linkHref = URI.create(property.getValue());
      URI sourceUri = item.getSource();
  
      URI resolved = sourceUri.resolve(linkHref);
      if (LOGGER.isDebugEnabled()) {
        LOGGER.atTrace().log("At path '{}', remapping orphaned URI '{}' to '{}'",
            contextItem.toPath(IPathFormatter.METAPATH_PATH_FORMATER),
            linkHref.toString(),
            resolved.toString());
      }
      property.setValue(resolved.toString());
    }
  
    @Override
    protected boolean handleIndexMiss(
        @NonNull IModelNodeItem<?, ?> contextItem,
        @NonNull Property property,
        @NonNull List<IEntityItem.ItemType> itemTypes,
        @NonNull String identifier,
        @NonNull ReferenceCountingVisitor.Context visitorContext) {
      if (LOGGER.isWarnEnabled()) {
        LOGGER.atWarn().log(
            "The property '{}' at '{}' should reference a {} identified by '{}',"
                + " but the identifier was not found in the index.",
            property.getQName(),
            contextItem.toPath(IPathFormatter.METAPATH_PATH_FORMATER),
            itemTypes.stream()
                .map(en -> en.name().toLowerCase(Locale.ROOT))
                .collect(CustomCollectors.joiningWithOxfordComma("or")),
            identifier);
      }
      return true;
    }
  }