/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.item.atomic.impl;
   
   import java.net.URI;
   
  import dev.metaschema.core.metapath.item.atomic.AbstractAnyAtomicItem;
  import dev.metaschema.core.metapath.item.atomic.IAnyUriItem;
  import dev.metaschema.core.metapath.item.function.IMapKey;
  import dev.metaschema.core.metapath.item.function.impl.AbstractStringMapKey;
  import dev.metaschema.core.util.ObjectUtils;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import nl.talsmasoftware.lazy4j.Lazy;
  
  /**
   * An abstract implementation of a Metapath atomic item containing a URI data
   * value.
   */
  public abstract class AbstractUriItem
      extends AbstractAnyAtomicItem<URI>
      implements IAnyUriItem {
  
    @SuppressWarnings("synthetic-access")
    private final Lazy<String> stringValue = Lazy.of(super::asString);
  
    /**
     * Construct a new item that wraps the provided value.
     *
     * @param value
     *          the value to wrap
     */
    protected AbstractUriItem(@NonNull URI value) {
      super(value);
    }
  
    @Override
    @NonNull
    public URI asUri() {
      return getValue();
    }
  
    @Override
    public String asString() {
      return ObjectUtils.notNull(stringValue.get());
    }
  
    @Override
    public IMapKey asMapKey() {
      return new MapKey();
    }
  
    @Override
    public int hashCode() {
      return asUri().hashCode();
    }
  
    @Override
    protected String getValueSignature() {
      return "'" + asString() + "'";
    }
  
    @Override
    public boolean equals(Object obj) {
      return this == obj
          || obj instanceof IAnyUriItem && compareTo((IAnyUriItem) obj) == 0;
  
    }
  
    private final class MapKey
        extends AbstractStringMapKey {
  
      @Override
      public IAnyUriItem getKey() {
        return AbstractUriItem.this;
      }
  
      @Override
      public String asString() {
        return getKey().asString();
      }
    }
  }