/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * https://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.htmlunit.javascript;
  
  import java.io.Serializable;
  
  import org.htmlunit.corejs.javascript.Delegator;
  import org.htmlunit.corejs.javascript.Scriptable;
  
  /**
   * Proxy for a {@link HtmlUnitScriptable}.
   *
   * @param <T> the type of scriptable object being wrapped
   * @author Marc Guillemot
   * @author Daniel Gredler
   * @author Ronald Brill
   */
  public abstract class HtmlUnitScriptableProxy<T extends HtmlUnitScriptable> extends Delegator
          implements Serializable {
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Object get(final int index, Scriptable start) {
          if (start instanceof HtmlUnitScriptableProxy<?>) {
              start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
          }
          return getDelegee().get(index, start);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Object get(final String name, Scriptable start) {
          if (start instanceof HtmlUnitScriptableProxy<?>) {
              start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
          }
          return getDelegee().get(name, start);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean has(final int index, Scriptable start) {
          if (start instanceof HtmlUnitScriptableProxy<?>) {
              start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
          }
          return getDelegee().has(index, start);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean has(final String name, Scriptable start) {
          if (start instanceof HtmlUnitScriptableProxy<?>) {
              start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
          }
          return getDelegee().has(name, start);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean hasInstance(Scriptable instance) {
          if (instance instanceof HtmlUnitScriptableProxy<?>) {
              instance = ((HtmlUnitScriptableProxy<?>) instance).getDelegee();
          }
          return getDelegee().hasInstance(instance);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void put(final int index, Scriptable start, final Object value) {
          if (start instanceof HtmlUnitScriptableProxy<?>) {
              start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
          }
          getDelegee().put(index, start, value);
      }
  
      /**
      * {@inheritDoc}
      */
     @Override
     public void put(final String name, Scriptable start, final Object value) {
         if (start instanceof HtmlUnitScriptableProxy<?>) {
             start = ((HtmlUnitScriptableProxy<?>) start).getDelegee();
         }
         getDelegee().put(name, start, value);
     }
 
     /**
      * Delegates call to delegee.
      * @param hint the type hint
      * @return the default value
      *
      * @see org.htmlunit.corejs.javascript.Scriptable#getDefaultValue
      */
     @Override
     public Object getDefaultValue(final Class<?> hint) {
         return getDelegee().getDefaultValue(hint);
     }
 }