/*
    * Copyright (c) 2002-2026 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.host.intl;
  
  import org.htmlunit.corejs.javascript.Context;
  import org.htmlunit.corejs.javascript.Function;
  import org.htmlunit.corejs.javascript.FunctionObject;
  import org.htmlunit.corejs.javascript.NativeArray;
  import org.htmlunit.corejs.javascript.Scriptable;
  import org.htmlunit.corejs.javascript.VarScope;
  import org.htmlunit.javascript.HtmlUnitScriptable;
  import org.htmlunit.javascript.JavaScriptEngine;
  import org.htmlunit.javascript.configuration.JsxClass;
  import org.htmlunit.javascript.configuration.JsxConstructor;
  import org.htmlunit.javascript.configuration.JsxSymbolConstant;
  
  /**
   * A JavaScript object for Intl.Collator.
   *
   * @author Ahmed Ashour
   * @author Ronald Brill
   *
   * @see <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Collator">MDN Documentation</a>
   */
  @JsxClass
  public class Collator extends HtmlUnitScriptable {
  
      /** Symbol.toStringTag support. */
      @JsxSymbolConstant
      public static final String TO_STRING_TAG = "Intl.Collator";
  
      /**
       * JavaScript constructor.
       * @param cx the current context
       * @param scope the scope
       * @param args the arguments to the Collator constructor
       * @param ctorObj the function object
       * @param inNewExpr {@code true} if invoked with the {@code new} operator
       * @return the Java object that JavaScript can access
       */
      @JsxConstructor
      public static Scriptable jsConstructor(final Context cx, final VarScope scope,
              final Object[] args, final Function ctorObj, final boolean inNewExpr) {
          final String[] locales;
          if (args.length == 0) {
              locales = new String[] {""};
          }
          else {
              if (args[0] instanceof NativeArray array) {
                  locales = new String[(int) array.getLength()];
                  for (int i = 0; i < locales.length; i++) {
                      locales[i] = JavaScriptEngine.toString(array.get(i));
                  }
              }
              else {
                  locales = new String[] {JavaScriptEngine.toString(args[0])};
              }
          }
          final Collator format = new Collator(/*locales, window.getBrowserVersion()*/);
          format.setParentScope(scope);
          format.setPrototype(((FunctionObject) ctorObj).getClassPrototype());
          return format;
      }
  
      @Override
      public Object getDefaultValue(final Class<?> hint) {
          if (String.class.equals(hint) || hint == null) {
              return "[object Intl.Collator]";
          }
          return super.getDefaultValue(hint);
      }
  }