/*
    * 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.dom;
  
  import org.htmlunit.corejs.javascript.Context;
  import org.htmlunit.corejs.javascript.Function;
  import org.htmlunit.corejs.javascript.FunctionObject;
  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.JsxFunction;
  import org.htmlunit.javascript.configuration.JsxGetter;
  
  /**
   * A JavaScript object for {@code DOMPointReadOnly}.
   *
   * @author Ahmed Ashour
   * @author Ronald Brill
   *
   * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/DOMPointReadOnly">MDN Documentation</a>
   */
  @JsxClass
  public class DOMPointReadOnly extends HtmlUnitScriptable {
  
      private double xVal_;
      private double yVal_;
      private double zVal_;
      private double wVal_;
  
      /**
       * Creates an instance.
       */
      public DOMPointReadOnly() {
          wVal_ = 1;
      }
  
      /**
       * Creates an instance with the given coordinates.
       *
       * @param x the x coordinate
       * @param y the y coordinate
       * @param z the z coordinate
       * @param w the w perspective value
       */
      public DOMPointReadOnly(final double x, final double y, final double z, final double w) {
          xVal_ = x;
          yVal_ = y;
          zVal_ = z;
          wVal_ = w;
      }
  
      /**
       * JavaScript constructor.
       * @param cx the current context
       * @param scope the scope
       * @param args the arguments to the 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 DOMPointReadOnly jsConstructor(final Context cx, final VarScope scope,
              final Object[] args, final Function ctorObj, final boolean inNewExpr) {
  
          final DOMPointReadOnly point = new DOMPointReadOnly(0, 0, 0, 1);
          point.init(args, scope, ctorObj);
          return point;
      }
  
      protected void init(final Object[] args, final VarScope scope, final Function ctorObj) {
          setParentScope(scope);
          setPrototype(((FunctionObject) ctorObj).getClassPrototype());
  
          if (args.length == 0 || JavaScriptEngine.isUndefined(args[0])) {
              return;
          }
  
          if (args.length > 0) {
              xVal_ = JavaScriptEngine.toNumber(args[0]);
          }
  
          if (args.length > 1) {
              yVal_ = JavaScriptEngine.toNumber(args[1]);
          }
 
         if (args.length > 2) {
             zVal_ = JavaScriptEngine.toNumber(args[2]);
         }
 
         if (args.length > 3) {
             wVal_ = JavaScriptEngine.toNumber(args[3]);
         }
     }
 
     /**
      * Returns the {@code x} coordinate.
      * @return the {@code x} coordinate
      */
     @JsxGetter
     public double getX() {
         return xVal_;
     }
 
     /**
      * Sets the {@code x} coordinate.
      * @param x the new value
      */
     public void setX(final double x) {
         xVal_ = x;
     }
 
     /**
      * Returns the {@code y} coordinate.
      * @return the {@code y} coordinate
      */
     @JsxGetter
     public double getY() {
         return yVal_;
     }
 
     /**
      * Sets the {@code y} coordinate.
      * @param y the new value
      */
     public void setY(final double y) {
         yVal_ = y;
     }
 
     /**
      * Returns the {@code z} coordinate.
      * @return the {@code z} coordinate
      */
     @JsxGetter
     public double getZ() {
         return zVal_;
     }
 
     /**
      * Sets the {@code z} coordinate.
      * @param z the new value
      */
     public void setZ(final double z) {
         zVal_ = z;
     }
 
     /**
      * Returns the {@code w} perspective value.
      * @return the {@code w} perspective value
      */
     @JsxGetter
     public double getW() {
         return wVal_;
     }
 
     /**
      * Sets the {@code w} perspective value.
      * @param w the new value
      */
     public void setW(final double w) {
         wVal_ = w;
     }
 
     /**
      * Returns a JSON representation of the DOMPointReadOnly object.
      * @return a JSON representation of the DOMPointReadOnly object
      */
     @JsxFunction
     public Scriptable toJSON() {
         final Scriptable json = JavaScriptEngine.newObject(getParentScope());
         json.put("x", json, xVal_);
         json.put("y", json, yVal_);
         json.put("z", json, zVal_);
         json.put("w", json, wVal_);
         return json;
     }
 }