/*
    * 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.host.html;
  
  import static org.htmlunit.BrowserVersionFeatures.JS_INPUT_NUMBER_DOT_AT_END_IS_DOUBLE;
  import static org.htmlunit.javascript.configuration.SupportedBrowser.FF;
  import static org.htmlunit.javascript.configuration.SupportedBrowser.FF_ESR;
  
  import java.io.IOException;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.lang3.math.NumberUtils;
  import org.htmlunit.html.DomElement;
  import org.htmlunit.html.DomNode;
  import org.htmlunit.html.HtmlCheckBoxInput;
  import org.htmlunit.html.HtmlFileInput;
  import org.htmlunit.html.HtmlInput;
  import org.htmlunit.html.HtmlNumberInput;
  import org.htmlunit.html.HtmlRadioButtonInput;
  import org.htmlunit.html.HtmlTextInput;
  import org.htmlunit.html.impl.SelectableTextInput;
  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;
  import org.htmlunit.javascript.configuration.JsxSetter;
  import org.htmlunit.javascript.host.DOMRectList;
  import org.htmlunit.javascript.host.Window;
  import org.htmlunit.javascript.host.dom.DOMException;
  import org.htmlunit.javascript.host.dom.NodeList;
  import org.htmlunit.javascript.host.event.Event;
  import org.htmlunit.javascript.host.file.FileList;
  
  /**
   * The JavaScript object for {@link HtmlInput}.
   *
   * @author Mike Bowler
   * @author Christian Sell
   * @author Marc Guillemot
   * @author Chris Erskine
   * @author Ahmed Ashour
   * @author Daniel Gredler
   * @author Ronald Brill
   * @author Frank Danek
   * @author Anton Demydenko
   */
  @JsxClass(domClass = HtmlInput.class)
  public class HTMLInputElement extends HTMLElement {
  
      /** "Live" labels collection; has to be a member to have equality (==) working. */
      private NodeList labels_;
  
      /**
       * JavaScript constructor.
       */
      @Override
      @JsxConstructor
      public void jsConstructor() {
          super.jsConstructor();
      }
  
      /**
       * Returns the {@code type} property.
       * @return the {@code type} property
       */
      @JsxGetter
      public String getType() {
          return getDomNodeOrDie().getType();
      }
  
      /**
       * Sets the value of the attribute {@code type}.
       * Note: this replace the DOM node with a new one.
       * @param newType the new type to set
       */
      @JsxSetter
      public void setType(final String newType) {
          getDomNodeOrDie().changeType(newType, false);
      }
  
      /**
       * Sets the value of the JavaScript attribute {@code value}.
       *
       * @param newValue the new value
       */
      @JsxSetter
     @Override
     public void setValue(final Object newValue) {
         if (null == newValue) {
             getDomNodeOrDie().setValue("");
             getDomNodeOrDie().valueModifiedByJavascript();
             return;
         }
 
         final String val = JavaScriptEngine.toString(newValue);
         if ("file".equals(getType())) {
             if (StringUtils.isNotEmpty(val)) {
                 throw JavaScriptEngine.asJavaScriptException(
                         getWindow(),
                         "Failed to set the 'value' property on 'HTMLInputElement'.",
                         DOMException.INVALID_STATE_ERR);
             }
             return;
         }
 
         getDomNodeOrDie().setValue(val);
         getDomNodeOrDie().valueModifiedByJavascript();
     }
 
     /**
      * Sets the checked property. Although this property is defined in Input it
      * doesn't make any sense for input's other than checkbox and radio. This
      * implementation does nothing. The implementations in Checkbox and Radio
      * actually do the work.
      *
      * @param checked True if this input should have the {@code checked} attribute set
      */
     @JsxSetter
     public void setChecked(final boolean checked) {
         getDomNodeOrDie().setChecked(checked);
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public HtmlInput getDomNodeOrDie() {
         return (HtmlInput) super.getDomNodeOrDie();
     }
 
     /**
      * Returns the value of the checked property. Although this property is
      * defined in Input it doesn't make any sense for input's other than
      * checkbox and radio. This implementation does nothing. The
      * implementations in Checkbox and Radio actually do the work.
      *
      * @return the checked property
      */
     @JsxGetter
     public boolean isChecked() {
         return getDomNodeOrDie().isChecked();
     }
 
     /**
      * Select this element.
      */
     @JsxFunction
     public void select() {
         final HtmlInput input = getDomNodeOrDie();
         if (input instanceof HtmlTextInput) {
             ((HtmlTextInput) input).select();
         }
         // currently nothing for other input types
     }
 
     /**
      * Returns the input's default value, used if the containing form gets reset.
      * @return the input's default value, used if the containing form gets reset
      * @see <a href="http://msdn.microsoft.com/en-us/library/ms533718.aspx">MSDN Documentation</a>
      */
     @JsxGetter
     public String getDefaultValue() {
         return getDomNodeOrDie().getDefaultValue();
     }
 
     /**
      * Sets the input's default value, used if the containing form gets reset.
      * @param defaultValue the input's default value, used if the containing form gets reset
      * @see <a href="http://msdn.microsoft.com/en-us/library/ms533718.aspx">MSDN Documentation</a>
      */
     @JsxSetter
     public void setDefaultValue(final String defaultValue) {
         getDomNodeOrDie().setDefaultValue(defaultValue);
     }
 
     /**
      * Returns the input's default checked value, used if the containing form gets reset.
      * @return the input's default checked value, used if the containing form gets reset
      * @see <a href="http://msdn.microsoft.com/en-us/library/ms533715.aspx">MSDN Documentation</a>
      */
     @JsxGetter
     public boolean isDefaultChecked() {
         return getDomNodeOrDie().isDefaultChecked();
     }
 
     /**
      * Sets the input's default checked value, used if the containing form gets reset.
      * @param defaultChecked the input's default checked value, used if the containing form gets reset
      * @see <a href="http://msdn.microsoft.com/en-us/library/ms533715.aspx">MSDN Documentation</a>
      */
     @JsxSetter
     public void setDefaultChecked(final boolean defaultChecked) {
         getDomNodeOrDie().setDefaultChecked(defaultChecked);
     }
 
     /**
      * Gets the value of {@code textLength} attribute.
      * @return the text length
      */
     @JsxGetter({FF, FF_ESR})
     public int getTextLength() {
         return getValue().length();
     }
 
     /**
      * Gets the value of {@code selectionStart} attribute.
      * @return the selection start
      */
     @JsxGetter
     public Integer getSelectionStart() {
         final DomNode dom = getDomNodeOrDie();
         if (dom instanceof SelectableTextInput) {
             if ("number".equals(getType())) {
                 return null;
             }
 
             return ((SelectableTextInput) dom).getSelectionStart();
         }
 
         return null;
     }
 
     /**
      * Sets the value of {@code selectionStart} attribute.
      * @param start selection start
      */
     @JsxSetter
     public void setSelectionStart(final int start) {
         final DomNode dom = getDomNodeOrDie();
         if (dom instanceof SelectableTextInput) {
             if ("number".equals(getType())) {
                 throw JavaScriptEngine.asJavaScriptException(
                         getWindow(),
                         "Failed to set the 'selectionStart' property"
                                 + "from 'HTMLInputElement': "
                                 + "The input element's type ('number') does not support selection.",
                         DOMException.INVALID_STATE_ERR);
             }
 
             ((SelectableTextInput) dom).setSelectionStart(start);
             return;
         }
 
         throw JavaScriptEngine.asJavaScriptException(
                 getWindow(),
                 "Failed to set the 'selectionStart' property from 'HTMLInputElement': "
                         + "The input element's type (" + getType() + ") does not support selection.",
                 DOMException.INVALID_STATE_ERR);
     }
 
     /**
      * Gets the value of {@code selectionEnd} attribute.
      * @return the selection end
      */
     @JsxGetter
     public Integer getSelectionEnd() {
         final DomNode dom = getDomNodeOrDie();
         if (dom instanceof SelectableTextInput) {
             if ("number".equals(getType())) {
                 return null;
             }
 
             return ((SelectableTextInput) dom).getSelectionEnd();
         }
 
         return null;
     }
 
     /**
      * Sets the value of {@code selectionEnd} attribute.
      * @param end selection end
      */
     @JsxSetter
     public void setSelectionEnd(final int end) {
         final DomNode dom = getDomNodeOrDie();
         if (dom instanceof SelectableTextInput) {
             if ("number".equals(getType())) {
                 throw JavaScriptEngine.asJavaScriptException(
                         getWindow(),
                         "Failed to set the 'selectionEnd' property"
                                 + "from 'HTMLInputElement': "
                                 + "The input element's type ('number') does not support selection.",
                         DOMException.INVALID_STATE_ERR);
             }
 
             ((SelectableTextInput) dom).setSelectionEnd(end);
             return;
         }
 
         throw JavaScriptEngine.asJavaScriptException(
                 getWindow(),
                 "Failed to set the 'selectionEnd' property from 'HTMLInputElement': "
                         + "The input element's type (" + getType() + ") does not support selection.",
                 DOMException.INVALID_STATE_ERR);
     }
 
     /**
      * Gets the max length.
      * @return the max length
      */
     @JsxGetter
     public int getMaxLength() {
         final String attrValue = getDomNodeOrDie().getAttribute("maxLength");
         return NumberUtils.toInt(attrValue, -1);
     }
 
     /**
      * Sets the value of {@code maxLength} attribute.
      * @param length the new value
      */
     @JsxSetter
     public void setMaxLength(final int length) {
         getDomNodeOrDie().setMaxLength(length);
     }
 
     /**
      * Gets the {@code minLength}.
      * @return the {@code minLength}
      */
     @JsxGetter
     public int getMinLength() {
         final String attrValue = getDomNodeOrDie().getAttribute("minLength");
         return NumberUtils.toInt(attrValue, -1);
     }
 
     /**
      * Sets the value of {@code minLength} attribute.
      * @param length the new value
      */
     @JsxSetter
     public void setMinLength(final int length) {
         getDomNodeOrDie().setMinLength(length);
     }
 
     /**
      * Gets the {@code min} property.
      * @return the {@code min} property
      */
     @JsxGetter
     public String getMin() {
         return getDomNodeOrDie().getAttributeDirect("min");
     }
 
     /**
      * Sets the {@code min} property.
      * @param min the {@code min} property
      */
     @JsxSetter
     public void setMin(final String min) {
         getDomNodeOrDie().setAttribute("min", min);
     }
 
     /**
      * Gets the {@code max} property.
      * @return the {@code max} property
      */
     @JsxGetter
     public String getMax() {
         return getDomNodeOrDie().getAttributeDirect("max");
     }
 
     /**
      * Sets the {@code max} property.
      * @param max the {@code max} property
      */
     @JsxSetter
     public void setMax(final String max) {
         getDomNodeOrDie().setAttribute("max", max);
     }
 
     /**
      * Gets the {@code step} property.
      * @return the {@code step} property
      */
     @JsxGetter
     public String getStep() {
         return getDomNodeOrDie().getAttributeDirect("step");
     }
 
     /**
      * Sets the {@code step} property.
      * @param step the {@code step} property
      */
     @JsxSetter
     public void setStep(final String step) {
         getDomNodeOrDie().setAttribute("step", step);
     }
 
     /**
      * Gets the value of {@code readOnly} attribute.
      * @return the readOnly attribute
      */
     @JsxGetter
     public boolean isReadOnly() {
         return getDomNodeOrDie().isReadOnly();
     }
 
     /**
      * Sets the value of {@code readOnly} attribute.
      * @param readOnly the new value
      */
     @JsxSetter
     public void setReadOnly(final boolean readOnly) {
         getDomNodeOrDie().setReadOnly(readOnly);
     }
 
     /**
      * Sets the selected portion of this input element.
      * @param start the index of the first character to select
      * @param end the index of the character after the selection
      */
     @JsxFunction
     public void setSelectionRange(final int start, final int end) {
         setSelectionStart(start);
         setSelectionEnd(end);
     }
 
     /**
      * Returns the value of the {@code alt} property.
      * @return the value of the {@code alt} property
      */
     @JsxGetter
     public String getAlt() {
         return getDomNodeOrDie().getAttributeDirect("alt");
     }
 
     /**
      * Returns the value of the {@code alt} property.
      * @param alt the value
      */
     @JsxSetter
     public void setAlt(final String alt) {
         getDomNodeOrDie().setAttribute("alt", alt);
     }
 
     /**
      * Returns the value of the {@code align} property.
      * @return the value of the {@code align} property
      */
     @JsxGetter
     public String getAlign() {
         return getAlign(true);
     }
 
     /**
      * Sets the value of the {@code align} property.
      * @param align the value of the {@code align} property
      */
     @JsxSetter
     public void setAlign(final String align) {
         setAlign(align, false);
     }
 
     /**
      * Returns the value of the {@code src} attribute.
      * @return the value of the {@code src} attribute
      */
     @JsxGetter
     public String getSrc() {
         return getDomNodeOrDie().getSrc();
     }
 
     /**
      * Sets the value of the {@code src} attribute.
      * @param src the new value
      */
     @JsxSetter
     public void setSrc(final String src) {
         getDomNodeOrDie().setSrcAttribute(src);
     }
 
     /**
      * Returns the value of the JavaScript attribute {@code value}.
      *
      * @return the value of this attribute
      */
     @JsxGetter
     @Override
     public String getValue() {
         final HtmlInput htmlInput = getDomNodeOrDie();
 
         if (htmlInput instanceof HtmlNumberInput) {
             final String valueAttr = htmlInput.getValue();
             if (!valueAttr.isEmpty()) {
                 if (org.htmlunit.util.StringUtils.equalsChar('-', valueAttr)
                         || org.htmlunit.util.StringUtils.equalsChar('+', valueAttr)) {
                     return "";
                 }
 
                 final int lastPos = valueAttr.length() - 1;
                 if (lastPos >= 0 && valueAttr.charAt(lastPos) == '.') {
                     if (htmlInput.hasFeature(JS_INPUT_NUMBER_DOT_AT_END_IS_DOUBLE)) {
                         return "";
                     }
                 }
                 try {
                     Double.parseDouble(valueAttr);
                 }
                 catch (final NumberFormatException e) {
                     return "";
                 }
             }
         }
 
         return htmlInput.getValue();
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getAttribute(final String attributeName) {
         final String superAttribute = super.getAttribute(attributeName);
         if (DomElement.VALUE_ATTRIBUTE.equalsIgnoreCase(attributeName)) {
             if ((superAttribute == null || !superAttribute.isEmpty())
                     && getDefaultValue().isEmpty()) {
                 return null;
             }
             if (!"file".equals(getType())) {
                 return getDefaultValue();
             }
         }
         return superAttribute;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void click() throws IOException {
         final HtmlInput domNode = getDomNodeOrDie();
         final boolean originalState = domNode.isChecked();
 
         domNode.click(false, false, false, false, false, true, false);
 
         final boolean newState = domNode.isChecked();
 
         if (originalState != newState
                 && (domNode instanceof HtmlRadioButtonInput || domNode instanceof HtmlCheckBoxInput)) {
             domNode.fireEvent(Event.TYPE_CHANGE);
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     protected boolean isEndTagForbidden() {
         return true;
     }
 
     /**
      * Returns the {@code required} property.
      * @return the {@code required} property
      */
     @JsxGetter
     public boolean isRequired() {
         return getDomNodeOrDie().isRequired();
     }
 
     /**
      * Sets the {@code required} property.
      * @param required the new value
      */
     @JsxSetter
     public void setRequired(final boolean required) {
         getDomNodeOrDie().setRequired(required);
     }
 
     /**
      * Returns the {@code size} attribute.
      * @return the {@code size} attribute
      */
     @JsxGetter
     public String getSize() {
         return getDomNodeOrDie().getSize();
     }
 
     /**
      * Sets the {@code size} attribute.
      * @param size the new {@code size} value
      */
     @JsxSetter
     public void setSize(final String size) {
         getDomNodeOrDie().setSize(size);
     }
 
     /**
      * Returns the {@code accept} attribute.
      * @return the {@code accept} attribute
      */
     @JsxGetter
     public String getAccept() {
         return getDomNodeOrDie().getAccept();
     }
 
     /**
      * Sets the {@code accept} attribute.
      * @param accept the new {@code accept} value
      */
     @JsxSetter
     public void setAccept(final String accept) {
         getDomNodeOrDie().setAccept(accept);
     }
 
     /**
      * Returns the {@code autocomplete} attribute.
      * @return the {@code autocomplete} attribute
      */
     @JsxGetter
     public String getAutocomplete() {
         return getDomNodeOrDie().getAutocomplete();
     }
 
     /**
      * Sets the {@code autocomplete} attribute.
      * @param autocomplete the new {@code autocomplete} value
      */
     @JsxSetter
     public void setAutocomplete(final String autocomplete) {
         getDomNodeOrDie().setAutocomplete(autocomplete);
     }
 
     /**
      * Returns the {@code files} property.
      * @return the {@code files} property
      */
     @JsxGetter
     public FileList getFiles() {
         final HtmlInput htmlInput = getDomNodeOrDie();
         if (htmlInput instanceof HtmlFileInput) {
             final FileList list = new FileList(((HtmlFileInput) htmlInput).getFiles());
             list.setParentScope(getParentScope());
             list.setPrototype(getPrototype(list.getClass()));
             return list;
         }
         return null;
     }
 
     /**
      * Returns the {@code placeholder} attribute.
      * @return the {@code placeholder} attribute
      */
     @JsxGetter
     public String getPlaceholder() {
         return getDomNodeOrDie().getPlaceholder();
     }
 
     /**
      * Sets the {@code placeholder} attribute.
      * @param placeholder the new {@code placeholder} value
      */
     @JsxSetter
     public void setPlaceholder(final String placeholder) {
         getDomNodeOrDie().setPlaceholder(placeholder);
     }
 
     /**
      * Returns the {@code width} property.
      * @return the {@code width} property
      */
     @JsxGetter
     public int getWidth() {
         final String value = getDomNodeOrDie().getAttributeDirect("width");
         final Integer intValue = HTMLCanvasElement.getValue(value);
         if (intValue != null) {
             return intValue;
         }
         return 0;
     }
 
     /**
      * Sets the {@code width} property.
      * @param width the {@code width} property
      */
     @JsxSetter
     public void setWidth(final int width) {
         getDomNodeOrDie().setAttribute("width", Integer.toString(width));
     }
 
     /**
      * Returns the {@code height} property.
      * @return the {@code height} property
      */
     @JsxGetter
     public int getHeight() {
         final String value = getDomNodeOrDie().getAttributeDirect("height");
         final Integer intValue = HTMLCanvasElement.getValue(value);
         if (intValue != null) {
             return intValue;
         }
         return 0;
     }
 
     /**
      * Sets the {@code height} property.
      * @param height the {@code height} property
      */
     @JsxSetter
     public void setHeight(final int height) {
         getDomNodeOrDie().setAttribute("height", Integer.toString(height));
     }
 
     /**
      * Returns the labels associated with the element.
      * @return the labels associated with the element
      */
     @JsxGetter
     public NodeList getLabels() {
         if (labels_ == null) {
             labels_ = new LabelsNodeList(getDomNodeOrDie());
         }
         return labels_;
     }
 
     /**
      * Checks whether the element has any constraints and whether it satisfies them.
      * @return if the element is valid
      */
     @JsxFunction
     public boolean checkValidity() {
         return getDomNodeOrDie().isValid();
     }
 
     /**
      * {@inheritDoc}
      */
     @JsxGetter
     @Override
     public String getName() {
         return super.getName();
     }
 
     /**
      * {@inheritDoc}
      */
     @JsxSetter
     @Override
     public void setName(final String newName) {
         super.setName(newName);
     }
 
     /**
      * {@inheritDoc} Overridden to modify browser configurations.
      */
     @Override
     @JsxGetter
     public boolean isDisabled() {
         return super.isDisabled();
     }
 
     /**
      * {@inheritDoc} Overridden to modify browser configurations.
      */
     @Override
     @JsxSetter
     public void setDisabled(final boolean disabled) {
         super.setDisabled(disabled);
     }
 
     /**
      * {@inheritDoc}
      */
     @JsxGetter
     @Override
     public HTMLFormElement getForm() {
         return super.getForm();
     }
 
     /**
      * @return a ValidityState with the validity states that this element is in.
      */
     @JsxGetter
     public ValidityState getValidity() {
         final ValidityState validityState = new ValidityState();
         validityState.setPrototype(getPrototype(validityState.getClass()));
         validityState.setParentScope(getParentScope());
         validityState.setDomNode(getDomNodeOrDie());
         return validityState;
     }
 
     /**
      * @return whether the element is a candidate for constraint validation
      */
     @JsxGetter
     public boolean getWillValidate() {
         return getDomNodeOrDie().willValidate();
     }
 
     /**
      * Sets the custom validity message for the element to the specified message.
      * @param message the new message
      */
     @JsxFunction
     public void setCustomValidity(final String message) {
         getDomNodeOrDie().setCustomValidity(message);
     }
 
     /**
      * Returns the value of the property {@code formnovalidate}.
      * @return the value of this property
      */
     @JsxGetter
     public boolean isFormNoValidate() {
         return getDomNodeOrDie().isFormNoValidate();
     }
 
     /**
      * Sets the value of the property {@code formnovalidate}.
      * @param value the new value
      */
     @JsxSetter
     public void setFormNoValidate(final boolean value) {
         getDomNodeOrDie().setFormNoValidate(value);
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public DOMRectList getClientRects() {
         if ("hidden".equals(getType())) {
             final Window w = getWindow();
             final DOMRectList rectList = new DOMRectList();
             rectList.setParentScope(w);
             rectList.setPrototype(getPrototype(rectList.getClass()));
 
             return rectList;
         }
 
         return super.getClientRects();
     }
 }