/*
    * Copyright (c) 2011-2024 PrimeFaces Extensions
    *
    *  Permission is hereby granted, free of charge, to any person obtaining a copy
    *  of this software and associated documentation files (the "Software"), to deal
    *  in the Software without restriction, including without limitation the rights
    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    *  copies of the Software, and to permit persons to whom the Software is
    *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *  THE SOFTWARE.
   */
  package org.primefaces.extensions.component.codescanner;
  
  import java.io.IOException;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.faces.context.ResponseWriter;
  
  import org.primefaces.component.api.InputHolder;
  import org.primefaces.expression.SearchExpressionUtils;
  import org.primefaces.extensions.util.Attrs;
  import org.primefaces.renderkit.CoreRenderer;
  import org.primefaces.util.WidgetBuilder;
  
  /**
   * Renderer for the {@link CodeScanner} component.
   *
   * @author Jasper de Vries <jepsar@gmail.com>
   * @since 10.0
   */
  public class CodeScannerRenderer extends CoreRenderer {
  
      @Override
      public void decode(final FacesContext context, final UIComponent component) {
          decodeBehaviors(context, component);
      }
  
      @Override
      public void encodeEnd(final FacesContext context, final UIComponent component) throws IOException {
          final CodeScanner codeScanner = (CodeScanner) component;
          encodeMarkup(context, codeScanner);
          encodeScript(context, codeScanner);
      }
  
      protected void encodeMarkup(final FacesContext context, final CodeScanner codeScanner) throws IOException {
          final ResponseWriter writer = context.getResponseWriter();
          final String clientId = codeScanner.getClientId(context);
          final String styleClass = getStyleClassBuilder(context)
                      .add(CodeScanner.STYLE_CLASS)
                      .add(codeScanner.getStyleClass())
                      .build();
          writer.startElement("span", codeScanner);
          writer.writeAttribute("id", clientId, null);
          writer.writeAttribute(Attrs.CLASS, styleClass, "styleClass");
  
          if (codeScanner.getStyle() != null) {
              writer.writeAttribute(Attrs.STYLE, codeScanner.getStyle(), Attrs.STYLE);
          }
  
          if (codeScanner.isVideo()) {
              encodeVideo(context, codeScanner);
          }
  
          writer.endElement("span");
      }
  
      protected void encodeVideo(final FacesContext context, final CodeScanner codeScanner) throws IOException {
          final ResponseWriter writer = context.getResponseWriter();
          writer.startElement("video", null);
          if (codeScanner.getWidth() != null) {
              writer.writeAttribute("width", codeScanner.getWidth(), null);
          }
          if (codeScanner.getHeight() != null) {
              writer.writeAttribute("height", codeScanner.getHeight(), null);
          }
          writer.endElement("video");
      }
  
      protected void encodeScript(final FacesContext context, final CodeScanner codeScanner) throws IOException {
          final WidgetBuilder wb = getWidgetBuilder(context);
          wb.init("ExtCodeScanner", codeScanner)
                      .attr("type", codeScanner.getTypeEnum().name())
                      .attr("autoStart", codeScanner.isAutoStart());
          if (codeScanner.getDeviceId() != null) {
              wb.attr("deviceId", codeScanner.getDeviceId());
          }
          if (codeScanner.getFor() != null) {
              String forInputClientId = getForInputClientId(context, codeScanner);
             if (forInputClientId != null) {
                 wb.attr("forInput", forInputClientId);
             }
         }
         if (codeScanner.getOnsuccess() != null) {
             wb.callback("onsuccess", "function()", codeScanner.getOnsuccess());
         }
         if (codeScanner.getOnerror() != null) {
             wb.callback("onerror", "function()", codeScanner.getOnerror());
         }
 
         encodeClientBehaviors(context, codeScanner);
 
         wb.finish();
     }
 
     protected String getForInputClientId(final FacesContext context, final CodeScanner codeScanner) {
         UIComponent forComponent = SearchExpressionUtils.resolveComponent(codeScanner.getFor(), codeScanner);
         if (forComponent == null) {
             return null;
         }
         if (forComponent instanceof InputHolder) {
             return ((InputHolder) forComponent).getInputClientId();
         }
         return forComponent.getClientId(context);
     }
 
 }