/*
    * 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.calculator;
  
  import java.io.IOException;
  
  import javax.faces.FacesException;
  import javax.faces.component.UIComponent;
  import javax.faces.component.UIInput;
  import javax.faces.context.FacesContext;
  
  import org.primefaces.expression.SearchExpressionUtils;
  import org.primefaces.extensions.util.ExtLangUtils;
  import org.primefaces.renderkit.CoreRenderer;
  import org.primefaces.util.ComponentUtils;
  import org.primefaces.util.WidgetBuilder;
  
  /**
   * Renderer for the {@link Calculator} component.
   *
   * @author Melloware mellowaredev@gmail.com
   * @since 6.1
   */
  public class CalculatorRenderer 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 Calculator calculator = (Calculator) component;
          encodeScript(context, calculator);
      }
  
      private void encodeScript(final FacesContext context, final Calculator calculator) throws IOException {
          String target = SearchExpressionUtils.resolveClientIdsForClientSide(context, calculator, calculator.getFor());
          if (isValueBlank(target)) {
              target = calculator.getParent().getClientId(context);
          }
  
          final UIComponent targetComponent = SearchExpressionUtils.resolveComponent(target, calculator);
          if (!(targetComponent instanceof UIInput)) {
              throw new FacesException("Calculator must use for=\"target\" or be nested inside an input!");
          }
  
          final WidgetBuilder wb = getWidgetBuilder(context);
          wb.init("ExtCalculator", calculator);
          wb.attr("target", target);
          wb.attr("showOn", ExtLangUtils.lowerCase(calculator.getShowOn()));
          wb.attr("layout", ExtLangUtils.lowerCase(calculator.getLayout()));
          wb.attr("precision", calculator.getPrecision());
          wb.attr("locale", calculator.calculateLocale().toString());
          wb.attr("isRTL", ComponentUtils.isRTL(context, calculator));
          wb.attr("calculatorClass", calculator.getStyleClass());
  
          if (calculator.getOnopen() != null) {
              // Define a callback function before the panel is opened
              wb.callback("onOpen", "function(value, inst)", calculator.getOnopen());
          }
          if (calculator.getOnclose() != null) {
              // Define a callback function when the panel is closed
              wb.callback("onClose", "function(value, inst)", calculator.getOnclose());
          }
          if (calculator.getOnbutton() != null) {
              // Define a callback function when a button is activated
              wb.callback("onButton", "function(label, value, inst)", calculator.getOnbutton());
          }
  
          encodeClientBehaviors(context, calculator);
  
          wb.finish();
      }
  
  }