/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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
    *
   *   http://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.apache.myfaces.renderkit.html.behavior;
  
  import javax.faces.component.UIComponent;
  import javax.faces.component.UIViewRoot;
  import javax.faces.component.behavior.AjaxBehavior;
  import javax.faces.component.behavior.ClientBehaviorHolder;
  import javax.faces.context.ResponseWriter;
  
  import org.apache.myfaces.shared.renderkit.html.HtmlResponseWriterImpl;
  import org.apache.myfaces.shared.util.FastWriter;
  import org.apache.myfaces.test.base.junit4.AbstractJsfTestCase;
  import org.apache.myfaces.test.config.ConfigParser;
  import org.apache.myfaces.test.mock.MockFacesContext22;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * @author Leonardo Uribe (latest modification by $Author$)
   * @version $Revision$ $Date$
   */
  public abstract class AbstractClientBehaviorTestCase extends AbstractJsfTestCase
  {
      protected ResponseWriter writer;
      protected FastWriter outputWriter; 
      protected ConfigParser parser;
      
      //protected abstract UIComponent getComponentToTest();
      
      protected abstract HtmlRenderedClientEventAttr[] getClientBehaviorHtmlRenderedAttributes();
      
      protected abstract UIComponent createComponentToTest();
  
      @Override
      protected void setUpJSFObjects() throws Exception
      {
          super.setUpJSFObjects();
          outputWriter = new FastWriter();
          writer = new HtmlResponseWriterImpl(outputWriter, null, null);
          facesContext.setResponseWriter(writer);
          facesContext.getAttributes().put("org.apache.myfaces.RENDERED_JSF_JS", true);
      }
      
      @Override
      protected void setUpApplication() throws Exception
      {
          super.setUpApplication();
      }
  
      @Override
      protected void setUpRenderKit() throws Exception
      {
          super.setUpRenderKit();
          parser = new ConfigParser();
          parser.parse(parser.getPlatformURLs());
          //parser.parse(this.getClass().getResource("/META-INF/faces-config.xml"));        
      }
  
      /**
       * Components that render client behaviors should always render "id" and "name" attribute
       */
      @Test
      public void testClientBehaviorHolderRendersIdAndName() 
      {
          HtmlRenderedClientEventAttr[] attrs = getClientBehaviorHtmlRenderedAttributes();
          
          for (int i = 0; i < attrs.length; i++)
          {
              UIComponent component = createComponentToTest();
              ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component;
              clientBehaviorHolder.addClientBehavior(attrs[i].getClientEvent(), new AjaxBehavior());
              try 
              {
                  component.encodeAll(facesContext);
                  String output = outputWriter.toString();
                  Assert.assertTrue(output.indexOf(" id=\""+component.getClientId(facesContext)+"\"") > -1);
                  Assert.assertTrue(output.indexOf(" name=\""+component.getClientId(facesContext)+"\"") > -1);
                  outputWriter.reset();
              }
              catch (Exception e)
              {
                  Assert.fail(e.getMessage());
             }
         }
     }
     
     @Test
     public void testClientBehaviorRendered() 
     {
         HtmlRenderedClientEventAttr[] attrs = getClientBehaviorHtmlRenderedAttributes();
         
         for (int i = 0; i < attrs.length; i++)
         {
             UIComponent component = createComponentToTest();
             
             if (!component.isInView())
             {
                 UIViewRoot root = facesContext.getViewRoot();
                 root.getChildren().add(component);
                 facesContext.setViewRoot(root);
                 root.getClientId(facesContext);
             }
 
             ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component;
             clientBehaviorHolder.addClientBehavior(attrs[i].getClientEvent(), new AjaxBehavior());
             try 
             {
                 component.encodeAll(facesContext);
                 String output = outputWriter.toString();
                 //jsf.ajax.request('j_id0',event,{'javax.faces.behavior.event':'click'})
                 //Only check if the property starts with jsf.ajax.request( is enough 
                 //Assert.assertTrue("output does not match expected output jsf.ajax.request(.... for property "+attrs[i].getName(),
                 //        output.matches(".+ "+attrs[i].getName()+"=\"jsf\\.ajax\\.request\\(.+"));
                 int index = checkClientBehaviorRenderedOnClientEventProperty(output, 0, attrs[i]);
                 outputWriter.reset();
             }
             catch (Exception e)
             {
                 Assert.fail(e.getMessage());
             }
         }
     }
     
     public int checkClientBehaviorRenderedOnClientEventProperty(String output, int start, HtmlRenderedClientEventAttr attr)
     {
         String propStart = " "+attr.getName()+"=\"";
         int propIndex = output.indexOf(propStart, start);
         if (propIndex > -1)
         {
             int c = '"';
             int startPropIndex = propIndex + propStart.length(); 
             int endPropIndex = output.indexOf('"' , startPropIndex );
             String propertyValue = output.substring(startPropIndex, endPropIndex);
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains("jsf.ajax.request("));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains("javax.faces.behavior.event"));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains(attr.getClientEvent()));
             return endPropIndex + 1;
         }
         else
         {
             Assert.fail("Property " + attr.getName() + "not found");
             return -1;
         }
     }
     
     @Test
     public void testClientBehaviorRenderedWithHtmlAttribute() 
     {
         HtmlRenderedClientEventAttr[] attrs = getClientBehaviorHtmlRenderedAttributes();
         
         for (int i = 0; i < attrs.length; i++)
         {
             UIComponent component = createComponentToTest();
             ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component;
             clientBehaviorHolder.addClientBehavior(attrs[i].getClientEvent(), new AjaxBehavior());
             component.getAttributes().put(attrs[i].getName(), "htmlValue");
             try 
             {
                 component.encodeAll(facesContext);
                 String output = outputWriter.toString();
                 //jsf.ajax.request('j_id0',event,{'javax.faces.behavior.event':'click'})
                 //Only check if the property starts with jsf.ajax.request( is enough 
                 //Assert.assertTrue("output does not match expected output jsf.ajax.request(.... for property "+attrs[i].getName(),
                 //        output.matches(".+ "+attrs[i].getName()+"=\"jsf\\.ajax\\.request\\(.+"));
                 int index = checkClientBehaviorRenderedOnClientEventPropertyAndHtmlValue(output, 0, attrs[i], "htmlValue");
                 outputWriter.reset();
             }
             catch (Exception e)
             {
                 Assert.fail(e.getMessage());
             }
         }
     }
     
     public int checkClientBehaviorRenderedOnClientEventPropertyAndHtmlValue(String output, int start, HtmlRenderedClientEventAttr attr, String value)
     {
         String propStart = " "+attr.getName()+"=\"";
         int propIndex = output.indexOf(propStart, start);
         if (propIndex > -1)
         {
             int c = '"';
             int startPropIndex = propIndex + propStart.length(); 
             int endPropIndex = output.indexOf('"' , startPropIndex );
             String propertyValue = output.substring(startPropIndex, endPropIndex);
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.startsWith("jsf.util.chain("));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains("jsf.ajax.request("));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains("javax.faces.behavior.event"));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains(attr.getClientEvent()));
             Assert.assertTrue("Property: " + attr.getName()+" Output: "+output, propertyValue.contains(value));
             return endPropIndex + 1;
         }
         else
         {
             Assert.fail("Property " + attr.getName() + "not found"+" Output: "+output);
             return -1;
         }
     }
 }