/*
    * 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.tobago.internal.renderkit.renderer;
  
  import org.apache.myfaces.tobago.internal.config.AbstractTobagoTestBase;
  
  import java.io.BufferedReader;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.util.stream.Collectors;
  
  public abstract class RendererTestBase extends AbstractTobagoTestBase {
  
    protected String formattedResult() throws IOException {
      return format1To2Indent(getLastWritten());
    }
  
    protected String loadHtml(final String fileName) throws IOException {
      final ClassLoader classLoader = ClassLoader.getSystemClassLoader();
      try (InputStream is = classLoader.getResourceAsStream(fileName)) {
        if (is == null) {
          throw new FileNotFoundException(fileName);
        }
        try (final InputStreamReader isr = new InputStreamReader(is);
             final BufferedReader reader = new BufferedReader(isr)) {
          return reader.lines().collect(Collectors.joining(System.lineSeparator()))
              .replaceAll("<!--[^>]*-->", "")
              .replaceAll("^\n\n", "");
        }
      }
    }
  
    protected String format1To2Indent(final String xml) {
      return xml.replaceAll("^\n", "")
      .replaceAll("\n <", "\n\t<")
      .replaceAll("\n  <", "\n\t\t<")
      .replaceAll("\n   <", "\n\t\t\t<")
      .replaceAll("\n    <", "\n\t\t\t\t<")
      .replaceAll("\n     <", "\n\t\t\t\t\t<")
      .replaceAll("\n      <", "\n\t\t\t\t\t\t<")
      .replaceAll("\n       <", "\n\t\t\t\t\t\t\t<")
          .replaceAll("\t", "  ");
    }
  }