content: /*
   * 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.camel.karavan.generator;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.kamelets.catalog.KameletsCatalog;
  import org.apache.camel.v1.Kamelet;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Paths;
  import java.nio.file.StandardCopyOption;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.stream.Collectors;
  
  public class KameletGenerator extends AbstractGenerator {
  
      public KameletGenerator(String rootPath) {
          super(rootPath);
      }
  
      public static void generate(String rootPath, String... paths) throws Exception {
          KameletGenerator g = new KameletGenerator(rootPath);
          for (String path : paths) {
              g.createKamelets(path + "/metadata", true);
          }
      }
  
      public void createKamelets(String folder, boolean singleFile) {
          StringBuilder list = new StringBuilder();
          StringBuilder sources = new StringBuilder();
  
          var kamelets = listResources("/kamelets/").stream().sorted().toList();
          for (int i = 0; i < kamelets.size() ; i++) {
              var fileName = kamelets.get(i);
              var name = fileName.replace(".kamelet.yaml", "");
              list.append(name).append("\n");
              if (singleFile) {
                  sources.append(readKamelet(fileName)).append(i != kamelets.size() - 1 ? "\n---\n": "\n");
              } else {
                  saveKamelet(folder, fileName);
              }
          }
  //        saveFile(folder, "kamelets.properties", list.toString());
          if (singleFile) {
              saveFile(folder, "kamelets.yaml", sources.toString());
          }
      }
  
      public String readKamelet(String fileName) {
          InputStream inputStream = KameletsCatalog.class.getResourceAsStream("/kamelets/" + fileName);
          return new BufferedReader(
                  new InputStreamReader(inputStream, StandardCharsets.UTF_8))
                  .lines()
                  .filter(s -> !s.startsWith("#"))
                  .collect(Collectors.joining("\n"));
      }
  
      public void saveKamelet(String folder, String fileName) {
          InputStream inputStream = KameletsCatalog.class.getResourceAsStream("/kamelets/" + fileName);
          try {
              File targetFile = Paths.get(folder, fileName).toFile();
              Files.copy(inputStream, targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
          } catch (IOException e) {
              e.printStackTrace();
          } finally {
              if (inputStream != null){
                  try {
                      inputStream.close();
                  } catch (Exception ex){
  
                  }
              }
          }
      }
  }
  