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.causeway.viewer.restfulobjects.rendering.service.swagger.internal;
  
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.causeway.applib.services.swagger.Format;
  import org.apache.causeway.applib.services.swagger.Visibility;
  import org.apache.causeway.core.metamodel.specloader.SpecificationLoader;
  import org.apache.causeway.viewer.restfulobjects.applib.CausewayModuleViewerRestfulObjectsApplib;
  
  import io.swagger.v3.core.util.Json;
  import io.swagger.v3.core.util.Yaml;
  import io.swagger.v3.oas.models.OpenAPI;
  
  @Component
  @Named(CausewayModuleViewerRestfulObjectsApplib.NAMESPACE + ".OpenApiSpecGenerator")
  public class OpenApiSpecGenerator {
  
      private final SpecificationLoader specificationLoader;
      private final Tagger tagger;
      private final ClassExcluder classExcluder;
      private final ValueSchemaFactory valuePropertyFactory;
  
      @Inject
      public OpenApiSpecGenerator(
              final SpecificationLoader specificationLoader,
              final Tagger tagger,
              final ClassExcluder classExcluder,
              final ValueSchemaFactory valuePropertyFactory) {
          this.specificationLoader = specificationLoader;
          this.tagger = tagger;
          this.classExcluder = classExcluder;
          this.valuePropertyFactory = valuePropertyFactory;
      }
  
      public String generate(
              final String basePath,
              final Visibility visibility,
              final Format format) {
  
          final _OpenApiModelFactory generation = newGeneration(basePath, visibility);
          final OpenAPI swagger = generation.generate();
  
          switch (format) {
          case JSON:
              return Json.pretty(swagger);
          case YAML:
              try {
                  return Yaml.pretty().writeValueAsString(swagger);
              } catch (JsonProcessingException e) {
                  throw new RuntimeException(e);
              }
          default:
              throw new IllegalArgumentException("Unrecognized format: " + format);
          }
      }
  
      protected _OpenApiModelFactory newGeneration(final String basePath, final Visibility visibility) {
          return new _OpenApiModelFactory(
                  basePath, visibility,
                  specificationLoader,
                  tagger,
                  classExcluder,
                  valuePropertyFactory);
      }
  
  }
  