content: /*
   * Copyright 2012-2019 the original author or authors.
   *
   * Licensed 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
   *
   *      https://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 io.spring.start.site.extension.code.kotlin;
  
  import java.util.Map;
  
  import io.spring.initializr.generator.buildsystem.Build;
  import io.spring.initializr.generator.buildsystem.Dependency;
  import io.spring.initializr.generator.project.ProjectDescription;
  import io.spring.initializr.generator.spring.build.BuildMetadataResolver;
  import io.spring.initializr.generator.spring.documentation.HelpDocument;
  import io.spring.initializr.metadata.InitializrMetadata;
  import io.spring.initializr.versionresolver.DependencyManagementVersionResolver;
  
  /**
   * A project customizer for Kotlin Coroutines.
   *
   * @author Stephane Nicoll
   */
  public class KotlinCoroutinesCustomizer {
  
  	private final BuildMetadataResolver buildResolver;
  
  	private final ProjectDescription description;
  
  	private final DependencyManagementVersionResolver versionResolver;
  
  	public KotlinCoroutinesCustomizer(InitializrMetadata metadata, ProjectDescription description,
  			DependencyManagementVersionResolver versionResolver) {
  		this.buildResolver = new BuildMetadataResolver(metadata);
  		this.description = description;
  		this.versionResolver = versionResolver;
  	}
  
  	public void customize(Build build) {
  		if (hasReactiveFacet(build)) {
  			build.dependencies().add("kotlinx-coroutines-reactor",
  					Dependency.withCoordinates("org.jetbrains.kotlinx", "kotlinx-coroutines-reactor"));
  		}
  	}
  
  	public void customize(HelpDocument document, Build build) {
  		if (hasReactiveFacet(build)) {
  			Map<String, String> resolve = this.versionResolver.resolve("org.springframework.boot",
  					"spring-boot-dependencies", this.description.getPlatformVersion().toString());
  			String frameworkVersion = resolve.get("org.springframework:spring-core");
  			String versionToUse = (frameworkVersion != null) ? frameworkVersion : "current";
  			String href = String.format(
  					"https://docs.spring.io/spring/docs/%s/spring-framework-reference/languages.html#coroutines",
  					versionToUse);
  			document.gettingStarted().addReferenceDocLink(href,
  					"Coroutines section of the Spring Framework Documentation");
  		}
  	}
  
  	private boolean hasReactiveFacet(Build build) {
  		return this.buildResolver.hasFacet(build, "reactive");
  	}
  
  }
  