/*
 * Copyright 2012-2018 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
 *
 *      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.springframework.boot.actuate.autoconfigure.security.servlet;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;

import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.model.Resource;
import org.junit.Test;

import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
import org.springframework.boot.actuate.endpoint.http.ActuatorMediaType;
import org.springframework.boot.actuate.endpoint.invoke.convert.ConversionServiceParameterValueMapper;
import org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver;
import org.springframework.boot.actuate.endpoint.web.EndpointMapping;
import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes;
import org.springframework.boot.actuate.endpoint.web.PathMapper;
import org.springframework.boot.actuate.endpoint.web.annotation.WebEndpointDiscoverer;
import org.springframework.boot.actuate.endpoint.web.jersey.JerseyEndpointResourceFactory;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfiguration;
import org.springframework.boot.autoconfigure.jersey.ResourceConfigCustomizer;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityRequestMatcherProviderAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.UserDetailsServiceAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.context.FilteredClassLoader;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.web.reactive.server.WebTestClient;

/**
 * Integration tests for {@link EndpointRequest} with Jersey.
 *
 * @author Madhura Bhave
 */
public class JerseyEndpointRequestIntegrationTests
		extends AbstractEndpointRequestIntegrationTests {

	@Override
	protected WebApplicationContextRunner getContextRunner() {
		return new WebApplicationContextRunner(
				AnnotationConfigServletWebServerApplicationContext::new)
						.withClassLoader(new FilteredClassLoader(
								"org.springframework.web.servlet.DispatcherServlet"))
						.withUserConfiguration(JerseyEndpointConfiguration.class,
								SecurityConfiguration.class, BaseConfiguration.class)
						.withConfiguration(AutoConfigurations.of(
								SecurityAutoConfiguration.class,
								UserDetailsServiceAutoConfiguration.class,
								SecurityRequestMatcherProviderAutoConfiguration.class,
								JacksonAutoConfiguration.class,
								JerseyAutoConfiguration.class));
	}

	@Test
	public void toLinksWhenApplicationPathSetShouldMatch() {
		getContextRunner().withPropertyValues("spring.jersey.application-path=/admin")
				.run((context) -> {
					WebTestClient webTestClient = getWebTestClient(context);
					webTestClient.get().uri("/admin/actuator/").exchange().expectStatus()
							.isOk();
					webTestClient.get().uri("/admin/actuator").exchange().expectStatus()
							.isOk();
				});
	}

	@Test
	public void toEndpointWhenApplicationPathSetShouldMatch() {
		getContextRunner().withPropertyValues("spring.jersey.application-path=/admin")
				.run((context) -> {
					WebTestClient webTestClient = getWebTestClient(context);
					webTestClient.get().uri("/admin/actuator/e1").exchange()
							.expectStatus().isOk();
				});
	}

	@Test
	public void toAnyEndpointWhenApplicationPathSetShouldMatch() {
		getContextRunner().withPropertyValues("spring.jersey.application-path=/admin",
				"spring.security.user.password=password").run((context) -> {
					WebTestClient webTestClient = getWebTestClient(context);
					webTestClient.get().uri("/admin/actuator/e2").exchange()
							.expectStatus().isUnauthorized();
					webTestClient.get().uri("/admin/actuator/e2")
							.header("Authorization", getBasicAuth()).exchange()
							.expectStatus().isOk();
				});
	}

	@Configuration
	@EnableConfigurationProperties(WebEndpointProperties.class)
	static class JerseyEndpointConfiguration {

		private final ApplicationContext applicationContext;

		JerseyEndpointConfiguration(ApplicationContext applicationContext) {
			this.applicationContext = applicationContext;
		}

		@Bean
		public TomcatServletWebServerFactory tomcat() {
			return new TomcatServletWebServerFactory(0);
		}

		@Bean
		public ResourceConfig resourceConfig() {
			return new ResourceConfig();
		}

		@Bean
		public ResourceConfigCustomizer webEndpointRegistrar() {
			return this::customize;
		}

		private void customize(ResourceConfig config) {
			List<String> mediaTypes = Arrays.asList(
					javax.ws.rs.core.MediaType.APPLICATION_JSON,
					ActuatorMediaType.V2_JSON);
			EndpointMediaTypes endpointMediaTypes = new EndpointMediaTypes(mediaTypes,
					mediaTypes);
			WebEndpointDiscoverer discoverer = new WebEndpointDiscoverer(
					this.applicationContext, new ConversionServiceParameterValueMapper(),
					endpointMediaTypes, PathMapper.useEndpointId(),
					Collections.emptyList(), Collections.emptyList());
			Collection<Resource> resources = new JerseyEndpointResourceFactory()
					.createEndpointResources(new EndpointMapping("/actuator"),
							discoverer.getEndpoints(), endpointMediaTypes,
							new EndpointLinksResolver(discoverer.getEndpoints()));
			config.registerResources(new HashSet<>(resources));
		}

	}

}
