/*
 * Copyright 2020 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 example;

import java.util.function.Consumer;

import org.junit.jupiter.api.Test;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.reactive.AutoConfigureWebTestClient;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpHeaders;
import org.springframework.test.web.reactive.server.WebTestClient;

import static org.hamcrest.Matchers.containsString;

/**
 * Integration tests for resource server.
 *
 * @author Rob Winch
 * @since 5.1
 */
@SpringBootTest
@AutoConfigureWebTestClient
public class ServerOAuth2ResourceServerApplicationITests {

	Consumer<HttpHeaders> noScopesToken = (http) -> http.setBearerAuth(
			"eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJzdWJqZWN0IiwiZXhwIjo0NjgzODA1MTI4fQ.ULEPdHG-MK5GlrTQMhgqcyug2brTIZaJIrahUeq9zaiwUSdW83fJ7W1IDd2Z3n4a25JY2uhEcoV95lMfccHR6y_2DLrNvfta22SumY9PEDF2pido54LXG6edIGgarnUbJdR4rpRe_5oRGVa8gDx8FnuZsNv6StSZHAzw5OsuevSTJ1UbJm4UfX3wiahFOQ2OI6G-r5TB2rQNdiPHuNyzG5yznUqRIZ7-GCoMqHMaC-1epKxiX8gYXRROuUYTtcMNa86wh7OVDmvwVmFioRcR58UWBRoO1XQexTtOQq_t8KYsrPZhb9gkyW8x2bAQF-d0J0EJY8JslaH6n4RBaZISww");

	Consumer<HttpHeaders> messageReadToken = (http) -> http.setBearerAuth(
			"eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJzdWJqZWN0Iiwic2NvcGUiOiJtZXNzYWdlOnJlYWQiLCJleHAiOjQ2ODM4MDUxNDF9.h-j6FKRFdnTdmAueTZCdep45e6DPwqM68ZQ8doIJ1exi9YxAlbWzOwId6Bd0L5YmCmp63gGQgsBUBLzwnZQ8kLUgUOBEC3UzSWGRqMskCY9_k9pX0iomX6IfF3N0PaYs0WPC4hO1s8wfZQ-6hKQ4KigFi13G9LMLdH58PRMK0pKEvs3gCbHJuEPw-K5ORlpdnleUTQIwINafU57cmK3KocTeknPAM_L716sCuSYGvDl6xUTXO7oPdrXhS_EhxLP6KxrpI1uD4Ea_5OWTh7S0Wx5LLDfU6wBG1DowN20d374zepOIEkR-Jnmr_QlR44vmRqS5ncrF-1R0EGcPX49U6A");

	@Autowired
	private WebTestClient rest;

	@Test
	void getWhenValidBearerTokenThenAllows() {
		// @formatter:off
		this.rest.get().uri("/")
			.headers(this.noScopesToken)
			.exchange()
			.expectStatus().isOk()
			.expectBody(String.class).isEqualTo("Hello, subject!");
		// @formatter:on
	}

	// -- tests with scopes

	@Test
	void getWhenValidBearerTokenThenScopedRequestsAlsoWork() {
		// @formatter:off
		this.rest.get().uri("/message")
			.headers(this.messageReadToken)
			.exchange()
			.expectStatus().isOk()
			.expectBody(String.class).isEqualTo("secret message");
		// @formatter:on
	}

	@Test
	void getWhenInsufficientlyScopedBearerTokenThenDeniesScopedMethodAccess() {
		// @formatter:off
		this.rest.get().uri("/message")
			.headers(this.noScopesToken)
			.exchange()
			.expectStatus().isForbidden()
			.expectHeader().value(HttpHeaders.WWW_AUTHENTICATE, containsString("Bearer error=\"insufficient_scope\""));
		// @formatter:on
	}

}