/*
 * Copyright 2002-2020 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 sample;

import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.AfterClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import sample.config.SecurityConfig;
import sample.web.OAuth2WebClientController;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
import org.springframework.security.oauth2.client.web.HttpSessionOAuth2AuthorizedClientRepository;
import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.web.reactive.function.client.WebClient;

import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.oauth2Client;
import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.oauth2Login;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

@WebMvcTest
@Import({ SecurityConfig.class, OAuth2WebClientController.class })
@AutoConfigureMockMvc
@RunWith(SpringRunner.class)
public class OAuth2WebClientControllerTests {
	private static MockWebServer web = new MockWebServer();

	@Autowired
	private MockMvc mockMvc;

	@MockBean
	ClientRegistrationRepository clientRegistrationRepository;

	@AfterClass
	public static void shutdown() throws Exception {
		web.shutdown();
	}

	@Test
	public void explicitWhenAuthenticatedThenUsesClientIdRegistration() throws Exception {
		web.enqueue(new MockResponse().setBody("body").setResponseCode(200));
		this.mockMvc.perform(get("/webclient/explicit")
				.with(oauth2Login())
				.with(oauth2Client("client-id")))
				.andExpect(status().isOk());
	}

	@Test
	public void implicitWhenAuthenticatedThenUsesDefaultRegistration() throws Exception {
		web.enqueue(new MockResponse().setBody("body").setResponseCode(200));
		this.mockMvc.perform(get("/webclient/implicit")
				.with(oauth2Login()))
				.andExpect(status().isOk());
	}

	@Test
	public void publicExplicitWhenAuthenticatedThenUsesClientIdRegistration() throws Exception {
		web.enqueue(new MockResponse().setBody("body").setResponseCode(200));
		this.mockMvc.perform(get("/public/webclient/explicit")
				.with(oauth2Client("client-id")))
				.andExpect(status().isOk());
	}

	@Test
	public void publicImplicitWhenAuthenticatedThenUsesDefaultRegistration() throws Exception {
		web.enqueue(new MockResponse().setBody("body").setResponseCode(200));
		this.mockMvc.perform(get("/public/webclient/implicit")
				.with(oauth2Login()))
				.andExpect(status().isOk());
	}

	@Configuration
	static class WebClientConfig {
		@Bean
		WebClient web() {
			return WebClient.create(web.url("/").toString());
		}

		@Bean
		OAuth2AuthorizedClientRepository authorizedClientRepository() {
			return new HttpSessionOAuth2AuthorizedClientRepository();
		}
	}
}