/*
 * Copyright 2013-2022 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 org.springframework.cloud.netflix.eureka.server;

import java.util.Collections;
import java.util.Map;

import com.netflix.appinfo.InstanceInfo;
import com.netflix.discovery.converters.wrappers.CodecWrapper;
import com.netflix.eureka.resources.ServerCodecs;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.boot.test.web.server.LocalServerPort;
import org.springframework.cloud.netflix.eureka.server.ApplicationTests.Application;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;

import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;

@SpringBootTest(classes = Application.class, webEnvironment = RANDOM_PORT, properties = { "spring.jmx.enabled=true",
		"management.security.enabled=false", "management.endpoints.web.exposure.include=*" })
class ApplicationTests {

	private static final String BASE_PATH = new WebEndpointProperties().getBasePath();

	@LocalServerPort
	private int port = 0;

	@Autowired
	private ServerCodecs serverCodecs;

	@Test
	void catalogLoads() {
		@SuppressWarnings("rawtypes")
		ResponseEntity<Map> entity = new TestRestTemplate()
				.getForEntity("http://localhost:" + this.port + "/eureka/apps", Map.class);
		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
	}

	@Test
	void adminLoads() {
		HttpHeaders headers = new HttpHeaders();
		headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));

		@SuppressWarnings("rawtypes")
		ResponseEntity<Map> entity = new TestRestTemplate().exchange(
				"http://localhost:" + this.port + BASE_PATH + "/env", HttpMethod.GET,
				new HttpEntity<>("parameters", headers), Map.class);
		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
	}

	@Test
	void noDoubleSlashes() {
		String basePath = "http://localhost:" + this.port + "/";
		ResponseEntity<String> entity = new TestRestTemplate().getForEntity(basePath, String.class);
		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
		String body = entity.getBody();
		assertThat(body).isNotNull();
		assertThat(body.contains(basePath + "/")).as("basePath contains double slashes").isFalse();
	}

	@Test
	@Disabled // FIXME 4.0
	void cssParsedByLess() {
		String basePath = "http://localhost:" + this.port + "/eureka/css/wro.css";
		ResponseEntity<String> entity = new TestRestTemplate().getForEntity(basePath, String.class);
		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
		String body = entity.getBody();
		assertThat(body).isNotNull();
		assertThat(body.contains("spring-logo")).as("css wasn't preprocessed").isTrue();
	}

	@Test
	void customCodecWorks() throws Exception {
		assertThat(this.serverCodecs).as("serverCodecs is wrong type")
				.isInstanceOf(EurekaServerAutoConfiguration.CloudServerCodecs.class);
		CodecWrapper codec = this.serverCodecs.getFullJsonCodec();
		assertThat(codec).as("codec is wrong type").isInstanceOf(CloudJacksonJson.class);

		InstanceInfo instanceInfo = InstanceInfo.Builder.newBuilder().setAppName("fooapp").add("instanceId", "foo")
				.build();
		String encoded = codec.encode(instanceInfo);
		InstanceInfo decoded = codec.decode(encoded, InstanceInfo.class);
		assertThat(decoded.getInstanceId()).as("instanceId was wrong").isEqualTo("foo");
	}

	@Configuration(proxyBeanMethods = false)
	@EnableAutoConfiguration
	@EnableEurekaServer
	protected static class Application {

	}

}
