/*
 * Copyright 2025-2025 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.ai.mcp.server.autoconfigure;

import com.fasterxml.jackson.databind.ObjectMapper;
import io.modelcontextprotocol.server.transport.WebMvcSseServerTransportProvider;
import org.junit.jupiter.api.Test;

import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.web.servlet.function.RouterFunction;

import static org.assertj.core.api.Assertions.assertThat;

class McpWebMvcServerAutoConfigurationIT {

	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner().withConfiguration(
			AutoConfigurations.of(McpWebMvcServerAutoConfiguration.class, McpServerAutoConfiguration.class));

	@Test
	void defaultConfiguration() {
		this.contextRunner.run(context -> {
			assertThat(context).hasSingleBean(WebMvcSseServerTransportProvider.class);
			assertThat(context).hasSingleBean(RouterFunction.class);
		});
	}

	@Test
	void objectMapperConfiguration() {
		this.contextRunner.withBean(ObjectMapper.class, ObjectMapper::new).run(context -> {
			assertThat(context).hasSingleBean(WebMvcSseServerTransportProvider.class);
			assertThat(context).hasSingleBean(RouterFunction.class);
		});
	}

	@Test
	void stdioEnabledConfiguration() {
		this.contextRunner.withPropertyValues("spring.ai.mcp.server.stdio=true")
			.run(context -> assertThat(context).doesNotHaveBean(WebMvcSseServerTransportProvider.class));
	}

	@Test
	void serverDisableConfiguration() {
		this.contextRunner.withPropertyValues("spring.ai.mcp.server.enabled=false").run(context -> {
			assertThat(context).doesNotHaveBean(WebMvcSseServerTransportProvider.class);
			assertThat(context).doesNotHaveBean(RouterFunction.class);
		});
	}

	@Test
	void serverBaseUrlConfiguration() {
		this.contextRunner.withPropertyValues("spring.ai.mcp.server.base-url=/test")
			.run(context -> assertThat(context.getBean(WebMvcSseServerTransportProvider.class)).extracting("baseUrl")
				.isEqualTo("/test"));
	}

}
