/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.component.cxf.rest.springboot;


import java.util.ArrayList;
import java.util.List;

import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.cxf.common.CXFTestSupport;
import org.apache.camel.component.cxf.jaxrs.CxfRsEndpoint;
import org.apache.camel.component.cxf.spring.jaxrs.SpringJAXRSClientFactoryBean;
import org.apache.camel.component.cxf.spring.jaxrs.SpringJAXRSServerFactoryBean;
import org.apache.camel.spring.boot.CamelAutoConfiguration;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.fail;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.web.embedded.undertow.UndertowServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.annotation.DirtiesContext.ClassMode;
import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.jaxrs.AbstractJAXRSFactoryBean;
import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
import org.apache.cxf.spring.boot.autoconfigure.CxfAutoConfiguration;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;



@DirtiesContext(classMode = ClassMode.AFTER_EACH_TEST_METHOD)
@CamelSpringBootTest
@SpringBootTest(
    classes = {
        CamelAutoConfiguration.class,
        CxfRsRouterTest.class,
        CxfRsRouterTest.TestConfiguration.class,
        CxfAutoConfiguration.class
    }, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT
)
public class CxfRsRouterTest {
    
    private static final String PUT_REQUEST = "<Customer><name>Mary</name><id>123</id></Customer>";
    private static final String POST_REQUEST = "<Customer><name>Jack</name></Customer>";


    public int port = CXFTestSupport.getPort1();
    public int backendPort = CXFTestSupport.getPort2();
    
     
    private Server server;
    
    
    @Autowired
    CamelContext context;
    
    @BeforeEach
    public void setUp() throws Exception {
        JAXRSServerFactoryBean sfb = new SpringJAXRSServerFactoryBean();
        List<Object> serviceBeans = new ArrayList<Object>();
        serviceBeans.add(new org.apache.camel.component.cxf.jaxrs.testbean.CustomerService());
        sfb.setServiceBeans(serviceBeans);
        sfb.setAddress("http://localhost:" + backendPort + "/services/CxfRsRouterTest/rest");
        sfb.setStaticSubresourceResolution(true);
        server = sfb.create();
        server.start();
    }

    @AfterEach
    public void shutdown() throws Exception {
        if (server != null) {
            server.stop();
            server.destroy();
        }
    }
        
    
    @Test
    public void testEndpointUris() throws Exception {
        CxfRsEndpoint cxfRsEndpoint = context.getEndpoint("cxfrs://bean://rsServer", CxfRsEndpoint.class);
        assertEquals("cxfrs://bean://rsServer", cxfRsEndpoint.getEndpointUri(), "Get a wrong endpoint uri");

        cxfRsEndpoint = context.getEndpoint("cxfrs://bean://rsClient", CxfRsEndpoint.class);
        assertEquals("cxfrs://bean://rsClient", cxfRsEndpoint.getEndpointUri(), "Get a wrong endpoint uri");

    }

    @Test
    public void testGetCustomer() throws Exception {
        HttpGet get = new HttpGet("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers/123");
        get.addHeader("Accept", "application/json");
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(get);
            assertEquals(200, response.getStatusLine().getStatusCode());
            assertEquals("{\"Customer\":{\"id\":123,\"name\":\"John\"}}",
                    EntityUtils.toString(response.getEntity()));
        } finally {
            httpclient.close();
        }
    }

    @Test
    public void testGetCustomerWithQuery() throws Exception {
        HttpGet get = new HttpGet("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers?id=123");
        get.addHeader("Accept", "application/json");
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(get);
            assertEquals(200, response.getStatusLine().getStatusCode());
            assertEquals("{\"Customer\":{\"id\":123,\"name\":\"John\"}}",
                    EntityUtils.toString(response.getEntity()));
        } finally {
            httpclient.close();
        }
    }

    @Test
    public void testGetCustomers() throws Exception {
        HttpGet get = new HttpGet("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers/");
        get.addHeader("Accept", "application/xml");
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(get);
            assertEquals(200, response.getStatusLine().getStatusCode());
            // order returned can differ on OS so match for both orders
            String s = EntityUtils.toString(response.getEntity());
            assertNotNull(s);
            boolean m1 = s.endsWith(
                    "<Customers><Customer><id>123</id><name>John</name></Customer><Customer><id>113</id><name>Dan</name></Customer></Customers>");
            boolean m2 = s.endsWith(
                    "<Customers><Customer><id>113</id><name>Dan</name></Customer><Customer><id>123</id><name>John</name></Customer></Customers>");

            if (!m1 && !m2) {
                fail("Not expected body returned: " + s);
            }
        } finally {
            httpclient.close();
        }
    }

    @Test
    public void testGetSubResource() throws Exception {
        HttpGet get = new HttpGet(
                "http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/orders/223/products/323");
        get.addHeader("Accept", "application/json");
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(get);
            assertEquals(200, response.getStatusLine().getStatusCode());
            assertEquals("{\"Product\":{\"description\":\"product 323\",\"id\":323}}",
                    EntityUtils.toString(response.getEntity()));
        } finally {
            httpclient.close();
        }
    }

    @Test
    public void testPutConsumer() throws Exception {
        HttpPut put = new HttpPut("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers");
        StringEntity entity = new StringEntity(PUT_REQUEST, "ISO-8859-1");
        entity.setContentType("text/xml; charset=ISO-8859-1");
        put.setEntity(entity);
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(put);
            assertEquals(200, response.getStatusLine().getStatusCode());
            assertEquals("", EntityUtils.toString(response.getEntity()));
        } finally {
            httpclient.close();
        }
    }

    @Test
    public void testPostConsumer() throws Exception {
        HttpPost post = new HttpPost("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers");
        post.addHeader("Accept", "text/xml");
        StringEntity entity = new StringEntity(POST_REQUEST, "ISO-8859-1");
        entity.setContentType("text/xml; charset=ISO-8859-1");
        post.setEntity(entity);
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(post);
            assertEquals(200, response.getStatusLine().getStatusCode());
            assertEquals(
                    "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><Customer><id>124</id><name>Jack</name></Customer>",
                    EntityUtils.toString(response.getEntity()));

            HttpDelete del
                    = new HttpDelete("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers/124/");
            response = httpclient.execute(del);
            // need to check the response of delete method
            assertEquals(200, response.getStatusLine().getStatusCode());
        } finally {
            httpclient.close();
        }

    }

    @Test
    public void testPostConsumerUniqueResponseCode() throws Exception {
        HttpPost post = new HttpPost(
                "http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customersUniqueResponseCode");
        post.addHeader("Accept", "text/xml");
        StringEntity entity = new StringEntity(POST_REQUEST, "ISO-8859-1");
        entity.setContentType("text/xml; charset=ISO-8859-1");
        post.setEntity(entity);
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        try {
            HttpResponse response = httpclient.execute(post);
            assertEquals(201, response.getStatusLine().getStatusCode());
            assertEquals(
                    "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><Customer><id>124</id><name>Jack</name></Customer>",
                    EntityUtils.toString(response.getEntity()));

            HttpDelete del
                    = new HttpDelete("http://localhost:" + port + "/services/CxfRsRouterTest/route/customerservice/customers/124/");
            response = httpclient.execute(del);
            // need to check the response of delete method
            assertEquals(200, response.getStatusLine().getStatusCode());
        } finally {
            httpclient.close();
        }
    }
    
    // *************************************
    // Config
    // *************************************

    @Configuration
    public class TestConfiguration {

        
        @Bean
        public ServletWebServerFactory servletWebServerFactory() {
            return new UndertowServletWebServerFactory(port);
        }
        
        @SuppressWarnings("rawtypes")
        @Bean
        public List<Object> jsonProviders() {
            List<Object> list = new ArrayList<Object>();
            list.add(new org.apache.cxf.jaxrs.provider.json.JSONProvider());
            return list;
        }
        
        @Bean
        public AbstractJAXRSFactoryBean rsServer() {
            SpringJAXRSServerFactoryBean afb = new SpringJAXRSServerFactoryBean();
            
            afb.setAddress("/CxfRsRouterTest/route");
            afb.setServiceClass(org.apache.camel.component.cxf.jaxrs.testbean.CustomerService.class);
            afb.setLoggingFeatureEnabled(true);
            afb.setLoggingSizeLimit(20);
            afb.setSkipFaultLogging(true);
            return afb;
        }
        
        @Bean
        public AbstractJAXRSFactoryBean rsClient(List<?> jsonProviders) {
            SpringJAXRSClientFactoryBean afb = new SpringJAXRSClientFactoryBean();
            
            afb.setAddress("http://localhost:" + backendPort + "/services/CxfRsRouterTest/rest");
            afb.setServiceClass(org.apache.camel.component.cxf.jaxrs.testbean.CustomerService.class);
            afb.setLoggingFeatureEnabled(true);
            afb.setSkipFaultLogging(true);
            afb.setProviders(jsonProviders);
            return afb;
        }
        
        
        
        @Bean
        public RouteBuilder routeBuilder() {
            return new RouteBuilder() {
                @Override
                public void configure() {
                    from("cxfrs:bean:rsServer").to("log:body?level=INFO")
                        .to("cxfrs:bean:rsClient?ignoreDeleteMethodMessageBody=true&synchronous=true");
                }
            };
        }
    }
    
}
