/*
 * 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;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletRequest;

import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.cxf.common.message.CxfConstants;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.cxf.BusFactory;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.frontend.ClientFactoryBean;
import org.apache.cxf.frontend.ClientProxyFactoryBean;
import org.junit.Test;

public class CxfConsumerResponseTest extends CamelTestSupport {
    
    private static final String ECHO_OPERATION = "echo";
    private static final String ECHO_BOOLEAN_OPERATION = "echoBoolean";
    private static final String PING_OPERATION = "ping";
    private static final String TEST_MESSAGE = "Hello World!";
    private static int pingCounter;

    protected final String simpleEndpointAddress = "http://localhost:"
        + CXFTestSupport.getPort1() + "/" + getClass().getSimpleName() + "/test";

    protected final String simpleEndpointURI = "cxf://" + simpleEndpointAddress
        + "?serviceClass=org.apache.camel.component.cxf.HelloService"
        + "&publishedEndpointUrl=http://www.simple.com/services/test";
    
    
    @Override
    public boolean isCreateCamelContextPerClass() {
        return true;
    }

    // START SNIPPET: example
    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from(simpleEndpointURI).inOnly("log:test")
                    .choice().when(header(CxfConstants.OPERATION_NAME).isEqualTo(ECHO_OPERATION)).process(new Processor() {
                        public void process(final Exchange exchange) {
                            assertEquals(DataFormat.POJO, exchange.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class));
                            Message in = exchange.getIn();
                            // check the remote IP from the cxfMessage
                            org.apache.cxf.message.Message cxfMessage = in.getHeader(CxfConstants.CAMEL_CXF_MESSAGE, org.apache.cxf.message.Message.class);
                            assertNotNull("Should get the cxfMessage instance from message header", cxfMessage);
                            ServletRequest request = (ServletRequest)cxfMessage.get("HTTP.REQUEST");
                            assertNotNull("Should get the ServletRequest", request);
                            assertNotNull("Should get the RemoteAddress" + request.getRemoteAddr());
                            // Get the parameter list
                            List<?> parameter = in.getBody(List.class);
                            // Get the operation name
                            String operation = (String)in.getHeader(CxfConstants.OPERATION_NAME);
                            Object result = operation + " " + (String)parameter.get(0);
                            // Put the result back
                            exchange.getIn().setBody(result);
                            // set up the response context which force start document
                            Map<String, Object> map = new HashMap<>();
                            map.put("org.apache.cxf.stax.force-start-document", Boolean.TRUE);
                            exchange.getIn().setHeader(Client.RESPONSE_CONTEXT, map);
                        }
                    })
                    .when(header(CxfConstants.OPERATION_NAME).isEqualTo(ECHO_BOOLEAN_OPERATION)).process(new Processor() {
                        public void process(final Exchange exchange) {
                            Message in = exchange.getIn();
                            // Get the parameter list
                            List<?> parameter = in.getBody(List.class);
                            // Put the result back
                            exchange.getOut().setBody(parameter.get(0));
                        }
                    })
                    .when(header(CxfConstants.OPERATION_NAME).isEqualTo(PING_OPERATION)).process(new Processor() {
                        public void process(final Exchange exchange) {
                            pingCounter++;
                        }

                    });

            }
        };
    }
    // END SNIPPET: example

    @Test
    public void testInvokingServiceFromCXFClient() throws Exception {
        ClientProxyFactoryBean proxyFactory = new ClientProxyFactoryBean();
        ClientFactoryBean clientBean = proxyFactory.getClientFactoryBean();
        clientBean.setAddress(simpleEndpointAddress);
        clientBean.setServiceClass(HelloService.class);
        clientBean.setBus(BusFactory.getDefaultBus());

        HelloService client = (HelloService) proxyFactory.create();
        assertNotNull(client);

        String result = client.echo(TEST_MESSAGE);
        assertEquals("We should get the echo string result from router", result, "echo " + TEST_MESSAGE);

        Boolean bool = client.echoBoolean(Boolean.TRUE);
        assertNotNull("The result should not be null", bool);
        assertEquals("We should get the echo boolean result from router ", bool.toString(), "true");
        
        int beforeCallingPing = pingCounter;
        client.ping();
        int afterCallingPing = pingCounter;
        assertTrue("The ping operation doesn't be called", afterCallingPing - beforeCallingPing == 1);
    }
  

}
