/**
 * 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.cxf.systest.ws.policy;

import java.util.List;
import java.util.logging.Logger;

import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.bus.spring.SpringBusFactory;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.endpoint.ServerRegistry;
import org.apache.cxf.greeter_control.Greeter;
import org.apache.cxf.greeter_control.PingMeFault;
import org.apache.cxf.greeter_control.ReliableGreeterService;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.systest.ws.util.ConnectionHelper;
import org.apache.cxf.systest.ws.util.InMessageRecorder;
import org.apache.cxf.systest.ws.util.MessageFlow;
import org.apache.cxf.systest.ws.util.MessageRecorder;
import org.apache.cxf.systest.ws.util.OutMessageRecorder;
import org.apache.cxf.testutil.common.AbstractBusClientServerTestBase;
import org.apache.cxf.testutil.common.AbstractBusTestServerBase;
import org.apache.cxf.ws.policy.PolicyAssertion;
import org.apache.cxf.ws.policy.PolicyEngine;
import org.apache.cxf.ws.rm.RMConstants;
import org.apache.neethi.All;
import org.apache.neethi.ExactlyOne;
import org.apache.neethi.Policy;
import org.junit.BeforeClass;
import org.junit.Test;


/**
 * Tests the use of the WS-Policy Framework to automatically engage WS-RM
 * in response to Policies defined for the endpoint via an direct attachment to the wsdl.
 */
public class RMPolicyWsdlTest extends AbstractBusClientServerTestBase {

    private static final Logger LOG = LogUtils.getLogger(RMPolicyWsdlTest.class);
    private static final String GREETMEONEWAY_ACTION 
        = "http://cxf.apache.org/greeter_control/Greeter/greetMeOneWayRequest";
    private static final String GREETME_ACTION 
        = "http://cxf.apache.org/greeter_control/Greeter/greetMeRequest";
    private static final String GREETME_RESPONSE_ACTION 
        = "http://cxf.apache.org/greeter_control/Greeter/greetMeResponse";
    private static final String PINGME_ACTION = "http://cxf.apache.org/greeter_control/Greeter/pingMeRequest";
    private static final String PINGME_RESPONSE_ACTION 
        = "http://cxf.apache.org/greeter_control/Greeter/pingMeResponse";
    private static final String GREETER_FAULT_ACTION
        = "http://cxf.apache.org/greeter_control/Greeter/Fault/faultDetail";


    public static class Server extends AbstractBusTestServerBase {
    
        protected void run()  {            
            SpringBusFactory bf = new SpringBusFactory();
            Bus bus = bf.createBus("org/apache/cxf/systest/ws/policy/rmwsdl_server.xml");
            BusFactory.setDefaultBus(bus);
            
            ServerRegistry sr = bus.getExtension(ServerRegistry.class);
            PolicyEngine pe = bus.getExtension(PolicyEngine.class);
            
            List<PolicyAssertion> assertions1 
                = getAssertions(pe, sr.getServers().get(0));
            assertEquals("2 assertions should be available", 2, assertions1.size());
            List<PolicyAssertion> assertions2 = 
                getAssertions(pe, sr.getServers().get(1));
            assertEquals("1 assertion should be available", 1, assertions2.size());
            
            LOG.info("Published greeter endpoints.");
        }
        
        protected List<PolicyAssertion> getAssertions(PolicyEngine pe, org.apache.cxf.endpoint.Server s) {
            Policy p1 = pe.getServerEndpointPolicy(
                             s.getEndpoint().getEndpointInfo(), null).getPolicy();
            List<ExactlyOne> pops = 
                CastUtils.cast(p1.getPolicyComponents(), ExactlyOne.class);
            assertEquals("New policy must have 1 top level policy operator", 1, pops.size());
            List<All> alts = 
                CastUtils.cast(pops.get(0).getPolicyComponents(), All.class);
            assertEquals("1 alternatives should be available", 1, alts.size());
            return CastUtils.cast(alts.get(0).getAssertions(), PolicyAssertion.class);
        }
        
        public static void main(String[] args) {
            try { 
                Server s = new Server(); 
                s.start();
            } catch (Exception ex) {
                ex.printStackTrace();
                System.exit(-1);
            } finally { 
                System.out.println("done!");
            }
        }
    }    
    
    @BeforeClass
    public static void startServers() throws Exception {
        assertTrue("server did not launch correctly", launchServer(Server.class));
    }
         
    @Test
    public void testUsingRM() throws Exception {
        SpringBusFactory bf = new SpringBusFactory();
        bus = bf.createBus("org/apache/cxf/systest/ws/policy/rmwsdl.xml");
        BusFactory.setDefaultBus(bus);
        OutMessageRecorder outRecorder = new OutMessageRecorder();
        bus.getOutInterceptors().add(outRecorder);
        InMessageRecorder inRecorder = new InMessageRecorder();
        bus.getInInterceptors().add(inRecorder);
        
        ReliableGreeterService gs = new ReliableGreeterService();
        final Greeter greeter = gs.getGreeterPort();
        LOG.fine("Created greeter client.");

        ConnectionHelper.setKeepAliveConnection(greeter, true);

        // oneway

        greeter.greetMeOneWay("CXF");

        // two-way

        assertEquals("CXF", greeter.greetMe("cxf")); 
     
        // exception

        try {
            greeter.pingMe();
        } catch (PingMeFault ex) {
            fail("First invocation should have succeeded.");
        } 
       
        try {
            greeter.pingMe();
            fail("Expected PingMeFault not thrown.");
        } catch (PingMeFault ex) {
            assertEquals(2, (int)ex.getFaultInfo().getMajor());
            assertEquals(1, (int)ex.getFaultInfo().getMinor());
        } 

        MessageRecorder mr = new MessageRecorder(outRecorder, inRecorder);
        mr.awaitMessages(5, 9, 5000);

        MessageFlow mf = new MessageFlow(outRecorder.getOutboundMessages(), inRecorder.getInboundMessages());
        
        
        mf.verifyMessages(5, true);
        String[] expectedActions = new String[] {RMConstants.getCreateSequenceAction(), 
                                                 GREETMEONEWAY_ACTION,
                                                 GREETME_ACTION, 
                                                 PINGME_ACTION,
                                                 PINGME_ACTION};
        mf.verifyActions(expectedActions, true);
        mf.verifyMessageNumbers(new String[] {null, "1", "2", "3", "4"}, true);
        mf.verifyLastMessage(new boolean[] {false, false, false, false, false}, true);
        mf.verifyAcknowledgements(new boolean[] {false, false, false, true, true}, true);

        mf.verifyMessages(9, false);
        mf.verifyPartialResponses(5);        
        mf.purgePartialResponses();

        expectedActions = new String[] {
            RMConstants.getCreateSequenceResponseAction(),
            GREETME_RESPONSE_ACTION,
            PINGME_RESPONSE_ACTION,
            GREETER_FAULT_ACTION
        };
        mf.verifyActions(expectedActions, false);
        mf.verifyMessageNumbers(new String[] {null, "1", "2", "3"}, false);
        mf.verifyLastMessage(new boolean[] {false, false, false, false}, false);
        mf.verifyAcknowledgements(new boolean[] {false, true, true, true}, false);
         
    }
}
