/*
 * Copyright 2005-2006 The Apache Software Foundation.
 *
 * 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
 *
 *      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.servicemix.bpe;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URL;

import javax.jbi.messaging.ExchangeStatus;
import javax.jbi.messaging.MessageExchange;
import javax.xml.namespace.QName;

import junit.framework.TestCase;
import loanbroker.Bank;
import loanbroker.CreditAgency;

import org.apache.servicemix.client.DefaultServiceMixClient;
import org.apache.servicemix.client.ServiceMixClient;
import org.apache.servicemix.http.HttpEndpoint;
import org.apache.servicemix.http.HttpSpringComponent;
import org.apache.servicemix.jbi.container.ActivationSpec;
import org.apache.servicemix.jbi.container.JBIContainer;
import org.apache.servicemix.jbi.jaxp.SourceTransformer;
import org.apache.servicemix.jbi.jaxp.StringSource;
import org.apache.servicemix.jbi.messaging.MessageExchangeSupport;

public class BPEComponentTest extends TestCase {

    private JBIContainer jbi;
    private BPEComponent bpe;
    private ServiceMixClient client;
    
    protected void setUp() throws Exception {
        jbi = new JBIContainer();
        jbi.setEmbedded(true);
        jbi.init();
        client = new DefaultServiceMixClient(jbi);
        bpe = new BPEComponent();
        jbi.activateComponent(bpe, "bpe");
    }
    
    protected void tearDown() throws Exception {
        if (jbi != null) {
            jbi.shutDown();
        }
    }
    
    protected void registerCreditAgency() throws Exception {
        ActivationSpec creditAgency = new ActivationSpec();
        creditAgency.setInterfaceName(new QName("urn:logicblaze:soa:creditagency", "CreditAgency"));
        creditAgency.setComponent(new CreditAgency());
        jbi.activateComponent(creditAgency);
    }
    
    protected void registerBanks() throws Exception {
        for (int i = 1; i <= 5; i++) {
            ActivationSpec bank = new ActivationSpec();
            bank.setInterfaceName(new QName("urn:logicblaze:soa:bank", "Bank"));
            bank.setComponent(new Bank(i));
            jbi.activateComponent(bank);
        }
    }
    
    
    protected void registerHttp() throws Exception {
        HttpSpringComponent http = new HttpSpringComponent();
        HttpEndpoint ep = new HttpEndpoint();
        ep.setSoap(true);
        ep.setDefaultMep(MessageExchangeSupport.IN_OUT);
        ep.setRoleAsString("consumer");
        ep.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        ep.setEndpoint("loanbroker");
        ep.setLocationURI("http://localhost:8192");
        http.setEndpoints(new HttpEndpoint[] { ep });
        jbi.activateComponent(http, "http");
    }
    
    public static void copyInputStream(InputStream in, OutputStream out) throws IOException {
        byte[] buffer = new byte[1024];
        int len;
        while ((len = in.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }
    }
    
    public void testWithHttp() throws Exception {
        registerCreditAgency();
        registerBanks();
        registerHttp();
        jbi.start();
        
        URL url = getClass().getClassLoader().getResource("loanbroker/loanbroker.bpel");
        File path = new File(new URI(url.toString()));
        path = path.getParentFile();
        bpe.getServiceUnitManager().deploy("loanbroker", path.getAbsolutePath());
        bpe.getServiceUnitManager().start("loanbroker");
        
        HttpURLConnection con = (HttpURLConnection) new URL("http://localhost:8192").openConnection();
        con.setDoOutput(true);
        con.setDoInput(true);
        InputStream is = getClass().getClassLoader().getResourceAsStream("request.xml");
        OutputStream os = con.getOutputStream();
        copyInputStream(is, os);
        copyInputStream(con.getInputStream(), System.out);
    }
    
    public void testBPEOk() throws Exception {
        registerCreditAgency();
        registerBanks();
        jbi.start();
        
        URL url = getClass().getClassLoader().getResource("loanbroker/loanbroker.bpel");
        File path = new File(new URI(url.toString()));
        path = path.getParentFile();
        bpe.getServiceUnitManager().deploy("loanbroker", path.getAbsolutePath());
        bpe.getServiceUnitManager().start("loanbroker");
        
        //
        // Message for bank1 and bank2
        //
        MessageExchange me = client.createInOutExchange();
        me.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        me.setOperation(new QName("getLoanQuote"));
        me.getMessage("in").setContent(new StringSource("<getLoanQuoteRequest xmlns=\"urn:logicblaze:soa:loanbroker\"><ssn>1234341</ssn><amount>100000.0</amount><duration>12</duration></getLoanQuoteRequest>"));
        long t0 = System.currentTimeMillis();
        client.sendSync(me);
        long t1 = System.currentTimeMillis();
        if (me.getError() != null) {
            throw me.getError();
        }
        assertEquals(ExchangeStatus.ACTIVE, me.getStatus());
        String out = new SourceTransformer().contentToString(me.getMessage("out"));
        System.err.println(out);
        System.err.println("Time: " + (t1 - t0));
        client.done(me);
        
        //
        // Message for bank3 and bank4
        //
        me = client.createInOutExchange();
        me.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        me.setOperation(new QName("getLoanQuote"));
        me.getMessage("in").setContent(new StringSource("<getLoanQuoteRequest xmlns=\"urn:logicblaze:soa:loanbroker\"><ssn>1234341</ssn><amount>50000.0</amount><duration>12</duration></getLoanQuoteRequest>"));
        t0 = System.currentTimeMillis();
        client.sendSync(me);
        t1 = System.currentTimeMillis();
        if (me.getError() != null) {
            throw me.getError();
        }
        assertEquals(ExchangeStatus.ACTIVE, me.getStatus());
        out = new SourceTransformer().contentToString(me.getMessage("out"));
        System.err.println(out);
        System.err.println("Time: " + (t1 - t0));
        client.done(me);
        
        //
        // Message for bank5
        //
        me = client.createInOutExchange();
        me.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        me.setOperation(new QName("getLoanQuote"));
        me.getMessage("in").setContent(new StringSource("<getLoanQuoteRequest xmlns=\"urn:logicblaze:soa:loanbroker\"><ssn>1234341</ssn><amount>1200.0</amount><duration>12</duration></getLoanQuoteRequest>"));
        t0 = System.currentTimeMillis();
        client.sendSync(me);
        t1 = System.currentTimeMillis();
        if (me.getError() != null) {
            throw me.getError();
        }
        assertEquals(ExchangeStatus.ACTIVE, me.getStatus());
        out = new SourceTransformer().contentToString(me.getMessage("out"));
        System.err.println(out);
        System.err.println("Time: " + (t1 - t0));
        client.done(me);
    }
    
    public void testBPEWithFault() throws Exception {
        registerCreditAgency();
        jbi.start();
        
        URL url = getClass().getClassLoader().getResource("loanbroker/loanbroker.bpel");
        File path = new File(new URI(url.toString()));
        path = path.getParentFile();
        bpe.getServiceUnitManager().deploy("loanbroker", path.getAbsolutePath());
        bpe.getServiceUnitManager().start("loanbroker");
        
        MessageExchange me = client.createInOutExchange();
        me.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        me.setOperation(new QName("getLoanQuote"));
        me.getMessage("in").setContent(new StringSource("<getLoanQuoteRequest xmlns=\"urn:logicblaze:soa:loanbroker\"><ssn>234341</ssn></getLoanQuoteRequest>"));
        client.sendSync(me);
        if (me.getError() != null) {
            throw me.getError();
        }
        assertEquals(ExchangeStatus.ACTIVE, me.getStatus());
        assertNotNull(me.getFault());
        client.done(me);
    }
    
    public void testBPEWithException() throws Exception {
        registerCreditAgency();
        jbi.start();
        
        URL url = getClass().getClassLoader().getResource("loanbroker/loanbroker.bpel");
        File path = new File(new URI(url.toString()));
        path = path.getParentFile();
        bpe.getServiceUnitManager().deploy("loanbroker", path.getAbsolutePath());
        bpe.getServiceUnitManager().start("loanbroker");
        
        MessageExchange me = client.createInOutExchange();
        me.setService(new QName("urn:logicblaze:soa:loanbroker", "LoanBrokerService"));
        me.setOperation(new QName("getLoanQuote"));
        me.getMessage("in").setContent(new StringSource("<getLoanQuoteRequest xmlns=\"urn:logicblaze:soa:loanbroker\"><ssn></ssn></getLoanQuoteRequest>"));
        client.sendSync(me);
        assertEquals(ExchangeStatus.ERROR, me.getStatus());
        assertNotNull(me.getError());
    }
    
}
