/**
 * 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.testutil.common;

import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.FutureTask;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.bus.spring.SpringBusFactory;

import org.junit.After;
import org.junit.AfterClass;

import static org.junit.Assert.assertTrue;


public abstract class AbstractBusClientServerTestBase extends AbstractClientServerTestBase {

    protected static Bus staticBus;
    protected Bus bus;

    public void createBus(String config) throws Exception {
        if (config != null) {
            bus = new SpringBusFactory().createBus(config);
        } else {
            bus = BusFactory.newInstance().createBus();
        }
        BusFactory.setDefaultBus(bus);
    }

    public void createBus() throws Exception {
        createBus(null);
    }

    public static Bus getStaticBus() {
        return staticBus;
    }
    public static Bus createStaticBus(String config) {
        if (config != null) {
            staticBus = new SpringBusFactory().createBus(config);
        } else {
            staticBus = BusFactory.newInstance().createBus();
        }
        BusFactory.setDefaultBus(staticBus);
        return staticBus;
    }

    public static Bus createStaticBus() {
        return createStaticBus(null);
    }

    @After
    public void deleteBus() throws Exception {
        if (null != bus) {
            bus.shutdown(true);
            bus = null;
        }
    }
    @AfterClass
    public static void deleteStaticBus() throws Exception {
        if (null != staticBus) {
            staticBus.shutdown(true);
            staticBus = null;
        }
    }


    protected Bus getBus() {
        if (bus == null) {
            return staticBus;
        }
        return bus;
    }

    protected void setBus(Bus b) {
        bus = b;
    }

    protected HttpURLConnection getHttpConnection(String target) throws Exception {
        URL url = new URL(target);

        URLConnection connection = url.openConnection();

        assertTrue(connection instanceof HttpURLConnection);
        return (HttpURLConnection)connection;
    }

    protected boolean runClient(Runnable clientImpl, long timeOut, TimeUnit timeUnit)
        throws InterruptedException {
        FutureTask<?> client = new FutureTask<>(clientImpl, null);
        ThreadPoolExecutor tpe = new ThreadPoolExecutor(1, 1, 10000L, TimeUnit.MILLISECONDS,
                new LinkedBlockingQueue<Runnable>());
        tpe.execute(client);
        tpe.shutdown();
        tpe.awaitTermination(timeOut, timeUnit);
        return client.isDone();
    }
}
