/*
 * 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.sling.ide.test.impl;

import static org.hamcrest.CoreMatchers.nullValue;

import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.Callable;

import org.apache.commons.httpclient.HttpException;
import org.apache.sling.ide.eclipse.core.ISlingLaunchpadServer;
import org.apache.sling.ide.test.impl.helpers.DisableDebugStatusHandlers;
import org.apache.sling.ide.test.impl.helpers.ExternalSlingLaunchpad;
import org.apache.sling.ide.test.impl.helpers.FailOnUnsuccessfulEventsRule;
import org.apache.sling.ide.test.impl.helpers.LaunchpadConfig;
import org.apache.sling.ide.test.impl.helpers.MavenDependency;
import org.apache.sling.ide.test.impl.helpers.OsgiBundleManifest;
import org.apache.sling.ide.test.impl.helpers.Poller;
import org.apache.sling.ide.test.impl.helpers.ProjectAdapter;
import org.apache.sling.ide.test.impl.helpers.RepositoryAccessor;
import org.apache.sling.ide.test.impl.helpers.ServerAdapter;
import org.apache.sling.ide.test.impl.helpers.SlingWstServer;
import org.apache.sling.ide.test.impl.helpers.TemporaryProject;
import org.apache.sling.ide.test.impl.helpers.ToolingSupportBundle;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.JavaCore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.RuleChain;
import org.junit.rules.TestRule;

/**
 * The <tt>BundleDeploymentTest</tt> validates the basic workflows behind working with OSGi bundles
 *
 */
// TODO - remove the bundle after the test
public class BundleDeploymentTest {

    private final LaunchpadConfig config = LaunchpadConfig.getInstance();

    private final SlingWstServer wstServer = new SlingWstServer(config);

    @Rule
    public TestRule chain = RuleChain.outerRule(new ExternalSlingLaunchpad(config))
            .around(new ToolingSupportBundle(config))
            .around(wstServer);

    @Rule
    public TemporaryProject projectRule = new TemporaryProject();

    @Rule
    public DefaultJavaVMInstall jvm = new DefaultJavaVMInstall();

    @Rule
    public DisableDebugStatusHandlers disableDebugHandlers = new DisableDebugStatusHandlers();

    @Rule
    public FailOnUnsuccessfulEventsRule failOnEventsRule = new FailOnUnsuccessfulEventsRule();

    @Test
    public void deployBundleOnServer_localInstall() throws Exception {

        deployBundleOnServer(true);
    }

    private void deployBundleOnServer(boolean installBundleLocally) throws Exception {
        wstServer.waitForServerToStart();

        // create faceted project
        IProject bundleProject = projectRule.getProject();

        ProjectAdapter project = new ProjectAdapter(bundleProject);
        project.addNatures(JavaCore.NATURE_ID, "org.eclipse.wst.common.project.facet.core.nature");

        // configure java project with dependencies
        MavenDependency slingApiDep = new MavenDependency().groupId("org.apache.sling")
                .artifactId("org.apache.sling.api").version("2.2.0");
        MavenDependency servletApiDep = new MavenDependency().groupId("javax.servlet").artifactId("servlet-api")
                .version("2.4");
        project.configureAsJavaProject(slingApiDep, servletApiDep);

        // create DS component class
        InputStream simpleServlet = getClass().getResourceAsStream("SimpleServlet.java.v1.txt");
        project.createOrUpdateFile(Path.fromPortableString("src/example/SimpleServlet.java"), simpleServlet);
        
        // create DS component descriptor
        InputStream servletDescriptor = getClass().getResourceAsStream("SimpleServlet.xml");
        project.createOrUpdateFile(Path.fromPortableString("src/OSGI-INF/SimpleServlet.xml"), servletDescriptor);

        // create manifest
        OsgiBundleManifest manifest = OsgiBundleManifest.symbolicName("test.bundle001").version("1.0.0.SNAPSHOT")
                .name("Test bundle").serviceComponent("OSGI-INF/SimpleServlet.xml")
                .importPackage("javax.servlet,org.apache.sling.api,org.apache.sling.api.servlets");
        project.createOsgiBundleManifest(manifest);

        // install bundle facet
        project.installFacet("sling.bundle", "1.0");

        ServerAdapter server = new ServerAdapter(wstServer.getServer());
        server.setAttribute(ISlingLaunchpadServer.PROP_INSTALL_LOCALLY, installBundleLocally);
        server.installModule(bundleProject);

        final RepositoryAccessor repo = new RepositoryAccessor(config);
        Poller poller = new Poller();
        poller.pollUntil(new Callable<Void>() {
            @Override
            public Void call() throws HttpException, IOException {
                repo.assertGetIsSuccessful("simple-servlet", "Version 1");
                return null;
            }
        }, nullValue(Void.class));

        // update DS component class
        InputStream simpleServlet2 = getClass().getResourceAsStream("SimpleServlet.java.v2.txt");
        project.createOrUpdateFile(Path.fromPortableString("src/example/SimpleServlet.java"), simpleServlet2);

        poller.pollUntil(new Callable<Void>() {
            @Override
            public Void call() throws HttpException, IOException {
                repo.assertGetIsSuccessful("simple-servlet", "Version 2");
                return null;
            }
        }, nullValue(Void.class));
    }

    @Test
    public void deployBundleOnServer_jarredInstall() throws Exception {

        deployBundleOnServer(false);
    }
}