package org.jboss.as.test.integration.web.websocket;

import static org.jboss.as.test.shared.integration.ejb.security.PermissionUtils.createPermissionsXmlAsset;

import java.io.IOException;
import java.net.SocketPermission;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.PropertyPermission;

import javax.websocket.ContainerProvider;
import javax.websocket.DeploymentException;
import javax.websocket.Session;
import javax.websocket.WebSocketContainer;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.OperateOnDeployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.as.test.shared.TestSuiteEnvironment;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.StringAsset;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * Simple smoke test for WebSockets. It tests both basic use-cases - WebSocket client either as a standalone application
 * or as a part of a WAR-deployment.
 *
 * @author Stuart Douglas
 */
@RunWith(Arquillian.class)
public class WebSocketTestCase {

    private static final String CLIENT_STANDALONE = "standalone";
    private static final String CLIENT_IN_DEPLOYMENT = "indeployment";

    @Deployment(testable = false, name = CLIENT_STANDALONE)
    public static WebArchive createThinDeployment() {
        return createBasicDeployment(CLIENT_STANDALONE);
    }

    @Deployment(name = CLIENT_IN_DEPLOYMENT)
    public static WebArchive createRichDeployment() {
        return createBasicDeployment(CLIENT_IN_DEPLOYMENT)
                .addClasses(WebSocketTestCase.class, AnnotatedClient.class, TestSuiteEnvironment.class)
                .addAsManifestResource(
                        createPermissionsXmlAsset(
                                // Needed for the TestSuiteEnvironment.getServerAddress()
                                new PropertyPermission("management.address", "read"), new PropertyPermission("node0", "read"),
                                new PropertyPermission("jboss.http.port", "read"),
                                // Needed for the serverContainer.connectToServer()
                                new SocketPermission(
                                        TestSuiteEnvironment.getServerAddress() + ":" + TestSuiteEnvironment.getHttpPort(),
                                        "connect,resolve"),
                                // Needed for xnio's WorkerThread which binds to Xnio.ANY_INET_ADDRESS, see WFLY-7538
                                new SocketPermission("*:0", "listen,resolve")),
                        "permissions.xml");
    }

    @Test
    @OperateOnDeployment(CLIENT_STANDALONE)
    @RunAsClient
    public void testClientStandalone(@ArquillianResource URL webapp) throws Exception {
        assertWebSocket(webapp);
    }

    @Test
    @OperateOnDeployment(CLIENT_IN_DEPLOYMENT)
    public void testClientInDeployment(@ArquillianResource URL webapp) throws Exception {
        assertWebSocket(webapp);
    }

    private void assertWebSocket(URL webapp) throws InterruptedException, IOException, DeploymentException, URISyntaxException {
        AnnotatedClient endpoint = new AnnotatedClient();
        WebSocketContainer serverContainer = ContainerProvider.getWebSocketContainer();
        try (Session session = serverContainer.connectToServer(endpoint,
                new URI("ws", "", TestSuiteEnvironment.getServerAddress(), TestSuiteEnvironment.getHttpPort(),
                        webapp.getPath() + "websocket/Stuart", "", ""))) {
            Assert.assertEquals("Hello Stuart", endpoint.getMessage());
        }
    }

    /**
     * Creates basic deployment with given name for WebSocket endpoint.
     *
     * @param name deployment name
     * @return Shrinkwrap WebArchive instance
     */
    private static WebArchive createBasicDeployment(String name) {
        return ShrinkWrap.create(WebArchive.class, name + ".war")
                .addClasses(AnnotatedEndpoint.class)
                .addAsManifestResource(new StringAsset("io.undertow.websockets.jsr.UndertowContainerProvider"),
                        "services/javax.websocket.ContainerProvider");
    }

}