//
//  ========================================================================
//  Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.websocket.jsr356.server;

import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;

import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.eclipse.jetty.websocket.common.test.Timeouts;
import org.eclipse.jetty.websocket.jsr356.server.samples.echo.LargeEchoConfiguredSocket;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Test Echo of Large messages, targeting the use of {@link javax.websocket.Session#setMaxTextMessageBufferSize(int)}
 * from within the {@code @OnOpen} method call functionality.
 */
public class LargeOnOpenSessionConfiguredTest
{
    private WSServer server;

    @BeforeEach
    public void startServer() throws Exception
    {
        Path testDir = MavenTestingUtils.getTargetTestingPath(LargeOnOpenSessionConfiguredTest.class.getSimpleName());

        server = new WSServer(testDir, "app");
        server.createWebInf();
        server.copyEndpoint(LargeEchoConfiguredSocket.class);

        server.start();
    }

    @AfterEach
    public void stopServer()
    {
        server.stop();
    }

    @SuppressWarnings("Duplicates")
    @Test
    public void testEcho() throws Exception
    {
        URI uri = server.getServerBaseURI();

        WebAppContext webapp = server.createWebAppContext();
        server.deployWebapp(webapp);
        // wsb.dump();

        WebSocketClient client = new WebSocketClient();
        try
        {
            client.getPolicy().setMaxTextMessageSize(128 * 1024);
            client.start();
            JettyEchoSocket clientEcho = new JettyEchoSocket();
            Future<Session> foo = client.connect(clientEcho, uri.resolve("echo/large"));

            // wait for connect
            foo.get(1, TimeUnit.SECONDS);
            // The message size should be bigger than default, but smaller than the limit that LargeEchoSocket specifies
            byte[] txt = new byte[100 * 1024];
            Arrays.fill(txt, (byte)'o');
            String msg = new String(txt, StandardCharsets.UTF_8);
            clientEcho.sendMessage(msg);
            LinkedBlockingQueue<String> msgs = clientEcho.incomingMessages;
            assertEquals(msg, msgs.poll(Timeouts.POLL_EVENT, Timeouts.POLL_EVENT_UNIT), "Expected message");
        }
        finally
        {
            client.stop();
        }
    }
}
