//
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//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//  ------------------------------------------------------------------------
//  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.
//  ========================================================================
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package org.eclipse.jetty.websocket.server.misbehaving;

import java.util.concurrent.TimeUnit;

import org.eclipse.jetty.toolchain.test.EventQueue;
import org.eclipse.jetty.util.log.StacklessLogging;
import org.eclipse.jetty.websocket.api.StatusCode;
import org.eclipse.jetty.websocket.common.CloseInfo;
import org.eclipse.jetty.websocket.common.OpCode;
import org.eclipse.jetty.websocket.common.WebSocketFrame;
import org.eclipse.jetty.websocket.common.events.AbstractEventDriver;
import org.eclipse.jetty.websocket.common.test.BlockheadClient;
import org.eclipse.jetty.websocket.server.SimpleServletServer;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;

/**
 * Testing badly behaving Socket class implementations to get the best
 * error messages and state out of the websocket implementation.
 */
public class MisbehavingClassTest
{
    private static SimpleServletServer server;
    private static BadSocketsServlet badSocketsServlet;

    @BeforeClass
    public static void startServer() throws Exception
    {
        badSocketsServlet = new BadSocketsServlet();
        server = new SimpleServletServer(badSocketsServlet);
        server.start();
    }

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

    @Test
    public void testListenerRuntimeOnConnect() throws Exception
    {
        try (BlockheadClient client = new BlockheadClient(server.getServerUri()))
        {
            client.setProtocols("listener-runtime-connect");
            client.setTimeout(1,TimeUnit.SECONDS);
            try (StacklessLogging scope = new StacklessLogging(AbstractEventDriver.class))
            {
                ListenerRuntimeOnConnectSocket socket = badSocketsServlet.listenerRuntimeConnect;
                socket.reset();

                client.connect();
                client.sendStandardRequest();
                client.expectUpgradeResponse();

                EventQueue<WebSocketFrame> frames = client.readFrames(1,1,TimeUnit.SECONDS);
                WebSocketFrame frame = frames.poll();
                assertThat("frames[0].opcode",frame.getOpCode(),is(OpCode.CLOSE));
                CloseInfo close = new CloseInfo(frame);
                assertThat("Close Status Code",close.getStatusCode(),is(StatusCode.SERVER_ERROR));

                client.write(close.asFrame()); // respond with close

                // ensure server socket got close event
                assertThat("Close Latch",socket.closeLatch.await(1,TimeUnit.SECONDS),is(true));
                assertThat("closeStatusCode",socket.closeStatusCode,is(StatusCode.SERVER_ERROR));

                // Validate errors
                assertThat("socket.onErrors",socket.errors.size(),is(1));
                Throwable cause = socket.errors.pop();
                assertThat("Error type",cause,instanceOf(ArrayIndexOutOfBoundsException.class));
            }
        }
    }
    
    @Test
    public void testAnnotatedRuntimeOnConnect() throws Exception
    {
        try (BlockheadClient client = new BlockheadClient(server.getServerUri()))
        {
            client.setProtocols("annotated-runtime-connect");
            client.setTimeout(1,TimeUnit.SECONDS);
            try (StacklessLogging scope = new StacklessLogging(AbstractEventDriver.class))
            {
                AnnotatedRuntimeOnConnectSocket socket = badSocketsServlet.annotatedRuntimeConnect;
                socket.reset();

                client.connect();
                client.sendStandardRequest();
                client.expectUpgradeResponse();

                EventQueue<WebSocketFrame> frames = client.readFrames(1,1,TimeUnit.SECONDS);
                WebSocketFrame frame = frames.poll();
                assertThat("frames[0].opcode",frame.getOpCode(),is(OpCode.CLOSE));
                CloseInfo close = new CloseInfo(frame);
                assertThat("Close Status Code",close.getStatusCode(),is(StatusCode.SERVER_ERROR));

                client.write(close.asFrame()); // respond with close

                // ensure server socket got close event
                assertThat("Close Latch",socket.closeLatch.await(1,TimeUnit.SECONDS),is(true));
                assertThat("closeStatusCode",socket.closeStatusCode,is(StatusCode.SERVER_ERROR));

                // Validate errors
                assertThat("socket.onErrors",socket.errors.size(),is(1));
                Throwable cause = socket.errors.pop();
                assertThat("Error type",cause,instanceOf(ArrayIndexOutOfBoundsException.class));
            }
        }
    }
}
