//
//  ========================================================================
//  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.
//  ========================================================================
//

package org.eclipse.jetty.websocket.client;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;

import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertEquals;

@WebSocket(maxTextMessageSize = 100 * 1024)
public class MaxMessageSocket
{
    private static final Logger LOG = Log.getLogger(MaxMessageSocket.class);
    private Session session;
    public CountDownLatch openLatch = new CountDownLatch(1);
    public CountDownLatch closeLatch = new CountDownLatch(1);
    public CountDownLatch dataLatch = new CountDownLatch(1);
    public LinkedBlockingQueue<String> messageQueue = new LinkedBlockingQueue<>();
    public LinkedBlockingQueue<Throwable> errorQueue = new LinkedBlockingQueue<>();
    public int closeCode = -1;
    public StringBuilder closeMessage = new StringBuilder();

    @OnWebSocketConnect
    public void onConnect(Session session)
    {
        this.session = session;
        openLatch.countDown();
    }

    @OnWebSocketClose
    public void onClose(int statusCode, String reason)
    {
        LOG.debug("onWebSocketClose({},{})", statusCode, reason);
        closeCode = statusCode;
        closeMessage.append(reason);
        closeLatch.countDown();
    }

    @OnWebSocketMessage
    public void onMessage(String message)
    {
        LOG.debug("onWebSocketText({})", message);
        messageQueue.offer(message);
        dataLatch.countDown();
    }

    @OnWebSocketError
    public void onError(Throwable cause)
    {
        LOG.debug("onWebSocketError", cause);
        assertThat("Error capture", errorQueue.offer(cause), is(true));
    }

    public Session getSession()
    {
        return this.session;
    }

    public void awaitConnect(int duration, TimeUnit unit) throws InterruptedException
    {
        assertThat("Client Socket connected", openLatch.await(duration, unit), is(true));
    }

    public void waitForMessage(int timeoutDuration, TimeUnit timeoutUnit) throws InterruptedException
    {
        LOG.debug("Waiting for message");
        assertThat("Message Received", dataLatch.await(timeoutDuration, timeoutUnit), is(true));
    }

    public void assertMessage(String expected)
    {
        String actual = messageQueue.poll();
        assertEquals(expected, actual, "Message");
    }
}
