/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2023, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.wildfly.test.integration.microprofile.reactive.messaging.kafka.compression;

import io.smallrye.reactive.messaging.kafka.api.IncomingKafkaRecordMetadata;
import io.smallrye.reactive.messaging.kafka.api.KafkaMetadataUtil;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import org.eclipse.microprofile.reactive.messaging.Channel;
import org.eclipse.microprofile.reactive.messaging.Emitter;
import org.eclipse.microprofile.reactive.messaging.Incoming;
import org.eclipse.microprofile.reactive.messaging.Message;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.CountDownLatch;

/**
 * @author <a href="mailto:kabir.khan@jboss.com">Kabir Khan</a>
 */
@ApplicationScoped
public class CompressionMessagingBean {
    private final CountDownLatch latch = new CountDownLatch(3);
    private List<String> words = new ArrayList<>();

    public CountDownLatch getLatch() {
        return latch;
    }

    @Channel("to-kafka-gzip")
    @Inject
    Emitter<String> gzipEmitter;

    @Channel("to-kafka-snappy")
    @Inject
    Emitter<String> snappyEmitter;

    @Channel("to-kafka-lz4")
    @Inject
    Emitter<String> lz4Emitter;

    @Incoming("from-kafka")
    public CompletionStage<Void> sink(Message<String> message) {
        IncomingKafkaRecordMetadata<String, Integer> metadata = KafkaMetadataUtil.readIncomingKafkaMetadata(message).get();
        words.add(message.getPayload());
        latch.countDown();
        return message.ack();
    }

    public List<String> getWords() {
        return words;
    }

    public void sendGzip(String...words) {
        for (String word : words) {
            gzipEmitter.send(word);
        }
    }

    public void sendSnappy(String...words) {
        for (String word : words) {
            snappyEmitter.send(word);
        }
    }

    public void sendLz4(String...words) {
        for (String word : words) {
            lz4Emitter.send(word);
        }
    }
}
