package com.yeejoin.equip.kafka;

import lombok.extern.slf4j.Slf4j;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.kafka.support.SendResult;
import org.springframework.stereotype.Service;
import org.springframework.util.concurrent.ListenableFuture;
import org.springframework.util.concurrent.ListenableFutureCallback;
import javax.annotation.Resource;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * @author LiuLin
 * @date 2023/6/25
 * @apiNote kafka 生产服务类
 */
@Slf4j
@Service
public class KafkaProducerService {
    @Resource
    private KafkaTemplate<String, String> kafkaTemplate;

    @Resource
    private KafkaTemplate<String, String> kafkaTemplateWithTransaction;

    /**
     * 发送消息（同步）
     * @param topic 主题
     * @param key 键
     * @param message 值
     */
    public void sendMessageSync(String topic, String key, String message) throws InterruptedException, ExecutionException, TimeoutException {
        //可以指定最长等待时间，也可以不指定
        kafkaTemplate.send(topic, message).get(10, TimeUnit.SECONDS);
        log.info("sendMessageSync => topic: {}, key: {}, message: {}", topic, key, message);
    }

    /**
     * 发送消息并获取结果
     * @param topic
     * @param message
     * @throws ExecutionException
     * @throws InterruptedException
     */
    public void sendMessageGetResult(String topic, String key, String message) throws ExecutionException, InterruptedException {
        SendResult<String, String> result = kafkaTemplate.send(topic, message).get();
        log.info("The partition the message was sent to: " + result.getRecordMetadata().partition());
    }

    /**
     * 发送消息（异步）
     * @param topic   主题
     * @param message 消息内容
     */
    public void sendMessageAsync(String topic, String message) {
        ListenableFuture<SendResult<String, String>> future = kafkaTemplate.send(topic, message);
        future.addCallback(new ListenableFutureCallback<SendResult<String, String>>() {
            @Override
            public void onFailure(Throwable throwable) {
                log.error("发送消息（异步） failure! topic : {}, message: {}", topic, message);
            }
            @Override
            public void onSuccess(SendResult<String, String> stringStringSendResult) {
                //log.info("发送消息（异步） success! topic: {}, message: {}", topic, message);
            }
        });
    }
}

