package com.moral.api.kafka.consumer;

import com.alibaba.fastjson.JSON;
import com.moral.api.websocket.SingleDeviceServer;
import org.apache.kafka.clients.consumer.Consumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.common.TopicPartition;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.kafka.listener.ConsumerSeekAware;
import org.springframework.stereotype.Component;

import java.util.Map;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * @ClassName SecondsDataConsumer1
 * @Description TODO
 * @Author 陈凯裕
 * @Date 2021/6/15 14:49
 * @Version TODO
 **/
@Component
public class SecondsDataConsumer implements ConsumerSeekAware {

    @KafkaListener(topics = "test",groupId = "SecondsDataGroup3")
    public void listen(ConsumerRecord<String, String> record , Consumer consumer) throws Exception {
        String messageStr = record.value();
        Map<String,String> message = (Map<String,String>)JSON.parse(messageStr);
        CopyOnWriteArraySet<SingleDeviceServer> sockets = SingleDeviceServer.sockets;
        for (SingleDeviceServer socket : sockets) {
            socket.sendMessage(message.toString());
        }
        System.out.println(message);
    }

    @Override
    public void registerSeekCallback(ConsumerSeekCallback consumerSeekCallback) {

    }

    //consumer回调函数，设置从最新的offset开始消费
    @Override
    public void onPartitionsAssigned(Map<TopicPartition, Long> map, ConsumerSeekCallback consumerSeekCallback) {
        map.forEach((t, o) -> consumerSeekCallback.seekToEnd(t.topic(), t.partition()));
    }

    @Override
    public void onIdleContainer(Map<TopicPartition, Long> map, ConsumerSeekCallback consumerSeekCallback) {

    }
}