package com.zt.config;

import com.zt.commons.KafkaMessage;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.serialization.StringSerializer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.core.DefaultKafkaProducerFactory;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.kafka.core.ProducerFactory;
import org.springframework.kafka.support.serializer.JsonSerializer;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class KafkaProducerConfig {
    @Value("${spring.kafka.bootstrap-servers}")
    private String bootstrapServers;
    @Bean
    public ProducerFactory<String, KafkaMessage> producerFactory(){
        Map<String,Object> configProps=new HashMap<>();
        configProps.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG,bootstrapServers);
        configProps.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
        configProps.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, JsonSerializer.class);
        return new DefaultKafkaProducerFactory<>(configProps);
    }
    @Bean
    public KafkaTemplate<String,KafkaMessage> kafkaTemplate(){
        return new KafkaTemplate<>(producerFactory());
    }
}