@Configuration
@EnableKafka
public class KafkaConsumerConfig
{
    @Value(value = "${kafka.bootstrapAddress}")
    private String bootstrapAddress;

    @Value(value = "${general.topic.group.id}")
    private String groupId;

    @Value(value = "${user.topic.group.id}")
    private String userGroupId;



    @Bean
    public ConsumerFactory<Integer, String>  consumerFactory() {
        Map<String, Object> props = new HashMap<>();
        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapAddress);
        props.put(ConsumerConfig.GROUP_ID_CONFIG, groupId);
        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,StringDeserializer.class);
        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,  StringDeserializer.class);
        props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG,  false);
        props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG,  "earliest");
        return new DefaultKafkaConsumerFactory<>(props);
    }



    @Bean
    KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<Integer, String>> kafkaListenerContainerFactory() {
        ConcurrentKafkaListenerContainerFactory<Integer, String> factory =
                                new ConcurrentKafkaListenerContainerFactory<>();
        factory.setConsumerFactory(consumerFactory());
        factory.setConcurrency(3);
        factory.getContainerProperties().setAckMode(AckMode.MANUAL);
        return factory;
    }



}