package com.tianbo.messagebus.config;

import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.annotation.EnableKafka;
import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
import org.springframework.kafka.config.KafkaListenerContainerFactory;
import org.springframework.kafka.core.ConsumerFactory;
import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
import org.springframework.kafka.listener.ConcurrentMessageListenerContainer;

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


@Configuration
@EnableKafka
public class KafkaConsumerConfig {

        @Value("${kafka.bootstrap-servers}")
        private String servers;
//        @Value("${kafka.producer.enable-auto-commit}")
//        private boolean enableAutoCommit;
//    @Value("${kafka.consumer.session-timeout}")
//    private String sessionTimeout;
//    @Value("${kafka.producer.auto-commit-interval}")
//    private String autoCommitInterval;
    //@Value("${kafka.producer.auto-offset-reset}")
   // private String autoOffsetReset;
//    @Value("${kafka.consumer.concurrency}")
//    private int concurrency;
    //private static Map<String, Object> propsMap;
    @Bean
    public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<String, String>> kafkaListenerContainerFactory() {
        ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>();
        factory.setConsumerFactory(consumerFactory());
        factory.setConcurrency(10);
        factory.setBatchListener(true);
        factory.getContainerProperties().setPollTimeout(1500);
        //配置手动提交offset
        return factory;
    }

    public ConsumerFactory<String, String> consumerFactory() {
        return new DefaultKafkaConsumerFactory<>(consumerConfigs());
    }


    public Map<String, Object> consumerConfigs() {
        //if(propsMap==null){
        Map<String, Object> propsMap = new HashMap<>();
            propsMap.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, servers);
            propsMap.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, false);
//            propsMap.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, 100);
            propsMap.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, 10000);
            propsMap.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
            propsMap.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
            //propsMap.put(ConsumerConfig.GROUP_ID_CONFIG, "test");
            propsMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
            propsMap.put(ConsumerConfig.MAX_PARTITION_FETCH_BYTES_CONFIG,1048576*5);
            propsMap.put(ConsumerConfig.CONNECTIONS_MAX_IDLE_MS_CONFIG,60000);
            propsMap.put(ConsumerConfig.FETCH_MIN_BYTES_CONFIG,50);
            propsMap.put(ConsumerConfig.FETCH_MAX_WAIT_MS_CONFIG,400);
            propsMap.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, 60);
            propsMap.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, 120*1000);
        //}
        return propsMap;
    }

//    @Bean
//    public Listener listener() {
//        return new Listener();
//    }

}