package com.fzzy.conf;

import org.apache.kafka.clients.CommonClientConfigs;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.config.SaslConfigs;
import org.apache.kafka.common.serialization.IntegerSerializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.annotation.EnableKafka;
import org.springframework.kafka.core.DefaultKafkaProducerFactory;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.kafka.core.ProducerFactory;
import org.springframework.kafka.transaction.KafkaTransactionManager;

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

@Configuration
public class KafkaProviderConfig {

    @Value("${spring.kafka.bootstrap-servers}")
    private String bootstrapServers;

    @Value("${spring.kafka.properties.security.protocol}")
    private String securityProtocol;

    @Value("${spring.kafka.properties.sasl.mechanism}")
    private String saslMechanism;

    @Value("${spring.kafka.properties.sasl.jaas.config}")
    private String saslJaasConfig;

    @Value("${spring.kafka.properties.sasl.username}")
    private String saslUsername;

    @Value("${spring.kafka.properties.sasl.password}")
    private String saslPassword;

    @Bean
    public Map<String, Object> producerConfigs() {
        Map<String, Object> props = new HashMap<>();
        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
        props.put(ProducerConfig.RETRIES_CONFIG, 0);
        props.put(ProducerConfig.REQUEST_TIMEOUT_MS_CONFIG, 5000);
        props.put(ProducerConfig.LINGER_MS_CONFIG, 10);
        props.put(ProducerConfig.BUFFER_MEMORY_CONFIG, 33554432);
        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
        props.put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 10000);

        props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, securityProtocol);
        props.put(SaslConfigs.SASL_MECHANISM, saslMechanism);
        props.put("sasl.username", saslUsername);
        props.put("sasl.password", saslPassword);

        props.put("sasl.jaas.config", saslJaasConfig);

        return props;
    }

    @Bean
    public ProducerFactory<String, String> producerFactory() {
        DefaultKafkaProducerFactory<String, String> producerFactory = new DefaultKafkaProducerFactory<>(producerConfigs());
        return producerFactory;
    }

    @Bean
    public KafkaTemplate<String, String> kafkaTemplate(ProducerFactory<String, String> producerFactory) {
        return new KafkaTemplate<>(producerFactory);
    }

}