---

package org.example;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.serialization.StringSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Properties;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

@Configuration
public class KafkaProducerConfig {

    @Bean
    public Producer<String, String> kafkaProducer() {
        Properties props = new Properties();
        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "1Servers");

        // Тюнинг для высокой нагрузки (рекомендую оставить)
        props.put(ProducerConfig.BATCH_SIZE_CONFIG, "262144");
        props.put(ProducerConfig.LINGER_MS_CONFIG, "10");
        props.put(ProducerConfig.COMPRESSION_TYPE_CONFIG, "snappy");
        props.put(ProducerConfig.ACKS_CONFIG, "1");
        props.put(ProducerConfig.MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION, "10");
        props.put(ProducerConfig.BUFFER_MEMORY_CONFIG, "67108864");

        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());

        return new KafkaProducer<>(props);
    }

    // ==================== НОВЫЙ БИН ====================
    @Bean(destroyMethod = "shutdown")
    public ScheduledExecutorService scheduledExecutorService() {
        int poolSize = Integer.parseInt(
                System.getenv().getOrDefault("SCHEDULED_POOL_SIZE", "150")
        );
        return Executors.newScheduledThreadPool(poolSize);
    }
}