package fr.tutoriel.kafka.sender;

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

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 fr.tutoriel.kafka.dto.Person;

/**
 *  Configuration de l'expéditeur
 */
@Configuration
public class KafkaSenderConfig {

	@Value(value = "${kafka.bootstrapAddress:kafka:9092}") // Adresse du serveur Kafka (il est possible de le configurer via application.properties)
    private String bootstrapAddress;
    
    @Bean
    public ProducerFactory<String, Person> senderFactory() {
        Map<String, Object> configProps = new HashMap<>();
        configProps.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG,bootstrapAddress); // Adresse du serveur
        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, Person> kafkaTemplate() {
        return new KafkaTemplate<>(senderFactory());
    }    
}