package com.personal.book.library.config.kafka;

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.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
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 com.personal.book.library.servicelayer.model.MailContext;

@Configuration
@PropertySource({ "classpath:application.properties" })
public class KafkaProducerConfig {

	@Autowired
	private Environment environment;
	
    
    @Bean
    public ProducerFactory<String, MailContext> mailContextProducerFactory() {
        Map<String, Object> configProps = new HashMap<>();
        configProps.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, environment.getProperty("kafka.bootstrap.address"));
        configProps.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
        configProps.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, JsonSerializer.class);
        configProps.put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 5000);
        return new DefaultKafkaProducerFactory<>(configProps);
    }
    
    @Bean
    public KafkaTemplate<String, MailContext> mailContextKafkaTemplate() {
        return new KafkaTemplate<>(mailContextProducerFactory());
    }
}