package com.ankurm.kafkabasics;

import java.math.BigDecimal;
import java.time.Instant;

/**
 * The payload. A record works as a Kafka value with no annotations at all, because Jackson 3
 * handles records natively — but note that it needs a canonical constructor the
 * deserializer can call, which is the one thing a record gives you for free and a Lombok
 * {@code @Builder}-only class does not.
 *
 * @param orderId the partition key. Same customer, same order, same partition, same order of
 * delivery — see docs/04-keys-and-partitions.md
 */
public record OrderEvent(String orderId, String customerId, BigDecimal amount, Instant placedAt) {

	public static OrderEvent of(String orderId, String customerId, String amount) {
		return new OrderEvent(orderId, customerId, new BigDecimal(amount),
				Instant.parse("2026-08-29T10:15:30Z"));
	}

}