package com.codebyte.api.common.audit;

import jakarta.persistence.Column;
import jakarta.persistence.EntityListeners;
import jakarta.persistence.MappedSuperclass;
import java.time.Instant;
import lombok.Getter;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

/**
 * Base class for entities that carry creation/modification timestamps. The timestamps are populated
 * by JPA auditing (see {@link JpaAuditingConfig}); there are deliberately no setters — they are
 * managed by the framework, never by application code.
 */
@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
@Getter
public abstract class BaseAuditableEntity {

    @CreatedDate
    @Column(name = "created_at", nullable = false, updatable = false)
    private Instant createdAt;

    @LastModifiedDate
    @Column(name = "updated_at", nullable = false)
    private Instant updatedAt;
}