package roomescape.common.entity

import jakarta.persistence.Column
import jakarta.persistence.EntityListeners
import jakarta.persistence.Id
import jakarta.persistence.MappedSuperclass
import jakarta.persistence.PostLoad
import jakarta.persistence.PrePersist
import org.springframework.data.annotation.CreatedBy
import org.springframework.data.annotation.CreatedDate
import org.springframework.data.annotation.LastModifiedBy
import org.springframework.data.annotation.LastModifiedDate
import org.springframework.data.domain.Persistable
import org.springframework.data.jpa.domain.support.AuditingEntityListener
import java.time.LocalDateTime

@MappedSuperclass
@EntityListeners(AuditingEntityListener::class)
abstract class AuditingBaseEntity(
    @Id
    @Column(name = "id")
    private val _id: Long,

    @Transient
    private var isNewEntity: Boolean = true
) : Persistable<Long> {
    @Column(updatable = false)
    @CreatedDate
    lateinit var createdAt: LocalDateTime
        protected set

    @Column(updatable = false)
    @CreatedBy
    var createdBy: Long = 0L
        protected set

    @Column
    @LastModifiedDate
    lateinit var updatedAt: LocalDateTime
        protected set

    @Column
    @LastModifiedBy
    var updatedBy: Long = 0L
        protected set

    @PostLoad
    @PrePersist
    fun markNotNew() {
        isNewEntity = false
    }

    override fun getId(): Long = _id
    override fun isNew(): Boolean = isNewEntity
}