package com.rongyichuang.common.entity;

import jakarta.persistence.*;

import java.time.LocalDateTime;

/**
 * 基础实体类
 */
@MappedSuperclass
public abstract class BaseEntity {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    /**
     * 创建时间
     */
    @Column(name = "create_time", nullable = false, updatable = false)
    private LocalDateTime createTime;

    /**
     * 更新时间
     */
    @Column(name = "update_time")
    private LocalDateTime updateTime;

    /**
     * 创建用户ID
     */
    @Column(name = "create_user_id")
    private Long createUserId;

    /**
     * 更新用户ID
     */
    @Column(name = "update_user_id")
    private Long updateUserId;

    /**
     * 版本号（乐观锁）
     */
    @Version
    @Column(name = "version", nullable = false)
    private Long version = 0L;

    @PrePersist
    protected void onCreate() {
        createTime = LocalDateTime.now();
        updateTime = LocalDateTime.now();
        if (version == null) {
            version = 0L;
        }
    }

    @PreUpdate
    protected void onUpdate() {
        updateTime = LocalDateTime.now();
    }

    // Getters and Setters
    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public LocalDateTime getCreateTime() {
        return createTime;
    }

    public void setCreateTime(LocalDateTime createTime) {
        this.createTime = createTime;
    }

    public LocalDateTime getUpdateTime() {
        return updateTime;
    }

    public void setUpdateTime(LocalDateTime updateTime) {
        this.updateTime = updateTime;
    }

    public Long getCreateUserId() {
        return createUserId;
    }

    public void setCreateUserId(Long createUserId) {
        this.createUserId = createUserId;
    }

    public Long getUpdateUserId() {
        return updateUserId;
    }

    public void setUpdateUserId(Long updateUserId) {
        this.updateUserId = updateUserId;
    }

    public Long getVersion() {
        return version;
    }

    public void setVersion(Long version) {
        this.version = version;
    }
}