package com.wok.supportbot.entity;

import com.baomidou.mybatisplus.annotation.*;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serial;
import java.io.Serializable;
import java.util.Date;

/**
 * 系统配置实体（key-value 模式，支持灵活扩展）
 */
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
@TableName("system_config")
public class SystemConfig implements Serializable {

    @Serial
    @TableField(exist = false)
    private static final long serialVersionUID = 1L;

    /** 主键ID（雪花算法） */
    @TableId(value = "id", type = IdType.ASSIGN_ID)
    @JsonSerialize(using = ToStringSerializer.class)
    private Long id;

    /** 配置键（唯一标识，如 "disclaimer"） */
    @TableField("config_key")
    private String configKey;

    /** 配置值 */
    @TableField("config_value")
    private String configValue;

    /** 描述说明 */
    @TableField("description")
    private String description;

    /** 创建时间 */
    @TableField(value = "create_time", fill = FieldFill.INSERT)
    private Date createTime;

    /** 更新时间 */
    @TableField(value = "update_time", fill = FieldFill.INSERT_UPDATE)
    private Date updateTime;

    /** 逻辑删除标识 */
    @TableField("is_delete")
    @TableLogic
    private boolean isDelete;
}