package com.yd.oss.service.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.time.LocalDateTime;

@Configuration
public class OssMybatisPlusConfig {

    /**
     * 分页插件配置（必须）
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        // 使用正确的枚举值 DbType.MYSQL
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }

    /**
     * 自动填充字段配置（如创建时间、更新时间）
     */
    @Bean
    public MetaObjectHandler metaObjectHandler() {
        return new MetaObjectHandler() {
            @Override
            public void insertFill(MetaObject metaObject) {
                this.strictInsertFill(metaObject, "createTime", LocalDateTime.class, LocalDateTime.now());
            }

            @Override
            public void updateFill(MetaObject metaObject) {
                this.strictUpdateFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());
            }
        };
    }
}
