package com.example.caseData.dao;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.caseData.dto.caseClinicalArticle.CaseClinicalArticleDto;
import com.example.caseData.dto.caseExchange.CaseExchangeDto;
import com.example.caseData.model.CaseClinicalArticleModel;
import com.example.caseData.model.CaseExchangeModel;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Update;

import java.util.Map;

@Mapper
public interface CaseExchangeDao extends BaseMapper<CaseExchangeModel> {

    /**
     * 临床病例库-搜索
     * @param page 分页数据
     * @param keyword 搜索关键词-标题/医生名称/标签名称
     * @param order 排序
     */
    IPage<CaseExchangeDto> getCaseExchangeSearchPage(
            Page<?> page,
            @Param("keyword") String keyword,
            @Param("userId") String userId,
            @Param("order") Map<String, String> order
    );

    /**
     * Inc 自增
     * @param exchangeId 文章 ID
     * @param field     字段名称
     * @param numeral   增加的数值
     * @return 更新的行数
     */
    @Update("UPDATE case_exchange SET ${field} = ${field} + #{numeral} WHERE exchange_id = #{exchangeId}")
    int inc(@Param("exchangeId") Long exchangeId, @Param("field") String field, @Param("numeral") int numeral);

    /**
     * Dec 自减
     *
     * @param exchangeId 文章 ID
     * @param field     字段名称
     * @param numeral   减少的数值
     * @return 更新的行数
     */
    @Update("UPDATE case_exchange SET ${field} = ${field} - #{numeral} WHERE exchange_id = #{exchangeId}")
    int dec(@Param("exchangeId") Long exchangeId, @Param("field") String field, @Param("numeral") int numeral);
}