package com.designhub.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.designhub.entity.ProgressDeductionLog;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.math.BigDecimal;

/**
 * 进度未更新扣分记录Mapper
 */
@Mapper
public interface ProgressDeductionLogMapper extends BaseMapper<ProgressDeductionLog> {

    /**
     * 查询用户指定月份的扣分总额（仅主任务）
     */
    @Select("SELECT COALESCE(SUM(deduction_score), 0) FROM progress_deduction_log " +
            "WHERE user_id = #{userId} " +
            "AND YEAR(deduction_date) = #{year} " +
            "AND MONTH(deduction_date) = #{month} " +
            "AND task_item_id IS NULL")
    BigDecimal sumMonthlyDeduction(@Param("userId") Long userId, 
                                    @Param("year") int year, 
                                    @Param("month") int month);

    /**
     * 查询用户总扣分
     */
    @Select("SELECT COALESCE(SUM(deduction_score), 0) FROM progress_deduction_log WHERE user_id = #{userId}")
    BigDecimal sumTotalDeduction(@Param("userId") Long userId);
}