package com.guwan.backend.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.guwan.backend.entity.SysLog;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.List;

@Mapper
public interface SysLogMapper extends BaseMapper<SysLog> {
    
    /**
     * 分页查询日志
     */
    @Select("SELECT * FROM sys_log WHERE user_id = #{userId} ORDER BY create_time DESC")
    IPage<SysLog> selectPageByUserId(Page<SysLog> page, @Param("userId") Long userId);
    
    /**
     * 查询指定时间范围内的日志
     */
    @Select("SELECT * FROM sys_log WHERE create_time BETWEEN #{startTime} AND #{endTime}")
    List<SysLog> selectByTimeRange(@Param("startTime") LocalDateTime startTime, 
                                  @Param("endTime") LocalDateTime endTime);
    
    /**
     * 查询用户的操作统计
     */
    @Select("SELECT operation, COUNT(*) as count FROM sys_log " +
            "WHERE user_id = #{userId} GROUP BY operation")
    List<OperationCount> selectUserOperationCount(@Param("userId") Long userId);
    
    /**
     * 查询错误日志
     */
    @Select("SELECT * FROM sys_log WHERE status = 0 ORDER BY create_time DESC LIMIT #{limit}")
    List<SysLog> selectLatestErrors(@Param("limit") Integer limit);
}