package com.trafficaudit.observation.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.trafficaudit.observation.dto.ObservationDateSummary;
import com.trafficaudit.observation.entity.ObservationStationFlow;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface ObservationStationFlowMapper extends BaseMapper<ObservationStationFlow> {

    @Select("SELECT obs_date, COUNT(*) AS station_count, "
            + "SUM(small_medium_passenger) AS small_medium_passenger_total, "
            + "MAX(updated_at) AS imported_at "
            + "FROM observation_station_flow GROUP BY obs_date ORDER BY obs_date ASC")
    List<ObservationDateSummary> selectDateSummary();
}