package cn.lihu.jh.module.ecg.dal.mysql.queue;

import cn.lihu.jh.framework.common.pojo.PageResult;
import cn.lihu.jh.framework.mybatis.core.query.LambdaQueryWrapperX;
import cn.lihu.jh.framework.mybatis.core.mapper.BaseMapperX;
import cn.lihu.jh.module.ecg.dal.dataobject.queue.QueueDO;
import cn.lihu.jh.module.ecg.dal.dataobject.queue.BedQueueStatisticDO;
import cn.lihu.jh.module.ecg.dal.dataobject.queue.QueueStatisticDO;
import org.apache.ibatis.annotations.*;
import cn.lihu.jh.module.ecg.controller.admin.queue.vo.*;

import java.util.List;

/**
 * 排队 Mapper
 *
 * @author 芋道源码
 */
@Mapper
public interface QueueMapper extends BaseMapperX<QueueDO> {

    default PageResult<QueueDO> selectPage(QueuePageReqVO reqVO) {
        return selectPage(reqVO, new LambdaQueryWrapperX<QueueDO>()
                .eqIfPresent(QueueDO::getPatId, reqVO.getPatId())
                .likeIfPresent(QueueDO::getPatName, reqVO.getPatName())
                .eqIfPresent(QueueDO::getPatGender, reqVO.getPatGender())
                .eqIfPresent(QueueDO::getBookTimeslot, reqVO.getBookTimeslot())
                .eqIfPresent(QueueDO::getBookCheckType, reqVO.getBookCheckType())
                .eqIfPresent(QueueDO::getSeqNum, reqVO.getSeqNum())
                .inIfPresent(QueueDO::getStatus, reqVO.getStatus())
                .eqIfPresent(QueueDO::getPassed, reqVO.getPassed())
                .eqIfPresent(QueueDO::getExpired, reqVO.getExpired())
                .eqIfPresent(QueueDO::getRoomId, reqVO.getRoomId())
                .eqIfPresent(QueueDO::getBedNo, reqVO.getBedNo())
                .betweenIfPresent(QueueDO::getCreateTime, reqVO.getCreateTime())
                .orderByDesc(QueueDO::getId));
    }

    @Select("SELECT max(seq_num) FROM lihu.queue")
    Integer getMaxSeqNum();

    @Select("SELECT * FROM lihu.queue where seq_num = #{seqNum}")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    QueueDO getQueueItemBySeqNum(@Param("seqNum")Integer seqNum);

    @Select("SELECT * FROM lihu.queue where pat_id = #{patId} and book_check_type = #{bookCheckType}")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    QueueDO getQueueByPatId(@Param("patId")String patId, @Param("bookCheckType")Integer bookCheckType);

    @Select("""
            <script>
                SELECT * FROM lihu.queue
                where room_id = #{roomId} and deleted = 0 and status in (
                 <foreach collection='statusList' separator=',' item='status'>
                   #{status} 
                 </foreach> )
                order by case
                           when status = 30 then 0
                           when status in (3, 5) then 1
                           else 2
                         end,
                         seq_num, book_timeslot
            </script>
            """)
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getRoomQueueByStatus(@Param("roomId")Long roomId, @Param("statusList")List<Integer> statusList);

    /**
     * 大屏取数。
     * <p>
     * 排序规则（需求8）：**就诊中(30) 置顶 → 过号(3/5) 与等候(10/15/20/12) 按排队序号 seq_num 升序混排**。
     * 原先用 {@code order by status desc}，会把过号(3/5)排到每一列最底部，
     * 在 {@code overflow-y:auto} 的列里滚不到，等同于"过号不显示"。
     * <p>
     * 同时补上 {@code deleted = 0}：本方法是自定义 {@code @Select}，
     * 会绕过 MyBatis-Plus 的 {@code @TableLogic} 逻辑删除过滤。
     */
    @Select("""
            <script>
                SELECT * FROM lihu.queue
                where deleted = 0 and status in (
                 <foreach collection='statusList' separator=',' item='status'>
                   #{status} 
                 </foreach> )
                order by case
                           when status = 30 then 0
                           when status in (3, 5) then 1
                           else 2
                         end,
                         seq_num, book_timeslot
            </script>
            """)
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getBigScreenQueueByStatus(@Param("statusList")List<Integer> statusList);

    @Select("<script>" +
            "SELECT * FROM lihu.queue " +
            "where pat_id = #{patId} " +
            "  and book_check_type in (" +
            "    <foreach collection='arrCheckType' separator=',' item='checkType'>" +
            "      #{checkType} " +
            "    </foreach> )" +
            "  and TO_DAYS(book_date) = TO_DAYS(NOW()) " +
            "</script>")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getCurPatGivenCheckTypes(@Param("patId")String patId, @Param("arrCheckType")Integer[] arrCheckType);

    @Select("<script>" +
            "SELECT * FROM lihu.queue " +
            "where pat_id = #{patId} " +
            "  and book_check_type in (" +
            "    <foreach collection='arrCheckType' separator=',' item='_checkType'>" +
            "      #{_checkType} " +
            "    </foreach> ) " +
            "  and status = #{status} " +
            "  and TO_DAYS(book_date) = TO_DAYS(NOW()) " +
            "</script>")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getCurPatGivenCheckTypesAndStatus(@Param("patId")String patId, @Param("arrCheckType")Integer[] arrCheckType, @Param("status")Integer status);

    @Select("<script>" +
            "SELECT * FROM lihu.queue " +
            "where pat_id = #{patId} " +
            "  and book_check_type in (" +
            "    <foreach collection='arrCheckType' separator=',' item='_checkType'>" +
            "      #{_checkType} " +
            "    </foreach> ) " +
            "  and status in (" +
            "    <foreach collection='statusList' separator=',' item='_status'>" +
            "      #{_status} " +
            "    </foreach> ) " +
            "  and TO_DAYS(book_date) = TO_DAYS(NOW()) " +
            "</script>")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getCurPatGivenCheckTypesAndStatusList(@Param("patId")String patId, @Param("arrCheckType")Integer[] arrCheckType, @Param("statusList")List<Integer> statusList);

    @Select("<script>" +
            "SELECT * FROM lihu.queue " +
            "where id >= #{from} and status in (" +
            " <foreach collection='statusList' separator=',' item='status'>" +
            "  #{status} " +
            " </foreach> )" +
            " limit #{size} " +
            " order by id" +
            "</script>")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getPartialQueueByStatus( @Param("statusList")List<Integer> statusList, @Param("from") Integer from, @Param("size") Integer size);

    @Select("<script>" +
            "SELECT count(1) as total_in_status FROM lihu.queue where status in (" +
            " <foreach collection='statusList' separator=',' item='status'>" +
            "  #{status} " +
            " </foreach> );" +
            "</script>")
    Integer statusStatistic(@Param("statusList")List<Integer> statusList);

    @Select("<script>" +
            "SELECT count(1) as total_in_status FROM lihu.queue where " +
            " deleted = 0 and book_date = CURDATE() and " +
            " status in ( " +
            " <foreach collection='statusList' separator=',' item='status'>" +
            "  #{status} " +
            " </foreach> ) " +
            " and book_check_type in ( " +
            " <foreach collection='checkTypes' separator=',' item='checkType'>" +
            "  #{checkType} " +
            " </foreach> ) " +
            "</script>")
    Integer checkTypeAndStatusStatistic( @Param("checkTypes")Integer[] checkTypes, @Param("statusList")List<Integer> statusList );

    @Select("<script>" +
            "SELECT room_id, bed_no, count(1) as total_in_status FROM lihu.queue where status in (" +
            " <foreach collection='statusList' separator=',' item='status'>" +
            " #{status} " +
            " </foreach> )" +
            " group by room_id, bed_no; "
            +"</script>")
    List<QueueStatisticDO> queueStatistic(@Param("statusList")List<Integer> statusList);

    @Select("<script>" +
            "SELECT status, count(1) as total_in_status FROM lihu.queue where " +
            " deleted = 0 and book_date = CURDATE() and " +
            " room_id = #{roomId} and bed_no = #{bedNo} " +
            " group by status " +
            "</script>")
    List<BedQueueStatisticDO> bedQueueStatistic(@Param("roomId")Long roomId, @Param("bedNo")String bedNo);

    @Select("<script>" +
            "SELECT status, count(1) as total_in_status FROM lihu.queue where " +
            " deleted = 0 and book_date = CURDATE() and " +
            " room_id = #{roomId} " +
            " group by status " +
            "</script>")
    List<BedQueueStatisticDO> roomQueueStatistic(@Param("roomId")Long roomId);

    @Select("<script>" +
            "SELECT count(1) FROM lihu.queue " +
            "where deleted = 0 and book_date = CURDATE() and " +
            " room_id = #{roomId} and bed_no = #{bedNo} and status in (" +
            " <foreach collection='statusList' separator=',' item='status'>" +
            "   #{status} " +
            " </foreach> )" +
            "</script>")
    Integer bedQueueStatisticByStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo, @Param("statusList")List<Integer> statusList);

    @Select("""
            <script>
                SELECT * FROM lihu.queue 
                where deleted = 0 and room_id = #{roomId} and bed_no = #{bedNo} and status in (
                  <foreach collection='statusList' separator=',' item='status'>
                    #{status} 
                  </foreach> ) 
                order by status desc, seq_num, book_timeslot 
            </script>
            """)
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    List<QueueDO> getBedQueueByStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo, @Param("statusList")List<Integer> statusList);

    @Select("""
            SELECT * from lihu.queue where room_id = #{roomId} and bed_no = #{bedNo}
               and status = #{curStatus} order by seq_num, book_timeslot limit 1
            """)
    QueueDO getBedFirstQueueItemByStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo, @Param("curStatus")Integer curStatus);

    /**
     * 【需求2 相关缺陷修复】按「工位 + 患者 + 检查类型 + 状态」**精确**定位队列行。
     * <p>
     * 用于替代 {@link #getBedFirstQueueItemByStatus}：后者只按"工位 + 状态取 seq_num 最小的一条"，
     * 当医生先点"放弃检查"（会把该患者置为 40）后再点"检查完成"时，
     * 会取到**下一位患者**并把他误置为已完成（详见 DevRentServiceImpl.routineFinishOperation）。
     */
    @Select("""
            SELECT * from lihu.queue
            where room_id = #{roomId} and bed_no = #{bedNo}
              and status = #{curStatus}
              and pat_id = #{patId}
              and book_check_type = #{checkType}
              and TO_DAYS(book_date) = TO_DAYS(NOW())
            order by seq_num limit 1
            """)
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    QueueDO getBedQueueItemByPatAndStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                          @Param("patId")String patId, @Param("checkType")Integer checkType,
                                          @Param("curStatus")Integer curStatus);

    /**
     * 按工位 + 状态 + 今日取**最近更新**的一条。
     * <p>
     * 比「seq_num 最小」更贴合"当前正在就诊/装机的那位患者"：seq_num 最小是本时段最早排队的，
     * 而 update_time 最新才是刚被叫号推进到该状态的。
     */
    @Select("""
            SELECT * from lihu.queue
            where room_id = #{roomId} and bed_no = #{bedNo}
              and status = #{curStatus}
              and TO_DAYS(book_date) = TO_DAYS(NOW())
            order by update_time desc, seq_num limit 1
            """)
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    QueueDO getBedLatestQueueItemByStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                          @Param("curStatus")Integer curStatus);

    @Select("""
            SELECT * from lihu.queue where apply_no = #{applyNo} and status = #{curStatus}  order by seq_num, book_timeslot limit 1
            """)
    QueueDO getBedFirstQueueItemByApplyNo(@Param("applyNo")String applyNo, @Param("curStatus")Integer curStatus);

    // 某个诊室范围内 [已领用] [已召回-安装] 人员 抢占, 会更新 [工位号]
    // 没有限定检查类型，不要使用时间槽
    @Select("<script> " +
            "select * from lihu.queue where room_id = #{roomId} and status in ( " +
            "       <foreach collection='curStatusList' separator=',' item='status'>" +
            "           #{status} " +
            "       </foreach> )" +
            "       order by seq_num, book_timeslot limit 1 " +
            "</script>" )
    QueueDO getRoomFirstQueueItemByStatus(@Param("roomId")Long roomId, @Param("curStatusList")List<Integer> curStatusList);

    @Select("<script> " +
            "select * from lihu.queue where appoint_id in ( " +
            "       <foreach collection='appointIdList' separator=',' item='appointId'>" +
            "           #{appointId} " +
            "       </foreach> )" +
            "</script>" )
    List<QueueDO> selectBookSeqNumByAppointIdList(@Param("appointIdList") List<Long> appointIdList);

/*
    @Select("select * from lihu.queue where room_id = #{roomId} and bed_no = #{bedNo} " +
            " and status = #{curStatus} and pat_id = #{patId} and book_check_type=#{checkType}")
    QueueDO XXX(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                       @Param("patId")String patId, @Param("checkType")Integer checkType,
                                       @Param("curStatus")Integer curStatus);
*/

    @Update("update lihu.queue set status = #{newStatus} where pat_id = #{patId} and book_check_type = #{checkType} and status = #{curStatus}; " )
    Integer updatePatientQueueStatus(@Param("patId")String patId, @Param("checkType")Integer checkType, @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    @Update("update lihu.queue set status = #{newStatus} where status = #{curStatus} and seq_num = \n" +
            "(select a.min_seq_num from \n" +
            " (select min(seq_num) as min_seq_num from lihu.queue where room_id = #{roomId} and bed_no = #{bedNo} and status = #{curStatus}) a )")
    Integer updateBedQueueStatus(@Param("roomId")Long roomId, @Param("bedNo")String bedNo, @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    // 弃用原因：需要先获取，判断逻辑处理后，再更新
    // 某个诊室范围内 [已领用] [已召回-安装] 人员 抢占, 会更新 [工位号]
    // 没有限定检查类型，不要使用时间槽
    @Update("<script> " +
            "update lihu.queue set status = #{newStatus}, bed_no = #{bedNo} where id = \n" +
            "  (select a.id from \n" +
            "    (select id from lihu.queue where room_id = #{roomId} " +
            "       and status in ( " +
            "           <foreach collection='curStatusList' separator=',' item='status'>" +
            "             #{status} " +
            "           </foreach> )" +
            "       order by seq_num, book_timeslot limit 1 " +
            "    ) a " +
            "  )" +
            "</script>"
    )
    Integer preemptToBeInstalledPatient(@Param("roomId")Long roomId, @Param("bedNo")String bedNo, @Param("curStatusList")List<Integer> curStatusList, @Param("newStatus")Integer newStatus);

    // 整个系统范围内 [排队中]人员 [被工位医生]抢占
    @Update("update lihu.queue set status = #{newStatus}, room_id = #{roomId}, room_name = #{roomName}, \n" +
            " bed_no = #{bedNo}, seq_num = #{seqNum} where id = \n" +
            "  (select a.id from \n" +
            "    (select id from lihu.queue where status = #{curStatus} and book_check_type= #{checkType} order by jump_flag desc, book_timeslot, create_time limit 1) a)")
    Integer preemptWaitingPatient(@Param("roomId")Long roomId, @Param("roomName")String roomName, @Param("bedNo")String bedNo,
                                  @Param("seqNum")Integer seqNum, @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus,
                                  @Param("checkType")Integer checkType);

    // 整个系统范围内 [排队中]人员 [被工位医生]抢占 根据 多个检查项目
    @Update("<script>" +
            "update lihu.queue set status = #{newStatus}, room_id = #{roomId}, room_name = #{roomName}, \n" +
            " bed_no = #{bedNo}, seq_num = #{seqNum} where id = \n" +
            "  (select a.id from \n" +
            "    (select id from lihu.queue where status = #{curStatus} " +
            "       and book_check_type in ( " +
            "           <foreach collection='checkTypeArray' separator=',' item='_checkType'>" +
            "             #{_checkType} " +
            "           </foreach> )" +
            "       order by jump_flag desc, book_timeslot, create_time limit 1) a) " +
            "</script>")
    Integer preemptWaitingPatientWithBedCheckTypes(@Param("roomId")Long roomId, @Param("roomName")String roomName, @Param("bedNo")String bedNo,
                                  @Param("seqNum")Integer seqNum, @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus,
                                  @Param("checkTypeArray")Integer[] checkTypeArray);

    @Update("update lihu.queue set status = #{newStatus}, seq_num = #{seqNum} " +
            " where id = " +
            "  (select a.id from \n" +
            "    (select id from lihu.queue where room_id = #{roomId} and bed_no = #{bedNo} and status = #{curStatus} " +
            "      order by seq_num, book_timeslot limit 1" +
            "    ) a" +
            "  )" )
    Integer queueRecalledPatient(@Param("roomId")Long roomId, @Param("roomName")String roomName, @Param("bedNo")String bedNo,
                                 @Param("seqNum")Integer seqNum, @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    // 常规检查 或 领用 的患者召回, 原工位处理
    @Update("update lihu.queue set status = #{newStatus}, passed = 1 " +
            " where room_id = #{roomId} and bed_no = #{bedNo} and status = #{curStatus} and pat_id = #{patId} and book_check_type=#{checkType}")
    Integer recallPassedPatient(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                @Param("patId")String patId, @Param("checkType")Integer checkType,
                                @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    // 装机医生 允许抢占 本科室 [安装过号] 的患者
    @Update("update lihu.queue set status = #{newStatus}, bed_no = #{bedNo}, passed = 1 " +
            " where room_id = #{roomId} and status = #{curStatus} and pat_id = #{patId} and book_check_type=#{checkType}")
    Integer recallPassedInstallPatient(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                       @Param("patId")String patId, @Param("checkType")Integer checkType,
                                @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    @Update("update lihu.queue set jump_flag = #{jumped} " +
            " where status = #{curStatus} and pat_id = #{patId} and book_check_type=#{bookCheckType}")
    Integer queueJump(@Param("patId")String patId, @Param("bookCheckType")Integer bookCheckType,
                      @Param("curStatus")Integer curStatus, @Param("jumped")Byte jumped );

    // ==================== 需求2：误点「叫号 / 检查完成」的撤销 ====================

    /**
     * 撤销「检查完成」：把本工位今日的**指定患者**从 已就诊(40) 退回 候诊中(20)。
     * <p>
     * 必须按 {@code pat_id + book_check_type + 今日} 精确定位，**不能**只按
     * "工位 + status=40 取第一条"——那会在期间已叫下一位患者时误改他人（见
     * {@code DevRentServiceImpl.routineFinishOperation} 的既有缺陷）。
     * <p>
     * {@code passed = 0} 是为了让患者重新回到正常候诊序列（非"过号"态）。
     */
    @Update("update lihu.queue set status = #{newStatus}, passed = 0 " +
            " where room_id = #{roomId} and bed_no = #{bedNo} and status = #{curStatus} " +
            "   and pat_id = #{patId} and book_check_type = #{checkType} " +
            "   and TO_DAYS(book_date) = TO_DAYS(NOW())")
    Integer undoFinishPatient(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                              @Param("patId")String patId, @Param("checkType")Integer checkType,
                              @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    /**
     * 撤销「误点叫号」：把本工位当前 就诊中(30) 的患者退回 候诊中(20)。
     * <p>
     * 仅按工位+状态定位（"当前正在就诊的那一位"），不使用 seq_num 子查询，
     * 避免与 {@code updateBedQueueStatus} 的写法混淆。
     */
    @Update("update lihu.queue set status = #{newStatus} " +
            " where id = " +
            "  (select a.id from " +
            "    (select id from lihu.queue where room_id = #{roomId} and bed_no = #{bedNo} " +
            "       and status = #{curStatus} and TO_DAYS(book_date) = TO_DAYS(NOW()) " +
            "       order by seq_num, book_timeslot limit 1) a)")
    Integer undoCallPatient(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                            @Param("curStatus")Integer curStatus, @Param("newStatus")Integer newStatus);

    /**
     * 取本工位今日**最近一位已完成**的患者（用于界面提示"可撤销的是谁"）。
     */
    @Select("SELECT * FROM lihu.queue where room_id = #{roomId} and bed_no = #{bedNo} " +
            " and status = #{status} and TO_DAYS(book_date) = TO_DAYS(NOW()) " +
            " order by update_time desc, seq_num desc limit 1")
    @Results({
            @Result(property = "patDetails", column = "pat_details", typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler.class)
    })
    QueueDO getBedLastFinishedQueueItem(@Param("roomId")Long roomId, @Param("bedNo")String bedNo,
                                        @Param("status")Integer status);

    //@Update("TRUNCATE TABLE lihu.queue")
    @Delete("delete from lihu.queue where TO_DAYS(book_date) != TO_DAYS(NOW())")
    void clearQueue();
}