package backend

import (
	"context"
	"errors"
	"fmt"
	"kpt-pasture/model"
	"kpt-pasture/util"
	"net/http"
	"strings"

	"gitee.com/xuyiping_admin/pkg/logger/zaplog"
	"go.uber.org/zap"

	pasturePb "gitee.com/xuyiping_admin/go_proto/proto/go/backend/cow"
	"gitee.com/xuyiping_admin/pkg/xerr"
	"gorm.io/gorm"
)

func (s *StoreEntry) CalvingList(ctx context.Context, req *pasturePb.SearchEventRequest, pagination *pasturePb.PaginationModel) (*pasturePb.SearchLavingEventResponse, error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return nil, xerr.WithStack(err)
	}

	lavingList := make([]*model.EventCalvingList, 0)
	var count int64 = 0
	pref := s.DB.Table(fmt.Sprintf("%s as a", new(model.EventCalving).TableName())).
		Select(`a.*,b.name as pen_name,c.name as staff_member_name`).
		Joins(fmt.Sprintf("JOIN %s AS b on a.pen_id = b.id", new(model.Pen).TableName())).
		Joins(fmt.Sprintf("JOIN %s AS c on a.operation_id = c.id", new(model.SystemUser).TableName())).
		Where("a.pasture_id = ?", userModel.AppPasture.Id).Where("a.status = ?", pasturePb.IsShow_No)

	if len(req.CowId) > 0 {
		cowIds := strings.Split(req.CowId, ",")
		pref.Where("a.cow_id IN ?", cowIds)
	}

	if err = pref.Order("a.id desc").
		Count(&count).Limit(int(pagination.PageSize)).
		Offset(int(pagination.PageOffset)).
		Find(&lavingList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}

	calvingIds := make([]int64, 0)
	for _, v := range lavingList {
		calvingIds = append(calvingIds, v.Id)
	}
	calvingCalfList := make([]*model.CalvingCalf, 0)
	if err = s.DB.Model(new(model.CalvingCalf)).
		Where("calving_id IN ?", calvingIds).
		Find(&calvingCalfList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}

	return &pasturePb.SearchLavingEventResponse{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &pasturePb.SearchLavingData{
			List:     model.EventCalvingListSlice(lavingList).ToPB(calvingCalfList),
			Total:    int32(count),
			PageSize: pagination.PageSize,
			Page:     pagination.Page,
		},
	}, nil
}

func (s *StoreEntry) CalvingCreate(ctx context.Context, req *pasturePb.EventCalving) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	cow, err := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, int64(req.CowId))
	if err != nil {
		zaplog.Error("CalvingCreate", zap.Any("cow_id", req.CowId), zap.Any("err", err))
		return xerr.Custom("请选择相关牛只")
	}

	if len(req.CalfItemList) != int(req.ChildNumber) {
		return xerr.Custom("犊牛信息与产子数不相符")
	}

	if cow.IsPregnant != pasturePb.IsShow_Ok || cow.BreedStatus != pasturePb.BreedStatus_Pregnant {
		return xerr.Custom("该母牛未配种")
	}

	operationUser, err := s.GetSystemUserById(ctx, int64(req.OperationId))
	if err != nil {
		return xerr.Customf("获取操作人员信息失败: %s", err.Error())
	}
	req.OperationName = operationUser.Name

	penMap := s.PenMap(ctx, userModel.AppPasture.Id)
	newEventCalving := &model.EventCalving{}
	if err = s.DB.Model(new(model.EventCalving)).
		Where("cow_id = ?", cow.Id).
		Where("lact = ?", cow.Lact).
		Where("status = ?", pasturePb.IsShow_No).
		First(newEventCalving).Error; err != nil {
		return xerr.Custom("该母牛信息不存在")
	}
	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		// 更新产犊事件表
		newEventCalving.EventUpdate(operationUser, userModel.SystemUser, req, cow)
		if err = tx.Model(new(model.EventCalving)).
			Select("operation_id", "operation_name", "message_id", "message_name", "reality_day", "day_age", "pregnancy_age",
				"bull_number", "calving_level", "child_number", "status", "is_inducing_childbirth", "pen_id", "dystocia_reason", "remarks").
			Where("id = ?", newEventCalving.Id).
			Updates(newEventCalving).Error; err != nil {
			return xerr.WithStack(err)
		}

		for _, calf := range req.CalfItemList {
			// 犊牛信息
			newCalvingCalf := model.NewEventCalvingCalf(userModel.AppPasture.Id, int64(req.CowId), newEventCalving.Id, int64(req.CalvingAt), penMap, calf)
			if err = tx.Create(newCalvingCalf).Error; err != nil {
				return xerr.WithStack(err)
			}

			if calf.IsLive == pasturePb.IsShow_No || calf.IsAdoption == pasturePb.IsShow_No {
				continue
			}

			newCalfCow := model.NewCalfCow(cow.NeckRingNumber, cow.LastBullNumber, newCalvingCalf)
			if err = tx.Create(newCalfCow).Error; err != nil {
				return xerr.WithStack(err)
			}
			if err = tx.Model(new(model.CalvingCalf)).Where("id = ?", newCalvingCalf.Id).Update("cow_id", newCalfCow.Id).Error; err != nil {
				return xerr.WithStack(err)
			}

			// 犊牛日志
			cowLogs := s.SubmitEventLog(ctx, userModel.AppPasture.Id, newCalfCow, pasturePb.EventType_Birth, pasturePb.ExposeEstrusType_Invalid, calf)
			if err = tx.Table(cowLogs.TableName()).Create(cowLogs).Error; err != nil {
				return xerr.WithStack(err)
			}
		}

		// 更新母牛信息
		cow.EventCalvingUpdate(int64(req.CalvingAt))
		if err = tx.Model(cow).
			Select("calving_age", "mating_times", "pregnancy_age", "lact", "breed_status", "is_pregnant", "last_calving_at").
			Where("id = ?", cow.Id).
			Updates(cow).Error; err != nil {
			return xerr.WithStack(err)
		}

		// 母牛事件日志
		cowLogs := s.SubmitEventLog(ctx, userModel.AppPasture.Id, cow, pasturePb.EventType_Calving, pasturePb.ExposeEstrusType_Invalid, req)
		if err = tx.Table(cowLogs.TableName()).Create(cowLogs).Error; err != nil {
			return xerr.WithStack(err)
		}

		return nil
	}); err != nil {
		return xerr.WithStack(err)
	}
	return nil
}

func (s *StoreEntry) SameTimeCreate(ctx context.Context, req *pasturePb.EventSameTime) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	operationUser, err := s.GetSystemUserById(ctx, int64(req.OperationId))
	if err != nil {
		return xerr.WithStack(err)
	}

	eventCowSameTime, err := s.GetEventCowSameTimeByCowId(ctx, userModel.AppPasture.Id, int64(req.CowId))
	if err != nil {
		zaplog.Error("SameTimeCreate", zap.Any("err", err), zap.Any("req", req))
		return xerr.Customf("异常数据")
	}

	drugs := &model.Drugs{}
	if drugs, err = s.GetDrugsById(ctx, userModel.AppPasture.Id, int64(req.DrugsId)); err != nil {
		zaplog.Error("SameTimeCreate", zap.Any("err", err), zap.Any("req", req))
		return xerr.Customf("该药品不存在: %d", req.DrugsId)
	}
	req.DrugsName = drugs.Name
	eventCowSameTime.EventUpdate(drugs, req.Usage, req.Remarks, operationUser, userModel.SystemUser)

	defer func() {
		if err == nil {
			// 记录牛只事件日志
			cow, _ := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, eventCowSameTime.CowId)
			cowLogs := s.SubmitEventLog(ctx, userModel.AppPasture.Id, cow, pasturePb.EventType_Seme_Time, pasturePb.ExposeEstrusType_Same_Time, req)
			s.DB.Table(cowLogs.TableName()).Create(cowLogs)
		}
	}()

	if err = s.DB.Model(new(model.EventCowSameTime)).
		Select("status", "drugs_id", "unit", "usage", "remarks", "operation_id", "operation_name").
		Where("id = ?", eventCowSameTime.Id).
		Updates(eventCowSameTime).Error; err != nil {
		return xerr.WithStack(err)
	}
	return nil
}

func (s *StoreEntry) SameTimeBatch(ctx context.Context, req *pasturePb.EventSameTimeBatch) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	operationUser, err := s.GetSystemUserById(ctx, int64(req.OperationId))
	if err != nil {
		return xerr.Customf("异常数据")
	}
	req.OperationName = operationUser.Name

	drugs := &model.Drugs{}
	if drugs, err = s.GetDrugsById(ctx, userModel.AppPasture.Id, int64(req.DrugsId)); err != nil {
		zaplog.Error("SameTimeBatch", zap.Any("err", err), zap.Any("req", req))
		return xerr.Customf("该药物不存在: %d", req.DrugsId)
	}
	req.DrugsName = drugs.Name

	eventCowSameTimeList := make([]*model.EventCowSameTime, 0)
	for _, v := range req.CowIds {
		eventCowSameTime, err := s.GetEventCowSameTimeByCowId(ctx, userModel.AppPasture.Id, int64(v))
		if err != nil {
			zaplog.Error("SameTimeCreate", zap.Any("err", err), zap.Any("req", req))
			return xerr.WithStack(err)
		}
		eventCowSameTimeList = append(eventCowSameTimeList, eventCowSameTime)
	}

	defer func() {
		// 记录牛只事件日志
		if err == nil {
			for _, v := range eventCowSameTimeList {
				cow, _ := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, v.CowId)
				cowLogs := s.SubmitEventLog(
					ctx,
					userModel.AppPasture.Id,
					cow,
					pasturePb.EventType_Seme_Time,
					pasturePb.ExposeEstrusType_Same_Time,
					&pasturePb.EventSameTime{
						Id:               int32(v.Id),
						CowId:            int32(v.CowId),
						SameTimeId:       int32(v.SameTimeId),
						SameTimeType:     v.SameTimeType,
						SameTimeTypeName: v.SameTimeName,
						DrugsId:          int32(v.DrugsId),
						DrugsName:        drugs.Name,
						Usage:            req.Usage,
						OperationId:      int32(operationUser.Id),
						OperationName:    operationUser.Name,
						SameTimeAt:       req.SameTimeAt,
					})
				s.DB.Table(cowLogs.TableName()).Create(cowLogs)
			}
		}
	}()

	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		for _, v := range eventCowSameTimeList {
			// 更新SameTime
			v.EventUpdate(drugs, req.Usage, req.Remarks, userModel.SystemUser, operationUser)
			if err = tx.Model(new(model.EventCowSameTime)).
				Select("status", "drugs_id", "unit", "usage", "remarks", "operation_id", "operation_name").
				Where("id = ?", v.Id).
				Updates(v).Error; err != nil {
				return xerr.WithStack(err)
			}
		}
		return nil
	}); err != nil {
		return xerr.WithStack(err)
	}
	return nil
}

func (s *StoreEntry) SameTimeList(
	ctx context.Context,
	req *pasturePb.SearchEventRequest,
	pagination *pasturePb.PaginationModel,
) (*pasturePb.SearchSameTimeResponse, error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return nil, xerr.WithStack(err)
	}

	cowSameTimeList := make([]*model.EventCowSameTime, 0)
	var count int64 = 0
	pref := s.DB.Table(new(model.EventCowSameTime).TableName()).Where("pasture_id = ?", userModel.AppPasture.Id)
	if req.CowId != "" {
		cowIds := strings.Split(req.CowId, ",")
		pref.Where("cow_id IN ?", cowIds)
	}

	if err = pref.Count(&count).
		Limit(int(pagination.PageSize)).
		Offset(int(pagination.PageOffset)).
		Find(&cowSameTimeList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}

	sameTimeTypeMap := s.SameTimeTypeMap()
	return &pasturePb.SearchSameTimeResponse{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &pasturePb.SameTimeData{
			List:     model.EventCowSameTimeSlice(cowSameTimeList).ToPB(sameTimeTypeMap),
			Total:    int32(count),
			PageSize: pagination.PageSize,
			Page:     pagination.Page,
		},
	}, nil
}

func (s *StoreEntry) EstrusList(ctx context.Context, req *pasturePb.EstrusItemsRequest, pagination *pasturePb.PaginationModel) (*pasturePb.SearchEventEstrusResponse, error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return nil, xerr.WithStack(err)
	}

	estrusList := make([]*model.EventEstrus, 0)
	var count int64 = 0
	pref := s.DB.Table(new(model.EventEstrus).TableName()).
		Where("is_show = ?", pasturePb.IsShow_Ok).
		Where("pasture_id = ?", userModel.AppPasture.Id).
		Where("expose_estrus_type = ?", pasturePb.ExposeEstrusType_Natural_Estrus)
	if len(req.CowIds) > 0 {
		cowIds := strings.Split(util.ArrayInt32ToStrings(req.CowIds, ","), ",")
		pref.Where("cow_id IN ?", cowIds)
	}

	if req.Level > 0 {
		pref.Where("level = ?", req.Level)
	}

	if len(req.PenIds) > 0 {
		penIds := strings.Split(util.ArrayInt32ToStrings(req.PenIds, ","), ",")
		pref.Where("pen_id IN ?", penIds)
	}

	if err = pref.Order("id desc").
		Count(&count).Limit(int(pagination.PageSize)).
		Offset(int(pagination.PageOffset)).
		Find(&estrusList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}

	return &pasturePb.SearchEventEstrusResponse{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &pasturePb.SearchEventEstrusData{
			List:     model.EventEstrusSlice(estrusList).ToPB(),
			Total:    int32(count),
			PageSize: pagination.PageSize,
			Page:     pagination.Page,
		},
	}, nil
}

func (s *StoreEntry) EstrusBatchMating(ctx context.Context, req *pasturePb.EventNaturalEstrusBatch) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	eventEstrusList, eventMatingList, err := s.EstrusCheckDataCheck(ctx, userModel, req.Items)
	if err != nil {
		return xerr.WithStack(err)
	}

	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		if len(eventMatingList) > 0 {
			if err = tx.Model(new(model.EventMating)).Create(eventMatingList).Error; err != nil {
				return xerr.WithStack(err)
			}
		}

		if len(eventEstrusList) > 0 {
			if err = tx.Model(new(model.EventEstrus)).Create(eventEstrusList).Error; err != nil {
				return xerr.WithStack(err)
			}
		}
		// 记录事件日志
		for _, v := range eventEstrusList {
			cow, _ := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, v.CowId)
			cowLogs := s.SubmitEventLog(ctx, userModel.AppPasture.Id, cow, pasturePb.EventType_Estrus, v.ExposeEstrusType, v)
			if err = tx.Table(cowLogs.TableName()).Create(cowLogs).Error; err != nil {
				return xerr.WithStack(err)
			}
		}
		return nil
	}); err != nil {
		return xerr.WithStack(err)
	}
	return nil
}

func (s *StoreEntry) MatingList(ctx context.Context, req *pasturePb.SearchEventRequest, pagination *pasturePb.PaginationModel) (*pasturePb.EventMatingResponse, error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return nil, xerr.WithStack(err)
	}

	matingList := make([]*model.EventMating, 0)
	var count int64 = 0
	pref := s.DB.Model(new(model.EventMating)).
		Where("mating_result > ?", pasturePb.MatingResult_Invalid).
		Where("status = ?", pasturePb.IsShow_Ok).
		Where("pasture_id = ?", userModel.AppPasture.Id)
	if len(req.CowId) > 0 {
		cowIds := strings.Split(req.CowId, ",")
		pref.Where("cow_id IN ?", cowIds)
	}

	if err = pref.Order("id desc").
		Count(&count).Limit(int(pagination.PageSize)).
		Offset(int(pagination.PageOffset)).
		Find(&matingList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}

	exposeEstrusTypeMap := s.ExposeEstrusTypeMap()
	return &pasturePb.EventMatingResponse{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &pasturePb.SearchMatingData{
			List:     model.EventMatingSlice(matingList).ToPB(exposeEstrusTypeMap),
			Total:    int32(count),
			PageSize: pagination.PageSize,
			Page:     pagination.Page,
		},
	}, nil
}

// MatingCreate 牛只配种
func (s *StoreEntry) MatingCreate(ctx context.Context, req *pasturePb.EventMating) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	eventMatingCheckModel, err := s.MatingCreateCheck(ctx, userModel.AppPasture.Id, req)
	if err != nil {
		return xerr.WithStack(err)
	}

	req.OperationName = eventMatingCheckModel.OperationUser.Name
	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		for _, cow := range eventMatingCheckModel.CowList {
			// 获取牛只最近一次配种信息
			lastEventMating, err := s.FindLastEventMatingByCowId(ctx, userModel.AppPasture.Id, cow.Id)
			if err != nil {
				// 1. 没有配种信息，（第一次参加配种的牛只，并且没有参与同期的牛只 ）
				if errors.Is(err, gorm.ErrRecordNotFound) {
					newMating := model.NewEventMatingNaturalEstrus(userModel.AppPasture.Id, cow, req, userModel.SystemUser)
					if err = tx.Create(newMating).Error; err != nil {
						return xerr.WithStack(err)
					}
					if err = s.MatingCowUpdate(ctx, userModel.AppPasture.Id, cow, req, false); err != nil {
						return xerr.WithStack(err)
					}
					continue
				} else {
					return xerr.WithStack(err)
				}
			}

			// 2. 所有有配种数据的牛只
			if lastEventMating == nil || lastEventMating.Id <= 0 || lastEventMating.Status != pasturePb.IsShow_No {
				zaplog.Error("MatingCreate", zap.Any("cow", cow), zap.Any("UserModel", userModel))
				return xerr.Customf("牛只配种数据异常: %d", cow.EarNumber)
			}

			// 2.1 复配 => 本胎次配次不加1
			isReMating := lastEventMating.IsReMating(cow, int64(req.MatingAt))
			if isReMating {
				lastEventMating.EventReMatingUpdate(int64(req.MatingAt))
				if err = tx.Model(lastEventMating).
					Select("mating_result", "mating_result_at", "status").
					Where("id = ?", lastEventMating.Id).
					Updates(lastEventMating).Error; err != nil {
				}
			}

			// 2.2.  同期初配
			IsMatingUpdate := lastEventMating.IsMatingUpdate()
			if IsMatingUpdate {
				lastEventMating.EventUpdate(int64(req.MatingAt), req.FrozenSemenNumber, isReMating, eventMatingCheckModel.OperationUser, userModel.SystemUser)
				if err = tx.Model(lastEventMating).
					Select("mating_at", "status", "reality_day", "frozen_semen_number", "operation_id", "operation_name", "message_id", "message_name").
					Where("id = ?", lastEventMating.Id).
					Updates(lastEventMating).Error; err != nil {
					return xerr.WithStack(err)
				}
			}

			// 2.3. 提交的配种数据中，定位出空怀的牛只,
			isEmptyMating := lastEventMating.IsEmptyMating(cow, int64(req.MatingAt))
			if isEmptyMating {
				// 把上次配种结果信息更新成空怀
				lastEventMating.EventMatingResultUpdate(pasturePb.MatingResult_Empty, int64(req.MatingAt))
				if err = tx.Model(lastEventMating).
					Select("mating_result", "mating_result_at").
					Where("id = ?", lastEventMating.Id).
					Updates(lastEventMating).Error; err != nil {
					return xerr.WithStack(err)
				}
				// 先创建一条新的配种数据
				newMating := model.NewEventMating(userModel.AppPasture.Id, cow, int64(req.MatingAt), req.ExposeEstrusType)
				newMating.EventUpdate(int64(req.MatingAt), req.FrozenSemenNumber, isReMating, eventMatingCheckModel.OperationUser, userModel.SystemUser)
				if err = tx.Model(newMating).Create(newMating).Error; err != nil {
					return xerr.WithStack(err)
				}

				// 更新牛只配种结果日志
				if err = s.UpdateMatingResultEventCowLogByCowId(ctx, cow.Id, s.MatingResultMap()[pasturePb.MatingResult_Empty]); err != nil {
					zaplog.Error("MatingCreate", zap.Any("UpdateEventCowLogByCowId", err), zap.Any("cow", cow))
				}
			}

			// 牛只基本中配种信息更新
			if err = s.MatingCowUpdate(ctx, userModel.AppPasture.Id, cow, req, isReMating); err != nil {
				return xerr.WithStack(err)
			}
		}

		// 创建冻精使用记录日志
		itemFrozenSemenLog := model.NewEventFrozenSemenLog(eventMatingCheckModel.FrozenSemen.PastureId, req)
		if err = tx.Create(itemFrozenSemenLog).Error; err != nil {
			return xerr.WithStack(err)
		}

		// 减去精液的数量
		eventMatingCheckModel.FrozenSemen.EventQuantityUpdate(req.FrozenSemenCount)
		if err = tx.Model(eventMatingCheckModel.FrozenSemen).
			Select("quantity").
			Where("id = ?", eventMatingCheckModel.FrozenSemen.Id).
			Updates(eventMatingCheckModel.FrozenSemen).Error; err != nil {
			return xerr.WithStack(err)
		}
		return nil
	}); err != nil {
		return xerr.WithStack(err)
	}

	return nil
}

func (s *StoreEntry) MatingCowUpdate(ctx context.Context, pastureId int64, cow *model.Cow, req *pasturePb.EventMating, isReMating bool) error {
	// 牛只基本中配种信息更新
	cow.EventMatingUpdate(int64(req.MatingAt), req.FrozenSemenNumber, isReMating)
	if err := s.DB.Model(cow).
		Select("last_mating_at", "mating_times", "last_bull_number", "first_mating_at", "is_pregnant", "breed_status").
		Where("id = ?", cow.Id).
		Updates(cow).Error; err != nil {
		return xerr.WithStack(err)
	}
	// 记录日志
	cowLogs := s.SubmitEventLog(ctx, pastureId, cow, pasturePb.EventType_Mating, req.ExposeEstrusType, req)
	if err := s.DB.Table(cowLogs.TableName()).Create(cowLogs).Error; err != nil {
		return xerr.WithStack(err)
	}
	return nil
}

func (s *StoreEntry) WeaningBatch(ctx context.Context, req *pasturePb.EventWeaningBatchRequest) (err error) {
	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	if len(req.Item) <= 0 {
		return nil
	}
	cowIds := make([]int64, 0)
	cowWeightMap := make(map[int64]float64)
	for _, item := range req.Item {
		cowIds = append(cowIds, int64(item.CowId))
		cowWeightMap[int64(item.CowId)] = float64(item.Weight)
	}

	eventWeaningList := make([]*model.EventWeaning, 0)
	if err = s.DB.Model(new(model.EventWeaning)).
		Where("cow_id IN ?", cowIds).
		Where("status = ?", pasturePb.IsShow_No).
		Find(&eventWeaningList).Error; err != nil {
		return xerr.WithStack(err)
	}

	operation, err := s.GetSystemUserById(ctx, int64(req.OperationId))
	if err != nil {
		return xerr.WithStack(err)
	}

	defer func() {
		if err != nil {
			for _, cowId := range cowIds {
				cow, _ := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, cowId)
				cowLogs := s.SubmitEventLog(ctx, userModel.AppPasture.Id, cow, pasturePb.EventType_Weaning, pasturePb.ExposeEstrusType_Invalid, req)
				s.DB.Table(cowLogs.TableName()).Create(cowLogs)
			}
		}
	}()

	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		cowInfo := &model.Cow{}
		for _, eventWeaning := range eventWeaningList {
			eventWeaning.EventUpdate(int64(req.WeaningAt), int32(cowWeightMap[cowInfo.Id]*1000), req.Remarks, req.PenId, operation, userModel.SystemUser)
			if err = tx.Model(new(model.EventWeaning)).
				Select("status", "reality_day", "operation_id", "operation_name", "message_id", "message_name", "remarks", "after_pen_id").
				Where("id = ?", eventWeaning.Id).
				Updates(eventWeaning).Error; err != nil {
				return xerr.WithStack(err)
			}
			cowInfo, err = s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, eventWeaning.CowId)
			if err != nil {
				return xerr.WithStack(err)
			}
			cowInfo.EventWeaningUpdate(int64(req.WeaningAt), req.PenId, int64(cowWeightMap[cowInfo.Id]*1000))
			if err = tx.Model(new(model.Cow)).
				Select("pen_id", "current_weight", "weaning_at", "last_weight_at").
				Where("id = ?", cowInfo.Id).
				Updates(cowInfo).Error; err != nil {
				return xerr.WithStack(err)
			}
			// 创建牛只的体重记录
			newEventWeight := model.NewEventWeight(
				userModel.AppPasture.Id,
				cowInfo,
				userModel.SystemUser,
				&pasturePb.EventWeight{
					WeightAt:      req.WeaningAt,
					OperationId:   req.OperationId,
					OperationName: req.OperationName,
					Remarks:       req.Remarks,
					Weight:        float32(cowWeightMap[cowInfo.Id]),
					Height:        0,
				})
			if err = tx.Create(newEventWeight).Error; err != nil {
				return xerr.WithStack(err)
			}
		}

		return nil
	}); err != nil {
		return xerr.WithStack(err)
	}
	return nil
}