package backend

import (
	"context"
	"kpt-pasture/model"
	"net/http"

	"gorm.io/gorm"

	"gitee.com/xuyiping_admin/pkg/xerr"

	pasturePb "gitee.com/xuyiping_admin/go_proto/proto/go/backend/cow"
)

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

	dryMilkList := make([]*model.EventDryMilk, 0)
	var count int64 = 0
	pref := s.DB.Model(new(model.EventDryMilk)).
		Where("pasture_id = ?", userModel.AppPasture.Id).
		Where("is_show = ?", pasturePb.IsShow_Ok)

	if req.EarNumber != "" {
		pref.Where("ear_number = ?", req.EarNumber)
	}

	if req.StartDayAt > 0 && req.EndDayAt > 0 && req.StartDayAt <= req.EndDayAt {
		pref.Where("reality_day BETWEEN ? AND ?", req.StartDayAt, req.EndDayAt)
	}

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

	return &pasturePb.EventMilkResponse{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &pasturePb.EventMilkData{
			List:     model.EventDryMilkSlice(dryMilkList).ToPB(),
			Total:    int32(count),
			PageSize: pagination.PageSize,
			Page:     pagination.Page,
		},
	}, nil
}

func (s *StoreEntry) DryMilkBatch(ctx context.Context, req *pasturePb.EventMilkBatch) error {
	if len(req.Items) <= 0 {
		return nil
	}

	if len(req.Items) > 50 {
		return xerr.Custom("最多只能添加50条数据")
	}

	userModel, err := s.GetUserModel(ctx)
	if err != nil {
		return xerr.WithStack(err)
	}

	penMap := s.PenMap(ctx, userModel.AppPasture.Id)
	if err = s.DB.Transaction(func(tx *gorm.DB) error {
		for _, v := range req.Items {
			cowInfo, err := s.GetCowInfoByCowId(ctx, userModel.AppPasture.Id, int64(v.CowId))
			if err != nil {
				return xerr.WithStack(err)
			}

			cowInfo.EventDryMilkUpdate(int64(v.DryMilkAt), penMap[v.PenId])
			if err = tx.Select("milk_kind", "last_dry_milk_at", "pen_id", "pen_name").
				Where("id = ?", cowInfo.Id).
				Updates(cowInfo).Error; err != nil {
				return xerr.WithStack(err)
			}

			eventDryMilk := &model.EventDryMilk{}
			if err = tx.Model(new(model.EventDryMilk)).
				Where("pasture_id = ?", userModel.AppPasture.Id).
				Where("cow_id = ?", cowInfo.Id).
				Where("is_show = ?", pasturePb.IsShow_No).
				First(eventDryMilk).Error; err != nil {
				return xerr.WithStack(err)
			}

			if eventDryMilk.Id <= 0 {
				return xerr.Customf("不存在该数据: %s", cowInfo.EarNumber)
			}

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

			eventDryMilk.EventDryMilkUpdate(cowInfo, int64(v.DryMilkAt), penMap[v.PenId], operationUser, userModel.SystemUser, v.Remarks)
			if err = tx.Select("lact", "reality_day", "plan_day", "is_show", "operation_id", "operation_name", "message_id", "message_name", "pen_id", "pen_name", "remarks").
				Where("id = ?", eventDryMilk.Id).
				Updates(eventDryMilk).Error; err != nil {
				return xerr.WithStack(err)
			}

			// 记录日志
			cowLog := s.SubmitEventLog(ctx, userModel.AppPasture.Id, cowInfo, pasturePb.EventType_Dry_Milk, eventDryMilk)
			if err = tx.Table(cowLog.TableName()).Create(cowLog).Error; err != nil {
				return xerr.WithStack(err)
			}
		}

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