package opsdev

import (
	"context"
	"strings"

	"dashoo.cn/opms_libary/myerrors"
	eventdao "dashoo.cn/opms_parent/app/dao/opsdev"
	eventmodel "dashoo.cn/opms_parent/app/model/opsdev"
	"dashoo.cn/opms_parent/app/service"
	"github.com/gogf/gf/database/gdb"
	"github.com/gogf/gf/frame/g"
	"github.com/gogf/gf/os/gtime"
	"github.com/gogf/gf/util/gconv"
)

// DeliveryProjectEventService 交付项目事件业务逻辑实现类
type DeliveryProjectEventService struct {
	*service.ContextService
	EventDao      *eventdao.OpsDeliveryProjectEventDao
	RecordDao     *eventdao.OpsDeliveryProjectEventRecordDao
	AttachmentDao *eventdao.OpsDeliveryProjectEventAttachmentDao
	ProjectDao    *eventdao.OpsDeliveryProjectDao
	TaskDao       *eventdao.OpsEventTaskDao
	TaskRecordDao *eventdao.OpsEventTaskRecordDao
}

// NewDeliveryProjectEventService 初始化service
func NewDeliveryProjectEventService(ctx context.Context) (svc *DeliveryProjectEventService, err error) {
	svc = new(DeliveryProjectEventService)
	if svc.ContextService, err = svc.Init(ctx); err != nil {
		return nil, err
	}
	svc.EventDao = eventdao.NewOpsDeliveryProjectEventDao(svc.Tenant)
	svc.RecordDao = eventdao.NewOpsDeliveryProjectEventRecordDao(svc.Tenant)
	svc.AttachmentDao = eventdao.NewOpsDeliveryProjectEventAttachmentDao(svc.Tenant)
	svc.ProjectDao = eventdao.NewOpsDeliveryProjectDao(svc.Tenant)
	svc.TaskDao = eventdao.NewOpsEventTaskDao(svc.Tenant)
	svc.TaskRecordDao = eventdao.NewOpsEventTaskRecordDao(svc.Tenant)
	return svc, nil
}

// GetList 分页查询事件列表
func (s *DeliveryProjectEventService) GetList(req *eventmodel.OpsDeliveryProjectEventSearchReq) (total int, list []*eventmodel.OpsDeliveryProjectEventRsp, err error) {
	db := s.EventDao.FieldsEx(s.EventDao.Columns.DeletedTime)

	// 项目ID筛选
	if req.ProjectId > 0 {
		db = db.Where(s.EventDao.Columns.ProjectId, req.ProjectId)
	}

	// 事件标题模糊查询
	if req.DeliveryEventTitle != "" {
		db = db.Where(s.EventDao.Columns.DeliveryEventTitle+" like ?", "%"+req.DeliveryEventTitle+"%")
	}

	// 事件描述模糊查询
	if req.DeliveryEventDesc != "" {
		db = db.Where(s.EventDao.Columns.DeliveryEventDesc+" like ?", "%"+req.DeliveryEventDesc+"%")
	}

	// 事件类型筛选（多选）
	if len(req.DeliveryEventType) > 0 {
		db = db.Where(s.EventDao.Columns.DeliveryEventType+" in (?)", req.DeliveryEventType)
	}

	// 事件状态筛选（多选）
	if len(req.DeliveryEventStatus) > 0 {
		db = db.Where(s.EventDao.Columns.DeliveryEventStatus+" in (?)", req.DeliveryEventStatus)
	}

	// 事件结果筛选（多选）
	if len(req.DeliveryEventResult) > 0 {
		db = db.Where(s.EventDao.Columns.DeliveryEventResult+" in (?)", req.DeliveryEventResult)
	}

	// 反馈来源筛选
	if req.FeedbackSource != "" {
		db = db.Where(s.EventDao.Columns.FeedbackSource, req.FeedbackSource)
	}

	// 反馈人模糊查询
	if req.FeedbackReporter != "" {
		db = db.Where(s.EventDao.Columns.FeedbackReporter+" like ?", "%"+req.FeedbackReporter+"%")
	}

	// 负责人筛选（多选精确匹配）
	if len(req.OpsUserName) > 0 {
		db = db.Where(s.EventDao.Columns.OpsUserName+" in (?)", req.OpsUserName)
	}

	// 反馈时间范围
	if req.FeedbackDateStart != "" {
		db = db.Where(s.EventDao.Columns.FeedbackDate+">= ?", req.FeedbackDateStart)
	}
	if req.FeedbackDateEnd != "" {
		db = db.Where(s.EventDao.Columns.FeedbackDate+"<= ?", req.FeedbackDateEnd)
	}

	// 处理时间范围
	if req.CompleteTimeStart != "" {
		db = db.Where(s.EventDao.Columns.CompleteTime+">= ?", req.CompleteTimeStart)
	}
	if req.CompleteTimeEnd != "" {
		db = db.Where(s.EventDao.Columns.CompleteTime+"<= ?", req.CompleteTimeEnd)
	}

	// 统计总数
	total, err = db.Count()
	if err != nil {
		g.Log().Error(err)
		return 0, nil, myerrors.DbError("获取事件总数失败")
	}

	// 分页查询
	pageNum, pageSize := req.GetPage()
	var entityList []*eventmodel.OpsDeliveryProjectEvent

	// 处理排序
	if len(req.SortFields) > 0 {
		orderClauses := []string{}
		for _, sort := range req.SortFields {
			// 将前端字段名转换为数据库列名
			colName := s.getSortColumnName(sort.Field)
			if colName != "" {
				orderClauses = append(orderClauses, colName+" "+strings.ToUpper(sort.Order))
			}
		}
		if len(orderClauses) > 0 {
			db = db.Order(strings.Join(orderClauses, ", "))
		} else {
			db = db.Order(s.EventDao.Columns.CreatedTime + " desc")
		}
	} else {
		db = db.Order(s.EventDao.Columns.CreatedTime + " desc")
	}

	err = db.Page(pageNum, pageSize).Scan(&entityList)
	if err != nil {
		g.Log().Error(err)
		return 0, nil, myerrors.DbError("查询事件列表失败")
	}

	// 转换为响应结构体
	if err = gconv.Structs(entityList, &list); err != nil {
		g.Log().Error(err)
		return 0, nil, myerrors.DbError("数据转换失败")
	}

	return
}

// getSortColumnName 将前端排序字段名转换为数据库列名
func (s *DeliveryProjectEventService) getSortColumnName(field string) string {
	// 前端字段名到数据库列名的映射
	fieldMap := map[string]string{
		"deliveryEventType":   s.EventDao.Columns.DeliveryEventType,
		"deliveryEventStatus": s.EventDao.Columns.DeliveryEventStatus,
		"deliveryEventResult": s.EventDao.Columns.DeliveryEventResult,
		"opsUserName":         s.EventDao.Columns.OpsUserName,
		"feedbackReporter":    s.EventDao.Columns.FeedbackReporter,
		"feedbackDate":        s.EventDao.Columns.FeedbackDate,
		"completeTime":        s.EventDao.Columns.CompleteTime,
	}

	if colName, ok := fieldMap[field]; ok {
		return colName
	}
	return ""
}

// Create 新增事件，包含事务控制和过程记录、附件存储
func (s *DeliveryProjectEventService) Create(req *eventmodel.OpsDeliveryProjectEventAddReq) error {
	// 生成事件编码
	eventNo := s.generateEventNo()

	// 构造数据
	data := g.Map{
		s.EventDao.Columns.ProjectId:           req.ProjectId,
		s.EventDao.Columns.DeliveryEventNo:     eventNo,
		s.EventDao.Columns.DeliveryEventTitle:  req.DeliveryEventTitle,
		s.EventDao.Columns.DeliveryEventDesc:   req.DeliveryEventDesc,
		s.EventDao.Columns.DeliveryEventType:   req.DeliveryEventType,
		s.EventDao.Columns.DeliveryEventStatus: "10", // 待处理
		s.EventDao.Columns.FeedbackSource:      req.FeedbackSource,
		s.EventDao.Columns.FeedbackReporter:    req.FeedbackReporter,
		s.EventDao.Columns.FeedbackDate:        gtime.Now(),
		s.EventDao.Columns.OnSite:              req.OnSite,
	}

	// 补齐审计字段
	service.SetCreatedInfo(data, s.GetCxtUserId(), s.GetCxtUserName())

	// 使用事务控制
	return s.EventDao.Transaction(context.TODO(), func(ctx context.Context, tx *gdb.TX) error {
		// 1. 创建事件记录
		result, err := s.EventDao.TX(tx).Data(data).Insert()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("新增事件失败")
		}

		// 获取新创建的事件ID
		eventId, err := result.LastInsertId()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("获取事件ID失败")
		}

		// 2. 创建事件过程记录
		recordData := g.Map{
			s.RecordDao.Columns.DeliveryEventId: eventId,
			s.RecordDao.Columns.HandleUserId:    s.GetCxtUserId(),
			s.RecordDao.Columns.HandleUserName:  s.GetCxtUserName(),
			s.RecordDao.Columns.HandleContent:   "创建事件<br/>事件标题: " + req.DeliveryEventTitle,
		}
		service.SetCreatedInfo(recordData, s.GetCxtUserId(), s.GetCxtUserName())

		_, err = s.RecordDao.TX(tx).Data(recordData).Insert()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("新增事件过程记录失败")
		}

		// 3. 保存附件信息
		if len(req.Attachments) > 0 {
			for _, att := range req.Attachments {
				attData := g.Map{
					s.AttachmentDao.Columns.DeliveryEventId: eventId,
					s.AttachmentDao.Columns.EventId:         eventId,
					s.AttachmentDao.Columns.FileName:        att.FileName,
					s.AttachmentDao.Columns.FileUrl:         att.FileUrl,
					s.AttachmentDao.Columns.FileType:        att.FileType,
				}
				service.SetCreatedInfo(attData, s.GetCxtUserId(), s.GetCxtUserName())

				_, err = s.AttachmentDao.TX(tx).Data(attData).Insert()
				if err != nil {
					g.Log().Error(err)
					return myerrors.DbError("保存附件信息失败")
				}
			}
		}

		return nil
	})
}

// UpdateById 根据ID更新事件
func (s *DeliveryProjectEventService) UpdateById(req *eventmodel.OpsDeliveryProjectEventUpdateReq) error {
	// 校验数据是否存在
	var entity eventmodel.OpsDeliveryProjectEvent
	err := s.EventDao.FieldsEx(s.EventDao.Columns.DeletedTime).WherePri(s.EventDao.Columns.Id, req.Id).Scan(&entity)
	if err != nil {
		g.Log().Error(err)
		return myerrors.DbError("查询事件数据失败")
	}
	if entity.Id <= 0 {
		return myerrors.TipsError("事件数据不存在")
	}

	// 构造更新数据 - 从请求中动态构建，支持前端传来的任何有效字段
	data := g.Map{}

	// 基础字段（编辑时可能更新）
	data[s.EventDao.Columns.DeliveryEventTitle] = req.DeliveryEventTitle
	data[s.EventDao.Columns.DeliveryEventDesc] = req.DeliveryEventDesc
	data[s.EventDao.Columns.DeliveryEventType] = req.DeliveryEventType
	data[s.EventDao.Columns.FeedbackSource] = req.FeedbackSource
	data[s.EventDao.Columns.FeedbackReporter] = req.FeedbackReporter
	data[s.EventDao.Columns.OnSite] = req.OnSite

	// 处理状态和结果字段（关闭事件时传入）
	if req.DeliveryEventStatus != "" {
		data[s.EventDao.Columns.DeliveryEventStatus] = req.DeliveryEventStatus
	}
	if req.DeliveryEventResult != "" {
		data[s.EventDao.Columns.DeliveryEventResult] = req.DeliveryEventResult
	}

	// 处理完成相关字段（处理/关闭事件时传入）
	if req.CompleteDesc != "" {
		data[s.EventDao.Columns.CompleteDesc] = req.CompleteDesc
	}
	if req.CompleteTime != "" {
		data[s.EventDao.Columns.CompleteTime] = req.CompleteTime
	}
	if req.ActualWorkHour > 0 {
		data[s.EventDao.Columns.ActualWorkHour] = req.ActualWorkHour
	}

	// 处理负责人相关字段（分配时传入）
	if req.OpsUserId > 0 {
		data[s.EventDao.Columns.OpsUserId] = req.OpsUserId
		data[s.EventDao.Columns.OpsUserName] = req.OpsUserName
	}

	// 补齐审计字段
	service.SetUpdatedInfo(data, s.GetCxtUserId(), s.GetCxtUserName())

	// 更新操作，排除不可改字段
	_, err = s.EventDao.FieldsEx(service.UpdateFieldEx...).Data(data).WherePri(s.EventDao.Columns.Id, req.Id).Update()
	if err != nil {
		g.Log().Error(err)
		return myerrors.DbError("更新事件失败")
	}

	return nil
}

// DeleteByIds 根据ID批量删除
func (s *DeliveryProjectEventService) DeleteByIds(ids []int64) error {
	if len(ids) == 0 {
		return myerrors.TipsError("请选择需要删除的事件")
	}

	return s.EventDao.Transaction(context.TODO(), func(ctx context.Context, tx *gdb.TX) error {
		// 1. 删除事件
		_, err := s.EventDao.TX(tx).WhereIn(s.EventDao.Columns.Id, ids).Delete()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("删除事件失败")
		}

		// 2. 删除关联的过程记录
		_, err = s.RecordDao.TX(tx).WhereIn(s.RecordDao.Columns.DeliveryEventId, ids).Delete()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("删除事件过程记录失败")
		}

		// 3. 删除关联的附件
		_, err = s.AttachmentDao.TX(tx).WhereIn(s.AttachmentDao.Columns.DeliveryEventId, ids).Delete()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("删除事件附件失败")
		}

		return nil
	})
}

// Cancel 作废事件
func (s *DeliveryProjectEventService) Cancel(req *eventmodel.OpsDeliveryProjectEventCancelReq) error {
	// 校验数据是否存在
	var entity eventmodel.OpsDeliveryProjectEvent
	err := s.EventDao.FieldsEx(s.EventDao.Columns.DeletedTime).WherePri(s.EventDao.Columns.Id, req.Id).Scan(&entity)
	if err != nil {
		g.Log().Error(err)
		return myerrors.DbError("查询事件数据失败")
	}
	if entity.Id <= 0 {
		return myerrors.TipsError("事件数据不存在")
	}

	// 已关闭的事件不能作废
	if entity.DeliveryEventStatus == eventmodel.DeliveryEventStatusClosed {
		return myerrors.TipsError("已关闭的事件不能作废")
	}

	// 已作废的事件不能再次作废
	if entity.DeliveryEventStatus == eventmodel.DeliveryEventStatusCancelled {
		return myerrors.TipsError("该事件已作废")
	}

	return s.EventDao.Transaction(context.TODO(), func(ctx context.Context, tx *gdb.TX) error {
		// 1. 更新事件状态为已作废
		data := g.Map{
			s.EventDao.Columns.DeliveryEventStatus: eventmodel.DeliveryEventStatusCancelled,
			s.EventDao.Columns.Remark:              req.CancelReason,
		}
		service.SetUpdatedInfo(data, s.GetCxtUserId(), s.GetCxtUserName())

		_, err := s.EventDao.TX(tx).FieldsEx(service.UpdateFieldEx...).Data(data).WherePri(s.EventDao.Columns.Id, req.Id).Update()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("作废事件失败")
		}

		// 2. 添加作废过程记录
		recordContent := "作废事件<br/>作废原因: " + req.CancelReason
		recordData := g.Map{
			s.RecordDao.Columns.DeliveryEventId: req.Id,
			s.RecordDao.Columns.HandleUserId:    s.GetCxtUserId(),
			s.RecordDao.Columns.HandleUserName:  s.GetCxtUserName(),
			s.RecordDao.Columns.HandleContent:   recordContent,
		}
		service.SetCreatedInfo(recordData, s.GetCxtUserId(), s.GetCxtUserName())

		recordResult, err := s.RecordDao.TX(tx).Data(recordData).Insert()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("新增过程记录失败")
		}

		recordId, _ := recordResult.LastInsertId()

		// 3. 保存附件
		if len(req.Attachments) > 0 {
			for _, att := range req.Attachments {
				attData := g.Map{
					s.AttachmentDao.Columns.DeliveryEventId: req.Id,
					s.AttachmentDao.Columns.EventRecordId:   recordId,
					s.AttachmentDao.Columns.FileName:        att.FileName,
					s.AttachmentDao.Columns.FileUrl:         att.FileUrl,
					s.AttachmentDao.Columns.FileType:        att.FileType,
				}
				service.SetCreatedInfo(attData, s.GetCxtUserId(), s.GetCxtUserName())

				_, err = s.AttachmentDao.TX(tx).Data(attData).Insert()
				if err != nil {
					g.Log().Error(err)
					return myerrors.DbError("保存附件信息失败")
				}
			}
		}

		_ = recordId // 避免未使用变量警告

		// 4. 查询关联的任务并作废
		var tasks []*eventmodel.OpsEventTask
		err = s.TaskDao.TX(tx).Where(s.TaskDao.Columns.EventId, req.Id).
			Where(s.TaskDao.Columns.EventType, eventmodel.EventTypeDelivery).
			Scan(&tasks)
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("查询关联任务失败")
		}

		// 5. 作废关联的任务
		for _, task := range tasks {
			// 已完成的任务不能作废
			if task.TaskStatus == "30" {
				continue
			}
			// 已作废的任务不需要再次作废
			if task.TaskStatus == "90" {
				continue
			}

			// 更新任务状态为作废
			taskData := g.Map{
				s.TaskDao.Columns.TaskStatus: "90",
			}
			service.SetUpdatedInfo(taskData, s.GetCxtUserId(), s.GetCxtUserName())

			_, err := s.TaskDao.TX(tx).FieldsEx(service.UpdateFieldEx...).Data(taskData).
				WherePri(s.TaskDao.Columns.Id, task.Id).Update()
			if err != nil {
				g.Log().Error(err)
				return myerrors.DbError("作废关联任务失败")
			}

			// 添加任务作废过程记录
			taskRecordData := g.Map{
				s.TaskRecordDao.Columns.TaskId:         task.Id,
				s.TaskRecordDao.Columns.HandleUserId:   s.GetCxtUserId(),
				s.TaskRecordDao.Columns.HandleUserName: s.GetCxtUserName(),
				s.TaskRecordDao.Columns.HandleContent:  "作废任务<br/>作废原因: 关联事件被作废 - " + req.CancelReason,
			}
			service.SetCreatedInfo(taskRecordData, s.GetCxtUserId(), s.GetCxtUserName())

			_, err = s.TaskRecordDao.TX(tx).Data(taskRecordData).Insert()
			if err != nil {
				g.Log().Error(err)
				return myerrors.DbError("新增任务过程记录失败")
			}
		}

		return nil
	})
}

// GetById 根据ID查询单条（关联项目信息）
func (s *DeliveryProjectEventService) GetById(id int) (*eventmodel.OpsDeliveryProjectEventRsp, error) {
	var entity eventmodel.OpsDeliveryProjectEvent
	err := s.EventDao.FieldsEx(s.EventDao.Columns.DeletedTime).WherePri(s.EventDao.Columns.Id, id).Scan(&entity)
	if err != nil {
		g.Log().Error(err)
		return nil, myerrors.DbError("查询事件数据失败")
	}

	if entity.Id <= 0 {
		return nil, myerrors.TipsError("事件数据不存在")
	}

	var rsp eventmodel.OpsDeliveryProjectEventRsp
	if err := gconv.Struct(entity, &rsp); err != nil {
		g.Log().Error(err)
		return nil, myerrors.DbError("数据转换失败")
	}

	// 查询关联的项目信息
	if entity.ProjectId > 0 {
		var project eventmodel.OpsDeliveryProject
		err := s.ProjectDao.FieldsEx(s.ProjectDao.Columns.DeletedTime).
			WherePri(s.ProjectDao.Columns.Id, entity.ProjectId).
			Scan(&project)
		if err != nil {
			g.Log().Error(err)
		} else if project.Id > 0 {
			// 填充项目信息
			rsp.ProjectName = project.ProjectName
			rsp.ContractNo = project.ContractNo
			rsp.CustName = project.CustName
			rsp.ProductLine = project.ProductLine
			rsp.SalesUserName = project.SalesUserName
			// 填充关键节点时间
			if project.InternalKickoffTime != nil {
				rsp.InternalKickoffTime = project.InternalKickoffTime.Format("Y-m-d H:i:s")
			}
			if project.ExternalKickoffTime != nil {
				rsp.ExternalKickoffTime = project.ExternalKickoffTime.Format("Y-m-d H:i:s")
			}
			if project.DeliveryPlanSubmitTime != nil {
				rsp.DeliveryPlanSubmitTime = project.DeliveryPlanSubmitTime.Format("Y-m-d H:i:s")
			}
			if project.DeploymentTime != nil {
				rsp.DeploymentTime = project.DeploymentTime.Format("Y-m-d H:i:s")
			}
			if project.TrialRunTime != nil {
				rsp.TrialRunTime = project.TrialRunTime.Format("Y-m-d H:i:s")
			}
			if project.GoLiveTime != nil {
				rsp.GoLiveTime = project.GoLiveTime.Format("Y-m-d H:i:s")
			}
		}
	}

	return &rsp, nil
}

// GetAttachments 获取事件附件列表
func (s *DeliveryProjectEventService) GetAttachments(eventId int) ([]*eventmodel.OpsDeliveryProjectEventAttachment, error) {
	var list []*eventmodel.OpsDeliveryProjectEventAttachment
	err := s.AttachmentDao.Where(s.AttachmentDao.Columns.DeliveryEventId, eventId).Scan(&list)
	if err != nil {
		g.Log().Error(err)
		return nil, myerrors.DbError("查询附件列表失败")
	}
	return list, nil
}

// GetRecords 获取事件过程记录列表（包含附件）
func (s *DeliveryProjectEventService) GetRecords(req *eventmodel.OpsDeliveryProjectEventRecordSearchReq) ([]*eventmodel.OpsDeliveryProjectEventRecordWithAttachments, error) {
	var records []*eventmodel.OpsDeliveryProjectEventRecord
	err := s.RecordDao.Where(s.RecordDao.Columns.DeliveryEventId, req.DeliveryEventId).
		Order(s.RecordDao.Columns.CreatedTime + " desc").
		Scan(&records)
	if err != nil {
		g.Log().Error(err)
		return nil, myerrors.DbError("查询过程记录失败")
	}

	result := make([]*eventmodel.OpsDeliveryProjectEventRecordWithAttachments, 0, len(records))
	for _, record := range records {
		recordRsp := &eventmodel.OpsDeliveryProjectEventRecordWithAttachments{
			OpsDeliveryProjectEventRecord: *record,
			Attachments:                   []*eventmodel.OpsDeliveryProjectEventAttachment{},
		}

		// 查询该记录关联的附件
		if record.Id > 0 {
			var attachments []*eventmodel.OpsDeliveryProjectEventAttachment
			err := s.AttachmentDao.Where(s.AttachmentDao.Columns.EventRecordId, record.Id).
				Scan(&attachments)
			if err != nil {
				g.Log().Error(err)
			} else {
				recordRsp.Attachments = attachments
			}
		}

		result = append(result, recordRsp)
	}

	return result, nil
}

// AddRecord 添加事件过程记录（带附件）
func (s *DeliveryProjectEventService) AddRecord(req *eventmodel.OpsDeliveryProjectEventRecordAddReqWithAttachments) error {
	return s.EventDao.Transaction(context.TODO(), func(ctx context.Context, tx *gdb.TX) error {
		// 1. 创建过程记录
		recordData := g.Map{
			s.RecordDao.Columns.DeliveryEventId: req.DeliveryEventId,
			s.RecordDao.Columns.HandleUserId:    s.GetCxtUserId(),
			s.RecordDao.Columns.HandleUserName:  s.GetCxtUserName(),
			s.RecordDao.Columns.HandleContent:   req.HandleContent,
		}
		service.SetCreatedInfo(recordData, s.GetCxtUserId(), s.GetCxtUserName())

		result, err := s.RecordDao.TX(tx).Data(recordData).Insert()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("新增过程记录失败")
		}

		// 获取记录ID
		recordId, err := result.LastInsertId()
		if err != nil {
			g.Log().Error(err)
			return myerrors.DbError("获取记录ID失败")
		}

		// 2. 保存附件
		if len(req.Attachments) > 0 {
			for _, att := range req.Attachments {
				attData := g.Map{
					s.AttachmentDao.Columns.DeliveryEventId: req.DeliveryEventId,
					s.AttachmentDao.Columns.EventRecordId:   recordId,
					s.AttachmentDao.Columns.FileName:        att.FileName,
					s.AttachmentDao.Columns.FileUrl:         att.FileUrl,
					s.AttachmentDao.Columns.FileType:        att.FileType,
				}
				service.SetCreatedInfo(attData, s.GetCxtUserId(), s.GetCxtUserName())

				_, err = s.AttachmentDao.TX(tx).Data(attData).Insert()
				if err != nil {
					g.Log().Error(err)
					return myerrors.DbError("保存附件信息失败")
				}
			}
		}

		return nil
	})
}

// generateEventNo 生成事件编码
func (s *DeliveryProjectEventService) generateEventNo() string {
	// 格式: EVT + 年月日 + 4位序号
	now := gtime.Now()
	prefix := "EVT" + now.Format("Ymd")

	// 查询当天最大序号
	var maxNo string
	err := s.EventDao.Where(s.EventDao.Columns.DeliveryEventNo+" like ?", prefix+"%").Order(s.EventDao.Columns.DeliveryEventNo + " desc").Fields(s.EventDao.Columns.DeliveryEventNo).Scan(&maxNo)
	if err != nil {
		return prefix + "0001"
	}

	if maxNo == "" {
		return prefix + "0001"
	}

	// 提取序号并+1
	if len(maxNo) >= len(prefix)+4 {
		seq := maxNo[len(prefix):]
		var seqNum int
		gconv.Struct(seq, &seqNum)
		seqNum++
		return prefix + gconv.String(seqNum)
	}

	return prefix + "0001"
}