package dao

import (
	"context"
	"rag/consts/public"
	"rag/model/dto"
	"rag/model/entity"

	"gitea.com/red-future/common/db/gfdb"
	"github.com/gogf/gf/v2/util/gconv"
)

var DocumentChunk = new(documentChunkDao)

type documentChunkDao struct{}

// BatchInsert 批量插入文件块
func (d *documentChunkDao) BatchInsert(ctx context.Context, req []*dto.VectorDocumentChunkMsg) (rows int64, err error) {
	var res []*entity.DocumentChunk
	if err = gconv.Structs(req, &res); err != nil {
		return
	}
	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameDocumentChunk).Data(&res).Insert()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// Update 更新文件块
func (d *documentChunkDao) Update(ctx context.Context, req *dto.UpdateDocumentChunkReq) (rows int64, err error) {
	model := gfdb.DB(ctx).Model(ctx, public.TableNameDocumentChunk)
	r, err := model.Data(&req).Where(entity.DocumentChunkCol.Id, req.Id).Update()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// List 文件块列表
func (d *documentChunkDao) List(ctx context.Context, req *dto.ListDocumentChunkReq, fields ...string) (res []*entity.DocumentChunk, total int, err error) {
	model := gfdb.DB(ctx).Model(ctx, public.TableNameDocumentChunk).Fields(fields).OmitEmpty().
		Where(entity.DocumentChunkCol.DatasetId, req.DatasetId).
		Where(entity.DocumentChunkCol.DocumentId, req.DocumentId).
		Where(entity.DocumentChunkCol.Status, req.Status).
		Where(entity.DocumentChunkCol.VectorStatus, req.VectorStatus).
		OrderDesc(entity.DocumentChunkCol.CreatedAt)
	if req.Page != nil {
		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
	}
	r, total, err := model.AllAndCount(false)
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

//// Insert 插入向量文档
//func (d *vectorDocumentDao) Insert(ctx context.Context, docs []*entity.DocumentChunk) (ids []interface{}, err error) {
//	if len(docs) == 0 {
//		return
//	}
//	interfaces := make([]interface{}, len(docs))
//	for i := range docs {
//		interfaces[i] = docs[i]
//	}
//	return mongoDB.Insert(ctx, interfaces, CollectionVectorDoc)
//}
//
//// DeleteByIDs 根据ID删除向量文档
//func (d *vectorDocumentDao) DeleteByIDs(ctx context.Context, ids []string) (err error) {
//	if len(ids) == 0 {
//		return
//	}
//	objectIDs := make([]bson.ObjectID, len(ids))
//	for i, id := range ids {
//		objectIDs[i], err = bson.ObjectIDFromHex(id)
//		if err != nil {
//			return err
//		}
//	}
//	filter := bson.M{"_id": bson.M{"$in": objectIDs}}
//	_, err = mongoDB.Delete(ctx, filter, CollectionVectorDoc)
//	return
//}
//
//// GetByIndexID 根据索引ID获取向量文档
//func (d *vectorDocumentDao) GetByIndexID(ctx context.Context, indexID string, limit int) (result []*entity.DocumentChunk, err error) {
//	filter := bson.M{"indexId": indexID}
//	page := &beans.Page{PageNum: 1, PageSize: int64(limit)}
//	_, err = mongoDB.Find(ctx, filter, &result, CollectionVectorDoc, page, nil)
//	return
//}
//
//// GetByVectorIDs 根据向量ID获取向量文档
//func (d *vectorDocumentDao) GetByVectorIDs(ctx context.Context, vectorIDs []string) (result []*entity.DocumentChunk, err error) {
//	if len(vectorIDs) == 0 {
//		return
//	}
//	filter := bson.M{"vectorId": bson.M{"$in": vectorIDs}}
//	_, err = mongoDB.Find(ctx, filter, &result, CollectionVectorDoc, &beans.Page{PageSize: -1}, nil)
//	return
//}