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, public.DbNameVector).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, public.DbNameVector).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, public.DbNameVector).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
}