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/database/gdb"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
)

var Document = new(documentDao)

type documentDao struct{}

// Insert 插入文件
func (d *documentDao) Insert(ctx context.Context, req *dto.CreateDocumentReq) (id int64, err error) {
	var res *entity.Document
	if err = gconv.Struct(req, &res); err != nil {
		return
	}
	r, err := gfdb.DB(ctx, public.DbNameKnowledge).Model(ctx, public.TableNameDocument).Data(&res).Insert()
	if err != nil {
		return
	}
	return r.LastInsertId()
}

// Update 更新文件
func (d *documentDao) Update(ctx context.Context, req *dto.UpdateDocumentReq) (rows int64, err error) {
	model := gfdb.DB(ctx, public.DbNameKnowledge).Model(ctx, public.TableNameDocument).OmitEmpty()
	if !g.IsEmpty(req.ChunkCount) {
		model.Data(entity.DocumentCol.ChunkCount, &gdb.Counter{
			Field: entity.DocumentCol.ChunkCount,
			Value: gconv.Float64(req.ChunkCount),
		})
	}

	r, err := model.Data(&req).Where(entity.DocumentCol.Id, req.Id).Update()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// Delete 删除文件
func (d *documentDao) Delete(ctx context.Context, req *dto.DeleteDocumentReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx, public.DbNameKnowledge).Model(ctx, public.TableNameDocument).Where(entity.DocumentCol.Id, req.Id).Delete()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// GetByID 根据ID获取文件
func (d *documentDao) GetByID(ctx context.Context, req *dto.GetDocumentReq, fields ...string) (res *entity.Document, err error) {
	r, err := gfdb.DB(ctx, public.DbNameKnowledge).Model(ctx, public.TableNameDocument).Where(entity.DocumentCol.Id, req.Id).Fields(fields).One()
	if err != nil {
		return
	}
	err = r.Struct(&res)
	return
}

// List 获取文件列表
func (d *documentDao) List(ctx context.Context, req *dto.ListDocumentReq, fields ...string) (res []*entity.Document, total int, err error) {
	model := gfdb.DB(ctx, public.DbNameKnowledge).Model(ctx, public.TableNameDocument).OmitEmpty()
	if !g.IsEmpty(req.Keyword) {
		model.WhereLike(entity.DocumentCol.Title, "%"+req.Keyword+"%")
	}
	model.Where(entity.DocumentCol.DatasetId, req.DatasetId)
	model.Where(entity.DocumentCol.Status, req.Status)
	model.Fields(fields)
	model.OrderDesc(entity.DocumentCol.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
}