package models

import "code.gitea.io/gitea/modules/timeutil"

type DatasetReference struct {
	ID          int64              `xorm:"pk autoincr"`
	RepoID      int64              `xorm:"INDEX unique(repo_dataset)"`
	DatasetID   int64              `xorm:"INDEX  unique(repo_dataset)"`
	CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
}

func GetDatasetIdsByRepoID(repoID int64) []int64 {
	var datasets []int64
	_ = x.Table("dataset_reference").Where("repo_id=?", repoID).
		Cols("dataset_reference.dataset_id").Find(&datasets)
	return datasets
}

func DeleteDatasetIdsByRepoID(repoID int64, datasetIds []int64) error {
	if len(datasetIds) == 0 {
		return nil
	}
	_, err := x.In("dataset_id", datasetIds).And("repo_id", repoID).Delete(new(DatasetReference))
	return err
}

func NewDatasetIdsByRepoID(repoID int64, datasetIds []int64) error {
	var datasetReference []DatasetReference
	for _, datasetId := range datasetIds {
		datasetReference = append(datasetReference, DatasetReference{
			DatasetID: datasetId,
			RepoID:    repoID,
		})
	}
	_, err := x.Insert(datasetReference)
	return err
}

func DeleteReferenceDatasetByDatasetID(datasetId int64) error {
	_, err := x.Delete(&DatasetReference{DatasetID: datasetId})
	return err
}