package dbAccess

import (
	"context"
	"errors"

	"git.fjla.uk/owlboard/go-types/pkg/database"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
)

func GetPisMetadata() (*database.PisMetadata, error) {
	coll := MongoClient.Database(DatabaseName).Collection(MetaCollection)

	filter := bson.M{"type": "PisMetadata"}
	var result database.PisMetadata
	err := coll.FindOne(context.Background(), filter).Decode(&result)
	if err != nil {
		if errors.Is(err, mongo.ErrNoDocuments) {
			return nil, nil
		}
		return nil, err
	}

	return &result, nil
}