package mongoext

import (
	"reflect"

	"go.mongodb.org/mongo-driver/v2/bson"
)

func CreateGoExtBsonRegistry() *bson.Registry {
	reg := bson.NewRegistry()

	// otherwise we get []bson.E when unmarshalling into any
	// which will result in {'key': .., 'value': ...}[] json when json-marshalling
	reg.RegisterTypeMapEntry(bson.TypeEmbeddedDocument, reflect.TypeFor[bson.M]())

	return reg
}