package mongo

import (
	"github.com/zeromicro/go-zero/core/stores/cache"
	"github.com/zeromicro/go-zero/core/syncx"
	"go.mongodb.org/mongo-driver/mongo"
)

const (
	authenticationStringTemplate = "%s:%s@"
	connectionStringTemplate     = "%s://%s%s"
)

var (
	// ErrNotFound is an alias of mongo.ErrNoDocuments.
	ErrNotFound = mongo.ErrNoDocuments

	// can't use one SingleFlight per conn, because multiple conns may share the same cache key.
	singleFlight = syncx.NewSingleFlight()
	stats        = cache.NewStat("monc")
)