package storage

import (
	"fmt"
)

type DB interface {
	Get(string, ...string) ([]byte, error)
	Set(string, []byte, ...string) error
	Close() error
}

var DefaultNamespace = "namespace"

func New(key Type, params ...string) (db DB, err error) {
	defer func() {
		if i := recover(); i != nil {
			err = fmt.Errorf("panic making %s: %v", key, i)
		}
	}()
	err = ErrNotImpl
	switch key {
	case MAP:
		db = NewMap()
		err = nil
	case BOLT:
		db, err = NewBolt(params[0])
	case MINIO:
		db, err = NewMinio(params[0], params[1], params[2])
	case CACHE:
		db, err = NewCache(params...)
	case LEVELDB:
		db, err = NewLevelDB(params[0])
	case MEMCACHE:
		db, err = NewMemcache(params[0], params[1:]...)
	case MEMCACHECLUSTER:
		db, err = NewMemcacheCluster(params[0], params[1:]...)
	case MONGO:
		db, err = NewMongo(params[0], params[1:]...)
	}
	return
}

func resolveNamespace(ns []string) string {
	namespace := DefaultNamespace
	if len(ns) > 0 {
		namespace = ns[0]
	}
	return namespace
}