package database

// Dialect identifies the active database backend.
type Dialect int

const (
	DialectPostgres Dialect = iota
	DialectSQLite
)

// CurrentDialect is set during Connect() and read by store constructors
// to select the appropriate SQL flavour.
var CurrentDialect Dialect

// String returns a human-readable label.
func (d Dialect) String() string {
	switch d {
	case DialectPostgres:
		return "postgres"
	case DialectSQLite:
		return "sqlite"
	default:
		return "unknown"
	}
}

// IsPostgres returns true when connected to PostgreSQL.
func IsPostgres() bool { return CurrentDialect == DialectPostgres }

// IsSQLite returns true when connected to SQLite.
func IsSQLite() bool { return CurrentDialect == DialectSQLite }