ORA-01109: database not openWhy you are trying to logswitch? it is applicable only on Primary database not an Physical standby database.
ORA-01666: control file is for a standby databaseWhy you trying to do open resetlogs? it is not applicable either. Because by default when recovery failure then Oracle give alternate options which will work out. But you are in Physical standby so please ignore.
ORA-01666: control file is for a standby databaseWhere you trying to perform recovery, Check it is standby or primary?