Bad service

I had a bad services there in Spar Tuscany in Rusternburg We enter in store to buy,then i saw shelves of wine then we take the bottle and go to the till when i get there cashier told me that they dont sell wine on sunday then i asked i dont know because there is no sign telling customer that they dont sell alcohol on sunday then i asked for manager wow thats where the problem start that so called a manager give us a bad attitude he didnt even want to know what is going he just took the wine and left telling us everybody knows that they dont sell alcohol on sunday funny part is we are not from Northwest we were just passing there and he tell us everybody knows they dont sell alcohol he is ****ing idiot he just dont know how to deal with his customers im not happy with that attitude he give us