Bad customer service

Yesterday I was at Game store Promenade Mall Mitchell’s Plain, the service I received was not good at all, the bad service started with the sales assistant Abubakar Abrahams, that guy didn’t show any interest to assist me, the attitude he had was very bad, am not sure if it was because am black because I believe that is not the service he is giving to all the customers, I waited more than 10 minutes for him to check if the item was on stock, when he came back he told me that there was no stock, he didn’t even bother to ask if I would like to take the item that was on display, I had to ask him if I can take the last item that was on display and his response was “if you want to, but this machine is not looking good, it looks like there are parts missing”, after confirming with him that I want the machine he gave me barcode to go pay at money centre with out telling me about the discount that I might get now that the machine is used. I waited more than 20 minutes at Money Centre for a manager to process discount in vain, after the wait cashier at Money Centre advised me to go pay at the cashiers that are at the cell phones department. I looked for the manager my self I found Andrienne Smith sitting on a PC, she assisted me with the discount, when I was about to pay using PAYJUSTNOW cashier asked me to wait aside she needs a supervisor to authorise, another 7 minutes standing like a fool waiting now for the supervisor. After all this draining process I was able to pay for the machine. What made things even more worse is when I got the machine at customer collection at the back I received the machine unwrapped from the same sales assistant, when I asked him why the machine was not wrapped he didn’t even answer me he went back in and came back with bubble wrap and gave it to the driver of the bakkie I hired for delivery to wrap the machine. I never feel so undermined like that in my life.