Hifi corp refuses to refund me my money after selling me a Samsung microwave with a bad paint job which was a factory fault

Hifi corp refuses to refund me my money after selling me a Samsung microwave with a bad paint job which was a factory fault.im extremely treated with as if I was given the microwave for free.its been 5 months with no microwave and my money not back.i was told to contact Samsung my self and they also don't care about their customers