I went to pick up my order (Extractor Hood) whose ...

I went to pick up my order (Extractor Hood) whose delivery was supposedly scheduled for today and they tell me in the pick-up area that the product "is out of stock", what's more, it even has a negative stock. The most The funny thing is that I had already received the confirmation email from them, that my delivery was scheduled for the 20th of this month, they made me waste time and money coming here.