Bad bad customer service

Various employees at Leroy Merlin have informed me over a period of more than a month and a half that they are awaiting stock of an item from their supplier. When I pushed for a definitive answer on when I could expect delivery of my order I was told that they did not have stock of the item in question for more than 8 months and don't foresee receiving it soon. The item in question was marked in stock when I made my purchase and was offered as a promotion. To make things worse, various generic auto-reply promises were made to investigate the matter and to come back to me but I constantly have to follow up with them because they simply do not come back to you after saying they will. I have noticed that the replies to complaints made on this platform are also the same generic reply, which seems to suggest that customer complaints are not treated seriously by this entity. I have now cancelled my order and when I phoned to enquire about when I can expect a refund I was told that no refund instructions can be found in the system and that I should once again escalate this issue... It is been a long while since I have had such bad service from a private sector entity and I am seriously contemplating the lodging of a complaint with the Consumer Commissioner in this regard.