Worst online purchase experience

I ordered building material online and paid for the material the same day on the 25th of April 2022, I then spoke to a consultant on the phone who confirmed the material is there thus my order will be delivered the next day. To my surprise 8 days later my items have not been delivered and when I call Leroy Merlin, they take my number and promise to call back, and never call back.

When you call back, they run away from taking your call leaving the poor customer care guy to run around looking for anyone who can be accountable while you hold listening to their on-hold music.

When you get hold of any of the accountable people they send you from pillar to post talking about the material not being available, while they took the order, and when you go online it shows the items are available at the physical shop.

I wonder what is going at that greenstone shop