broken tiles refund

good day i boght 167m² of tiles from the shop on the 18/02/2022.i was waiting 2 weeks for delivery,afer the first 3 days i called to find out were is the tiles i was told thay will call me back,then i got a call saying there was a shortige of the tiles i wanted thay will get the rest for me from some one els.a nuther wheek went past i called again to ask where is the tiles.thay will call me back,so i got a call saying thay have all the tiles and will deliver the same day for me.so n hour later i got a call telling me sorry most of the tiles is broken when thay took it out from the wearhouse,so i say oky please refund me so i can go and look for uther tiles some where els.i had to email head office for that,so i did.i got called again asking if i can not use a bigger tile that i just can cut,i told them that the regulatiins of the job that the tiles are for dus not allow me to cut it in half due to sharp eging then .i want a refund please,its now the 4/03/2022 thay refuse to pay me back .legal actions will be the next step now.thank you.