Order cancelled and not reimbursed

Ordered items online which was taking long to be delivered. I did an EFT payment and using my store account to pay for the order then after several days waiting I got a notification that they cannot find certain items so it’s cancelled and I would be refunded the EFT money. Several days passed also after that then I emailed and I was told my order was cancelled because my EFT payment didn’t go through and I told them the EFT was successful and forwarded my bank statement. I was then told I would be reimbursed and today I received an email stating that the EFT payment I made for the order is going towards my account as a payment. I am so disappointed in you, never again will you see me buying from any of your stores. You are clear ******.