debonairs staff are very rude

Good day

on the 6th of December I ordered pizza online ,I received confirmation that they received by order and it will be delivered ,after 30min or 40 min I received a call from my mother saying they haven't received the pizza,i called store and they told me that they have loadshedding so they cant deliver my pizza, they will refund me ,

so I asked them can they do it now because that was my last money and they told me they cant because their system its offline to reverse the payment ,the person I spoke with was very rude and shouting at me ,as I was not clear why cant they reverse the money,

there power came bacj same Friday and the money was not reversed ,so I thought it will be done Saturday morning, still nothing was not done ,I called and asked why is my money not reversed and they said it was done and I told me I haven't received an notification ,

I called again and I spoke with Mpho the store manager ,rude and she was not even interested in what I was saying ,she said they money was reversed Saturday but it will take 7 days for the money to be in my account, which is unfair

My plea is that , debonairs must train their staff about customer service and this thing of online ordering that we cant even go to the shop to claim our money ,