"Worst practice I ever been to"

I’ve been to this group practice for 3 years and i always had issues with it the front desk staff is very rude and racist but i always tolerated it as the nurses were very lovely and professional but before i transferred to another gp i paid for a letter that i needed from the doctor and they told me it’s gonna be 7 to 10 working days i called on the 8th day and i was told it’s gonna be ready on the 10th day i called twice in the morning asking them for it as i really need it today but the staff was extremely rude and telling me that they have a lot of letters to do and i should wait till monday as the doctor was there i explained that i really needed it for today they told me to call later and when i called 6 hours later a very rude person told me that i just called and i should try later as they close at 18:30 it’s unacceptable horrible really to pay for something that i shouldn’t be paying and still be treated like trash from the reception team.