Individual discounts

Hello,

Is there a plugin that would allow me to implement something like this:

The customer subscribes to the newsletter and receives a 2% discount on everything, excluding promotions
After the first purchase, his discount increases by 2%, so he already has a 4% permanent discount
For every purchase above a certain amount, he receives 1%
After entering a special code, he receives a 2% discount
A maximum of 8% discount can be collected, but if he makes 8 purchases, he will receive a 2% discount for 9 purchases, i.e. 10% in total, and then it will drop to 8% again. And so every 8 purchases.
If he does not buy anything for 6 months, his discount is reduced by 2%

Example:
Client A often makes cheap purchases and has not subscribed to the newsletter, so his permanent discount is 2% each time after making 8 purchases, it increases to 4% once.

Customer B makes purchases less often for a larger amount. He also did not sign up for the newsletter, but collected 1% for each purchase and reached the level of 8%. His discount no longer increases, except for the 9th purchase for which he will get an additional 2%, i.e. 10% in total

Client C once collected 6% but has not bought anything for a year, so it dropped to 2%. Because he is subscribed to the newsletter, after another year of absence he will still have the 2%