First, you must ensure you live within your means.
Destroy your credit cards and take out a laser on your account.
Then talk to your local MABS office and take their advice on managing your debt.
This is an ongoing issue - a badly planned personal budge will eat up that €2,000 in a month
I would tend to clear your mortgage, because now that you're earning again you may not get a "holiday".
Once you've reduced your outgoings to sustainable levels, agree a payment schedule with your credit card companies.