Hi Wayne,
Well done on looking for help.
You can stop gambling I promise you. Read the other stories here, you will see the sort of thing that is helping others.
Does this ***** as day one because you don’t have any money at the moment? Yes it does. Now use the knowledge yolu have, no money = no gambling. Can you appply that now to your recovery? Make arrangements so that at the moment you have no access to money when you do get it, have it paid into your wifes ac*****.
Where do you normally gamble? Get yourself excluded.
If your debts are unmanageable then get some proper finanacial advice, there are a lot of free debt advice agencies out there which will allow you to ge things to a manageable position.
Regarding your self harming and suicidal thoughts there is always someone you can talk to. Keep in touch with your Dr and mental health team.
This link will allow you to find someone to talk to.
Keep posting, what steps can you start to take? There is a lot of life after gambling I promise you.