Welcome to the forum
I understand how chronic pain can cause depression and suicidal ideation. I have been where you are and still deal with the pain.
I will give you a link that has help me greatly.
I live in New Jersey and weed helps we a lot. It took me since 2005 to find a neurologist and pain doc to work together to try and ease my pain. Last month I finally received an answer as to why. Now we are working a a better maintainance
I know how terribly hard it is to be your own advocate with doctors, but do not settle for "this life" type answers if you can.
This link is for many helpful things. I searched for pain and depression and the link takes to the list of articles. I hope you find something that helps. https://www.mindful.org/?s=pain+and+depression
Peace and strength
Moderator - Depression
"...when the gift of sight is cause enough for jubilation."
Billy Collins from the poem. HIGH
DX: reverse Trigeminal Neuralgia;Cluster headaches; Atypical face pain;Hemicrania Continua; Complex Migraines: raynauds;Complex PTSD; recurring MDD,disassociative disorder with psychotic features. Laryngopharyngeal Reflux Disease [LPR]