https://www.easa.europa.eu/sites/def...ents-Jun20.pdf
Have a browse through this. It gives the rules for medical fitness, inc AMC (Alternative Method of Compliance). Ultimately you will only find out by applying for a Class 1 - good luck.
As for airline interviews my guess is that they will be more interested in how you dealt/deal with it rather than the event itself. 16 years ago a friend took his own life - his son is now an airline Cp.
Hth