you need to deal with all your emotional traumas that are probably a large part of your current anxiety, depressions and p hobia with the sun etc.
Please look at http://www.zpointprocess.com
Grant Connolly would most definately be able to help you, but more importantly there is loads of self help tools here too..
a few sessions with grant would get you back on track , and help you to feel less isolated with this problem. you must get this sorted, you need the sunshine for your health!!!