Diabetic or Peripheral neuropathy or -?

Woke up with a foot spasm that progressively got worse. First it was only tingiling in the right foot arch that stayed till i slept.(I did try the warm water remedy) The next they the whole foot felt "dull" but its responses where normal. Later that night after going on a walk the whole foot started feeling hot but i still slept on it. Woke up in the middle of the night to find that both my feet where burning hot but the toes where abnormally cold for some reason. Today i woke with both my feet giving off a burning sensation but for some reason once again it shift its temperature to being cold after some time(literally cold;not only in the inside). This cold temperature is now slowly crawling up to my knees and my left knee feels odd. Will this keep getting this worse this fast? And also what kind of doctor should i vist? -Sorry for the long post , summarized it the best i could…