Easily has enough potential for this level, he's inconsistent but a lot of teenage players are and there's a lot of rough patches but he consistently shows signs of improvement. At 19 he's played at a world cup, won promotion to the premier league, won league one, played european football, and scored a hat trick in the championship, at 19!
Hopefully he'll get his chance here next season, I imagine Blues will probably want him on loan for the season now.