Not all of it is possible, like map stats, but game mode stats are easy since you can get the total rounds played and put them under the conquest/rush/tdm ribbons.
We can't give you an answer to this one, yet. As soon as we know something, we'll let you know.
So, after some testings and lookups it's not possible at the moment. Map played / mods played data not exists, best 5 weapons already shown per default. Maybe DICE will integrate some more statistics in the future.