The tips will start to harden up after a week or so, and reach their optimum invincibility in about a month, and as for commandable fingers it's just a matter of practice, but every time you get it right it becomes easier the next time. With chords try changing your finger position in mid air if you can rather than placing each finger individually on the strings as it facilitates much faster chord changes. Keep at it it's surprisingly easy after quite a short while.
As NOX says, about a month to harden up, but ONLY if you keep at it. When I was gigging six nights a week, the tips of my fingers were so hard, I used to trim them with a razor blade (if they get too calloused, you can't feel with them!) Also used to rub them with witch hazel after a practice session.
Additionally, buy a quality guitar... the strings on good instruments are closer to the neck and frets... you don't have to push them down as far... makes it a lot easier, at least for me...