As Wyliee said, you need to do some research into pickup brands. You'll find a lot of these things are options on various active preamps and come prewired so you just need to drop them into the guitar.
Look at brands such as Norstrand, Seymouor Duncan, DiMarzio, Bartolini, Aguilar, EMG etc.
See what options are available to you.
With discussing the Top Boost portion, the 2xVol + 2xTone and pickup selector wiring is very simple, and standard, and there are hundreds of diagrams all over the www, and on here about how to wire that. The top boost bit will alomost certainly require an active preamp, and so that will be need some research.
Wires, Pots, capacitors etc will all depend on the pickups and pre-amp combination. Once you have got a clearer idea of pickups, we'll be able to help you narrow down your options.
Any particular bass sounds you like? Bands / players you are trying to emulate?