Authoritative yet Friendly!

I can't really decipher what kind of parent I would become. With my attitude, I can say that I am a parent who is strict. Strict is fine with me but I want it to be strict but open, open to a conversation with my child and open with information that they need to know. I want to establish an authoritative yet friendly kind of relationship. A relationship where my future children would really listen to me and would open up to me no matter what the topic is, be it on love, school, decision making, etc. I want to be a mother and a best friend at the same time, in that matter I can really guide them and to avoid them from keeping secrets from me. :D