I like it!
My definition is that a true friend would not put you in that situation of calling you at 3 am in the morning and asking for bail money.
And yes, the first question I would ask is what in the world you were doing at 3 am in the morning that would cause you to be arrested? I would most likely suggest that my "friend" should talk to a a lawyer first before asking me for bail money. Why would he not go to his own family first, unless they have been burned by him on previous occasions?