1999 Nissan Pathfinder failure brakes/no brakes at all

after diagnose the car,it was wheel cyl leaks and no pads''lining'' left at all ,and it was calibers frozen ok .brake lines are good so. we replace them ,we did bleed system more than 3times,just i start it up the pedal so soft goes all way to the floor,,so what do you think really was i did not checked it...???by the way master cyl it pushing fluid''thank you