1998 Toyota Starlet my car brake lights are on although i t

Electrical problem
1998 Toyota Starlet 4 cyl Front Wheel Drive Manual

hi

i own a toyota starlet. yestreday wen i tried to start my car up it wouldnt starrt and my brake lights were on so i checked my headlights but they turned off.. the whole cars is turned off expect the brake lights and thats draining my battery so could u please tell or explain me how to fix that issue...