Engine Ac problem

i have a honda 99 Civic that just got hit by a dear, the bumper,hood and wind sheild was dent and cracked. when i drove home it lose power and dead but everything is ok eccept.

when i start up the engine it sound normal but when turn on AC it sould louder the AC make squeek noise for few sec then stop, so i turn off AC the engine sound normal but i still hear the AC noise again for few sec ... is it anything to do with the belt compressor or any?