ps4 slim was shut down because of rain and the disk was inside it

hello… I REALLY NEED HELP…….

my ps4 slim was shut down because of rain and the disk was inside it, when i got power back i tried t start it but it blinks one time and i see a blue light but instantly the light gets off and it doesn’t works after that.. no sound of fan , or not beeping again even if i try to tap on the power button or the disk eject button,

the i tried to plug my controller to ps4 and after trying the ps button of controller its blinking white light continuously …

i have tried to unplug it several times, used different wall ports , removed it for 30 or more seconds but nothing is working….

PLEASE HELP ME… PLEASE …