Why my laptop is not turning on and not charging?

My laptop was on and charging then suddenly it stops charging and after a minute it switches off and smoke comes out of the USB ports, then it never switches on again. I unplugged the charger immediately and it was too late as I also came to realize that my charger is bend. I tried to open it so that I can inspect it myself, but it does not show any signs of burns from the inside and I tried smelling it so that I'd find out where the smoke was coming from then I found out that it is from the line of the charging port and the USB ports only. I am looking for a fast response with help. THANK YOU