You might need two people.
This kinda happened to my girls car.
One person should pull the hood latch from the inside of the car, while the other is yanking up on the hood as hard as he can, (Maybe smarter to have two puling on the hood and one in the car.)
That way you can have a better view on how to mount the new head light.
Also go to the junk yard and buy a good used one for 10-20 bucks depending on the junk yard.
Plus look for a new hood, and front mounting brackets.
Good Luck