opencart check if product already in wishlist

i just want to check if products already added in wishlist (for logged in customers only)

and put result on twig file that if product already in wishlist

button color=red
else
button color=gray

and also even get above results, when user click add to wishlist button, a live result will be given, i mean button color gray will be change to red using javascript...

i'm using latest version 3.0.3.2 opencart version

a better solution must be appreciated...

from opencart check if product already in wishlist