open gui with right click, whit item, and shoot projectile, with left click, with the same item

I want to create a wizard mod.

i want to open a gui with right click, with a specifick modded item, and shoot a projectile, with left click, with the same modded item.

in the gui the player can choose a projectile with buttons. and with left click the item shoot that specific projectile.

can i do it?

if i can, how?

sorry, my english is not good.