[General] Help with Ai (Re)

[Justas]

I had asked similar question to this few weeks ago . Now its few new problems , I can't create AI which would control Custom units and need help to resolve one problem with AI .
First problem- Can some one tell me how to create AI for campaigns because I searched internet for quite a while and found its only possible with JASS using note pad... Don't know how that works...
Second problem-Resolved