Tic Tac Toe: Normal AI not working properly

[FlyingWolFox]

The game's AI is acting weird

[FlyingWolFox]

The AI got worse, for some reason it doens't return a play inside of the if and returns the default play (2, 2 or position 9)

[FlyingWolFox]

Due to me havinng to sent the code today I disabled the AI

[FlyingWolFox]

Note: fixed the default play. Forgot that I changed a flag, so it sets to -1, not 0 and forgot to apply the change in the rest of the code. The AI still disabled tho