(disclaimer: I am also quite new to Elm)
I always try to avoid creating my own Cmd: there is usually a better, less
bug-prone way to achieve this (e.g. with resursive update calls).
That said: I can see the logic in having a Msg originating from a "real"
player, and another Msg from your AI player.
What you could do, is make a subscription to Time, that is only active if
it is the AI's turn to move.
That way, you get a) a delay before the AI makes a move + b) you do not
need to create your own command
Whenever it is the user's turn, or as soon as the game is over, the
subscription is turned off.
Something like this:
subscriptions : Model -> Sub Msg
subscriptions model =
if (gameIsNotFinished model && model.turn == AIToMove) then
Time.every second AIMove
else
Sub.none
You would of course have to define your own functions to check if the game
is still playing (no winner and no draw) and if it is the AI's turn to play.
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