-- | Library of AI Players
module AI (aiPlayers) where

import Board
import AI.Utils
import AI.Lame
import AI.Minimax


-- all AI players; default AI is the first one 
aiPlayers :: [AI]
aiPlayers = [level0, level1, level2]

level0 = AI { name = "Level 0"
            , description = "Randomly selects the next turn."
            , strategy = lameStrategy
            }

level1 = AI { name = "Level 1"
            , description = "Minimaxing alpha-beta depth 2"
            , strategy = minimaxStrategy 2
            }

level2 = AI { name = "Level 2"
            , description = "Minimaxing alpha-beta depth 2-4"
            , strategy = (withNPieces $ \numpieces -> 
                              if numpieces>30 then
                                  minimaxStrategy 4
                              else
                                  minimaxStrategy 2
                         )
            }