{-# LANGUAGE ExistentialQuantification #-}

module Player where

import Card
import Pile

class Player p where
    team :: p -> Team
    hand :: p -> Hand
    chooseCard :: p -> Colour -> Maybe Colour -> [Card] -> Card

data Stupid = Stupid { getTeam :: Team
                     , getHand :: Hand }
              deriving Show

instance Player Stupid where
    team = getTeam
    hand = getHand
    chooseCard p trumpCol turnCol hand = head possible
        where possible = filter (isAllowed trumpCol turnCol hand) hand

data PL = forall p. (Show p, Player p) => PL p

instance Show PL where
    show (PL p) = show p

instance Player PL where
    team (PL p) = team p
    hand (PL p) = hand p
    chooseCard (PL p) = chooseCard p

data Players = Players PL PL PL
               deriving Show

player :: Players -> Hand -> PL
player (Players p _ _) Hand1 = p
player (Players _ p _) Hand2 = p
player (Players _ _ p) Hand3 = p

--playersFromTable :: Players -> [CardS] -> [Player]
--playersFromTable ps = map (player ps . playerOfHand . getOwner)