Player.hs


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module Player where

import qualified Data.List as L
import Card (Card)
import qualified Card as C

data Player = Player { name :: String
                     , penalty :: Integer
                     , cards :: [Card]
                     }

-- | Update `i`-th player in `ps` to `p`.
update :: [Player] -> Int -> Player -> [Player]
update ps i p =
    let (left, right) = splitAt i ps
     in left ++ [p] ++ (tail right)

-- | Same player after shedding card specified.
shed :: Player -> Card -> Player
shed (Player n p cs) c = Player n p $ L.delete c cs

-- | Same player after drawing cards specified.
draw :: Player -> [Card] -> Player
draw (Player n p cs) cs' = Player n p $ L.sort (cs' ++ cs)

-- | Show player's cards, e.g. "1. Spade 2"
showCards :: Player -> String
showCards (Player _ _ cs) =
    unlines $ zipWith (\i c -> (show i) ++ ". " ++ C.showCard c) [1..] cs