Game.hs


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module Game where

import Data.Char (isDigit)
import Control.Monad (when)
import System.Random (RandomGen)
import Player (Player, shed, draw)
import qualified Player as P
import Card (Card)
import qualified Card as C

data Direction = CCW | CW
data Game = Game { players :: [Player]
                 , playerIdx :: Int
                 , attack :: Integer
                 , direction :: Direction
                 , stockPile :: [Card]
                 , discardPile :: [Card]
                 }

prompt :: Game -> IO Card
prompt game@(Game plyrs pidx att _ _ _) = do
    let player = plyrs !! pidx
    let cards = P.cards player
    putStrLn $ P.name player ++ "'s turn"
    putStrLn $ P.showCards player
    cardIdxStr <- getLine
    if any (== False) $ map isDigit cardIdxStr
        then do
            putStrLn "Please input card #"
            prompt game
        else do
            let cardIdx = read cardIdxStr - 1
            if cardIdx < 0 || cardIdx >= length cards
                then do
                    putStrLn "This card does not exist, try again"
                    prompt game
                else return $ cards !! cardIdx