From c7d4746542303188bcbd081519f3893dc60ecf27 Mon Sep 17 00:00:00 2001
From: Frederick Yin <fkfd@fkfd.me>
Date: Mon, 9 Jan 2023 15:43:42 +0800
Subject: Auto mode can be toggled

---
 Game.hs | 27 ++++++++++++++-------------
 Main.hs |  2 +-
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/Game.hs b/Game.hs
index ea327a9..5de5ce5 100644
--- a/Game.hs
+++ b/Game.hs
@@ -17,18 +17,18 @@ data Game = Game { players :: [Player]
                  , discardPile :: [Card]
                  }
 
--- | Begin new round of game.
-beginRounds :: Int -> Game -> IO Game
-beginRounds n game = do
-    if n == 0
+-- | Begin `r` rounds of game.
+beginRounds :: Int -> Bool -> Game -> IO Game
+beginRounds r auto game = do
+    if r == 0
        then return game
        else do
-           game' <- beginTurn game
-           beginRounds (n - 1) game'
+           game' <- beginTurn auto game
+           beginRounds (r - 1) auto game'
 
 -- | Let current player take their turn.
-beginTurn :: Game -> IO Game
-beginTurn game@(Game plyrs pidx att dir prev stock disc) = do
+beginTurn :: Bool -> Game -> IO Game
+beginTurn auto game@(Game plyrs pidx att dir prev stock disc) = do
     let player = plyrs !! pidx
 
     putStrLn $ replicate 80 '-'
@@ -39,15 +39,16 @@ beginTurn game@(Game plyrs pidx att dir prev stock disc) = do
     putStrLn $ "Current attack: " ++ show att
     putStrLn $ "Prev card: " ++ C.showCard prev
 
-    -- decision <- prompt game
-    let decision = auto game
+    decision <- if auto
+                   then return $ automate game
+                   else prompt game
     game' <- case decision of
                Nothing -> drawAndSkip game
                Just card -> shedAndContinue card game
 
     if playerIdx game' == pidx  -- shedAndContinue does this when player wins
        then return game'
-       else beginTurn game'
+       else beginTurn auto game'
 
 -- | Game state after player draws card(s) and skips turn.
 drawAndSkip :: Game -> IO Game
@@ -120,8 +121,8 @@ prompt game@(Game plyrs pidx att _ prev _ _) = do
                                 prompt game
 
 -- | Make an automated decision to draw/shed card.
-auto :: Game -> Maybe Card
-auto game@(Game plyrs pidx att _ prev _ _) =
+automate :: Game -> Maybe Card
+automate game@(Game plyrs pidx att _ prev _ _) =
     if null validCards
        then Nothing
        else Just (head validCards)
diff --git a/Main.hs b/Main.hs
index aaae87c..70c9df7 100644
--- a/Main.hs
+++ b/Main.hs
@@ -34,5 +34,5 @@ main = do
                     , discardPile = discard
                     }
 
-    beginRounds 1 $ dealCards 6 game
+    beginRounds 1 False $ dealCards 6 game
     print ()
-- 
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