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{-# LANGUAGE RecordWildCards #-}

import qualified Text.Show.Pretty as Pr

data Army = Army { name :: String
                 , units :: [Unit]
                 , solos :: [Solo]
                 , warlocks :: [Warlock]
                 , warbeasts :: [Warbeast] }
    deriving (Eq, Show)

type Unit = (String, Int)
trolleUnits :: [Unit]
trolleUnits = [("Highwaymen", 8)]

type Solo = (String, Int)
trolleSolos :: [Solo]
trolleSolos = [("Braylen Wanderheart", 5), ("Trollkin Skinner", 2)]

type Warlock = String
trolleWarlocks :: [Warlock]
trolleWarlocks = ["Jarl Skuld", "Captain Gunnbjorn"]

type Warbeast = (String, Int)
trolleWarbeasts :: [Warbeast]
trolleWarbeasts = [("Dire Troll Bomber", 10)]

trolle :: Army
trolle = Army { name = "Trolle"
              , units = trolleUnits
              , solos = trolleSolos
              , warlocks = trolleWarlocks
              , warbeasts = trolleWarbeasts}

addUnit :: Unit -> Army -> Army
addUnit u army@Army{..} = army { units = u:units }

addWarlock :: Warlock -> Army -> Army
addWarlock w army@Army{..} = army { warlocks = w:warlocks }

main = do
  putStrLn $ Pr.ppShow trolle
  let newTrolle = addUnit ("Archers", 10) trolle
  putStrLn $ Pr.ppShow newTrolle