module Magic where

import Mana

-------------------------------------------------------------------------------
-- Cards
-------------------------------------------------------------------------------

data Rarity = Land
    | Common
    | Uncommon
    | Rare
    | Mythic
    | Special
    deriving (Show, Eq)

data Card = Card Rarity String Cost
    deriving (Show, Eq)

instance Mana Card where
    colors    (Card _ _ cost) = colors cost
    converted (Card _ _ cost) = converted cost

data Deck = Deck [Card]

curve :: Deck -> [(Int, Int)]
curve (Deck cards) = do
    let largest = maximum (map converted cards)
    map (\x -> (x, length (filter (\(Card rarity _ cost) -> rarity /= Land && converted cost == x) cards))) [0..largest]

cards = concat $ [ replicate 13 (Card Land "Swamp" (Cost [] [] []))
                 , replicate 13 (Card Land "Plains" (Cost [] [] []))
                 , replicate  4 (Card Mythic "Jace Beleren" (Cost [Standard 1 Colorless, Standard 2 Blue] [] []))
                 ]
deck = Deck cards