{-# LANGUAGE LambdaCase #-}

module Main where

import Lib

import System.Environment (getArgs)
import Data.List (uncons)
import Data.Maybe (mapMaybe)

paths :: [FilePath]
paths =
    [ "./data/01.in"
    , "./data/02.in"
    , "./data/03.in"
    , "./data/04.in"
    , "./data/05.in"
    , "./data/06.in"
    , "./data/07.in"
    , "./data/08.in"
    , "./data/09.in"
    , "./data/10.in"
    , "./data/11.in"
    , "./data/12.in"
    , "./data/13.in"
    , "./data/14.in"
    , "./data/15.in"
    , "./data/16.in"
    , "./data/17.in"
    , "./data/18.in"
    , "./data/19.in"
    , "./data/20.in"
    , "./data/21.in"
    , ""
    , ""
    , "./data/24.in"
    , "./data/25.in"
    ]

solutions :: [(Int, Day, FilePath)]
solutions =
  let maybeSolutions = zip3 [1 ..] days paths
      available (num, daySolutions, filepath) = do
        (firstSolution, _) <- uncons daySolutions
        return (num, firstSolution, filepath)
   in mapMaybe available maybeSolutions

runAll :: [(Int, Day, FilePath)] -> IO ()
runAll = mapM_ (\(dayNum, day, path) -> run day path >>= printDR dayNum)

usage :: IO ()
usage = putStrLn "./Main"


main :: IO ()
main =
    printHeader
        >> getArgs
        >>= (\case
            ["all"] -> runAll solutions
            _ -> runAll [last solutions])
        >> printFooter