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113 lines
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Haskell

module Main where
import AOC (Solution (..), mkAocClient, showSolution)
import Configuration.Dotenv (defaultConfig, loadFile)
import Control.Exception (IOException, catch)
import Control.Monad (when)
import Data.Functor (void)
import Data.IntMap.Strict qualified as M
import Data.Text qualified as T
import Data.Text.IO qualified as T
import Options.Applicative
import Solutions (solutions)
import System.Directory (createDirectoryIfMissing)
import System.Environment (getEnv)
import Tests (test)
import Text.Printf (printf)
-- | CLI Options
data Options = Option
{ _command :: Action,
_day :: Int,
_part :: Maybe Int
}
-- | CLI Commands
data Action = Run | Test | Bench | Submit
deriving (Show)
main :: IO ()
main = do
void $ loadFile defaultConfig
session <- getEnv "SESSION"
year <- read <$> getEnv "YEAR"
Option {..} <- customExecParser (prefs showHelpOnEmpty) opts
when (_day < 1 || _day > 24) $ do
fail $ printf "Day '%d' is out of range (1-24)" _day
(aocInput, aocSubmit) <- mkAocClient session year _day
input <- getPuzzleInput _day aocInput
let day = solutions M.! _day
case _command of
Run -> putStr $ run day _part input
Test -> test day _day _part
a -> fail $ "Unimplemented: " ++ show a
-- | Retrieve puzzle input for a given day from a file. If no file is
-- found, hit the api.
getPuzzleInput :: Int -> IO T.Text -> IO T.Text
getPuzzleInput day aocInput =
T.readFile fp `catch` \(_ :: IOException) -> fetchInput
where
fp = printf ".inputs/%d.txt" day
fetchInput = do
input <- aocInput
createDirectoryIfMissing True ".inputs"
T.writeFile fp input
return input
-- | Run solution (optionally just part) on input and return the
-- result as a string ready for submission
run :: Solution -> Maybe Int -> T.Text -> String
run (Solution pInput part1 part2) part input =
case part of
Nothing -> printf "Part 1: %s\nPart 2: %s\n" part1' part2'
Just n -> printf "Part %d: %s\n" n $ if n == 1 then part1' else part2'
where
parsed = pInput input
part1' = showSolution $ part1 parsed
part2' = showSolution $ part2 parsed
-- | CLI parser
opts :: ParserInfo Options
opts =
info
(commands <**> helper)
( fullDesc
<> progDesc "Run, benchmark, test, or submit an AOC day"
<> header "runner - an AOC solution runner"
)
where
commands = subparser $ runCmd <> testCmd <> benchCmd <> submitCmd
runCmd =
mkCmd
"run"
(Option Run <$> day <*> optional part)
"Run a given day, optionally specifying which part"
testCmd =
mkCmd
"test"
(Option Test <$> day <*> optional part)
"Test a given day, optionally specifying which part"
benchCmd =
mkCmd
"bench"
(Option Bench <$> day <*> optional part)
"Benchmark a given day, optionally specifying which part"
submitCmd =
mkCmd
"submit"
(Option Submit <$> day <*> (Just <$> part))
"Run and submit the answer to a given day and part"
day = argument auto (metavar "DAY")
part = argument auto (metavar "PART")
mkCmd cmd f desc = command cmd (info f (progDesc desc))