module Main where

import Control.Monad.State (evalState)
import qualified Data.Vector as V
import Types

main :: IO ()
main = do
  -- putStrLn $ evalState (insert 5 (2, 5) >> showCandidates3) dummyState

  -- print $ evalState (getBoxRange 1) dummyState
  -- print $ evalState (getBoxRange 2) dummyState
  -- print $ evalState (getBoxRange 3) dummyState
  -- print $ evalState (getBoxRange 4) dummyState
  -- print $ evalState (getBoxRange 5) dummyState
  -- print $ evalState (getBoxRange 6) dummyState
  -- print $ evalState (getBoxRange 7) dummyState
  -- print $ evalState (getBoxRange 8) dummyState
  -- print $ evalState (getBoxRange 9) dummyState

  -- print $ evalState (getBox (1, 4)) dummyState

  let sudoku = read test :: Sudoku

  putStrLn "Reading:"
  print sudoku
  putStrLn "Pretty Printing:"
  putStrLn $ pretty sudoku

  putStrLn "Candidates:"
  putStrLn $ evalState (insertAll sudoku >> showCandidates3) initState

test :: String
test = "070000043040009610800634900094052000358460020000800530080070091902100005007040802"

{-
070 000 043
040 009 610
800 634 900
094 052 000
358 460 020
000 800 530
080 070 091
902 100 005
007 040 802
-}
dummyState :: SudokuState
dummyState =
  SudokuState
    { dimension = 3,
      grid = V.replicate 81 0,
      idxs = V.fromList [(x, y) | x <- [1 .. 9], y <- [1 .. 9]],
      candidates = V.replicate 81 (V.replicate 9 True)
    }

initState :: SudokuState
initState =
  SudokuState
    { dimension = 0,
      grid = V.empty,
      idxs = V.empty,
      candidates = V.empty
    }