module Commands.Dev.Core.Read where

import Commands.Base
import Commands.Dev.Core.Read.Options
import Evaluator qualified as Eval
import Juvix.Compiler.Core.Options qualified as Core
import Juvix.Compiler.Core.Pretty qualified as Pretty
import Juvix.Compiler.Core.Scoper qualified as Scoper
import Juvix.Compiler.Core.Transformation qualified as Core
import Juvix.Compiler.Core.Transformation.DisambiguateNames qualified as Core
import Juvix.Compiler.Core.Translation.FromSource qualified as Core

runCommand ::
  forall r a.
  ( Members '[Embed IO, App] r,
    CanonicalProjection a Eval.EvalOptions,
    CanonicalProjection a Pretty.Options,
    CanonicalProjection a CoreReadOptions
  ) =>
  a ->
  Sem r ()
runCommand opts = do
  gopts <- askGlobalOptions
  inputFile :: Path Abs File <- fromAppPathFile sinputFile
  s' <- embed . readFile . toFilePath $ inputFile
  tab <- getRight (mapLeft JuvixError (Core.runParserMain inputFile Core.emptyInfoTable s'))
  let r = run $ runReader (project @GlobalOptions @Core.CoreOptions gopts) $ runError @JuvixError $ Core.applyTransformations (project opts ^. coreReadTransformations) tab
  tab0 <- getRight $ mapLeft JuvixError r
  let tab' = if project opts ^. coreReadNoDisambiguate then tab0 else Core.disambiguateNames tab0
  embed (Scoper.scopeTrace tab')
  unless (project opts ^. coreReadNoPrint) $ do
    renderStdOut (Pretty.ppOut opts tab')
  whenJust (tab' ^. Core.infoMain) $ \sym -> doEval tab' (fromJust $ tab' ^. Core.identContext . at sym)
  where
    doEval :: Core.InfoTable -> Core.Node -> Sem r ()
    doEval tab' node =
      if
          | project opts ^. coreReadEval -> do
              embed (putStrLn "--------------------------------")
              embed (putStrLn "|            Eval              |")
              embed (putStrLn "--------------------------------")
              Eval.evalAndPrint opts tab' node
          | project opts ^. coreReadNormalize -> do
              embed (putStrLn "--------------------------------")
              embed (putStrLn "|         Normalize            |")
              embed (putStrLn "--------------------------------")
              Eval.normalizeAndPrint opts tab' node
          | otherwise -> return ()
    sinputFile :: AppPath File
    sinputFile = project opts ^. coreReadInputFile