content: {-# LANGUAGE OverloadedStrings #-}
  {-
  Copyright (C) 2012-2024 John MacFarlane <jgm@berkeley.edu>
  
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  -}
  import Text.Pandoc
  import Text.Pandoc.MIME
  import Control.DeepSeq (force)
  import Control.Monad.Except (throwError)
  import qualified Text.Pandoc.UTF8 as UTF8
  import qualified Data.ByteString as B
  import qualified Data.Text as T
  import Test.Tasty.Bench
  -- import Gauge
  import qualified Data.ByteString.Lazy as BL
  import Data.Maybe (mapMaybe)
  import Data.List (sortOn)
  import Text.Pandoc.Format (FlavoredFormat(..))
  
  readerBench :: Pandoc
              -> T.Text
              -> Maybe Benchmark
  readerBench _ name
    | name `elem` ["bibtex", "biblatex", "csljson"] = Nothing
  readerBench doc name = either (const Nothing) Just $
    runPure $ do
      (rdr, rexts) <- getReader $ FlavoredFormat name mempty
      (wtr, wexts) <- getWriter $ FlavoredFormat name mempty
      tmpl <- Just <$> compileDefaultTemplate name
      case (rdr, wtr) of
        (TextReader r, TextWriter w) -> do
          inp <- w def{ writerWrapText = WrapAuto
                      , writerExtensions = wexts
                      , writerTemplate = tmpl } doc
          return $ bench (T.unpack name) $
            nf (either (error . show) id . runPure . r def) inp
        (ByteStringReader r, ByteStringWriter w) -> do
          inp <- w def{ writerWrapText = WrapAuto
                      , writerExtensions = wexts
                      , writerTemplate = tmpl } doc
          return $ bench (T.unpack name) $
            nf (either (error . show) id .
                  runPure . r def{readerExtensions = rexts}) inp
        _ -> throwError $ PandocSomeError $ "text/bytestring format mismatch: "
                             <> name
  
  getImages :: IO [(FilePath, MimeType, BL.ByteString)]
  getImages = do
    ll <- B.readFile "test/lalune.jpg"
    mv <- B.readFile "test/movie.jpg"
    return [("lalune.jpg", "image/jpg", BL.fromStrict ll)
           ,("movie.jpg", "image/jpg", BL.fromStrict mv)]
  
  writerBench :: [(FilePath, MimeType, BL.ByteString)]
              -> Pandoc
              -> T.Text
              -> Maybe Benchmark
  writerBench _ _ name
    | name `elem` ["bibtex", "biblatex", "csljson"] = Nothing
  writerBench imgs doc name = either (const Nothing) Just $
    runPure $ do
      (wtr, wexts) <- getWriter $ FlavoredFormat name mempty
      case wtr of
        TextWriter writerFun ->
          return $ bench (T.unpack name)
                 $ nf (\d -> either (error . show) id $
                         runPure $ do
                           mapM_ (\(fp,mt,bs) -> insertMedia fp (Just mt) bs) imgs
                           writerFun def{ writerExtensions = wexts} d)
                      doc
        ByteStringWriter writerFun ->
          return $ bench (T.unpack name)
                 $ nf (\d -> either (error . show) id $
                         runPure $ do
                           mapM_ (\(fp,mt,bs) -> insertMedia fp (Just mt) bs) imgs
                           writerFun def{ writerExtensions = wexts} d)
                      doc
  
  main :: IO ()
  main = do
    inp <- UTF8.toText <$> B.readFile "test/testsuite.txt"
    let opts = def
    let doc = either (error . show) force $ runPure $ readMarkdown opts inp
    defaultMain
      [ env getImages $ \imgs ->
        bgroup "writers" $ mapMaybe (writerBench imgs doc . fst)
                           (sortOn fst
                             writers :: [(T.Text, Writer PandocPure)])
      , bgroup "readers" $ mapMaybe (readerBench doc . fst)
                           (sortOn fst
                             readers :: [(T.Text, Reader PandocPure)])
      ]
  