import qualified Cheapskate as Cheapskate
import qualified Cheapskate.Html as CheapskateHtml
import qualified CMarkGFM as CMarkGFM
import qualified Text.Sundown.Html.Text as Sundown
import qualified Text.Discount as Discount
import qualified Text.Blaze.Html.Renderer.Text as Blaze
import qualified Text.Markdown as Markdown
import Data.Text (Text)
import Data.Text as T
import Data.Text.Lazy (fromChunks, toChunks)
import Data.Text.IO as T
import Criterion.Main
import Criterion.Monad
import System.Environment (getArgs)

main :: IO ()
main = do
  sample <- T.readFile "bench/sample.md"
  defaultMain [
      mkBench "cheapskate" (T.concat . toChunks . Blaze.renderHtml . CheapskateHtml.renderDoc . Cheapskate.markdown Cheapskate.def) sample
    , mkBench "discount" (Discount.parseMarkdownUtf8 []) sample
    , mkBench "markdown" (T.concat . toChunks . Blaze.renderHtml . Markdown.markdown Markdown.def . fromChunks . (:[])) sample
    , mkBench "cmark" (CMarkGFM.commonmarkToHtml []) sample
     ]

-- Note: when full-sample.md rather than sample.md is used markdown
-- hangs (> 1 minute).

-- even with sample.md, sundown gives this error
-- , mkBench "sundown" (Sundown.renderHtml Sundown.noExtensions Sundown.noHtmlModes False Nothing) sample
-- bench-cmark(50437,0x7fff7bfbe310) malloc: *** error for object 0x7ffde3d00928: incorrect checksum for freed object - object was probably modified after being freed.
--  *** set a breakpoint in malloc_error_break to debug

mkBench :: String -> (Text -> Text) -> Text -> Benchmark
mkBench name converter inp =
  bench name $ nf converter inp