{-# LANGUAGE OverloadedStrings #-}

module Main where

import Data.Aeson.Encode.Pretty (encodePretty)
import Data.List (isSuffixOf)
import qualified Data.Text.IO as T
import qualified Data.Text.Lazy as LText
import qualified Data.Text.Lazy.Encoding as LText
import Data.Time (UTCTime(UTCTime))
import Data.Time.Calendar.OrdinalDate (fromOrdinalDate)
import Paths_hsec_tools (getDataFileName)
import qualified Security.Advisories.Convert.OSV as OSV
import Security.Advisories.Parse
import qualified Spec.FormatSpec as FormatSpec
import System.Directory (listDirectory)
import Test.Tasty (defaultMain, testGroup, TestTree)
import Test.Tasty.Golden (goldenVsString)
import Text.Pretty.Simple (pShowNoColor)

main :: IO ()
main = do
    goldenFiles <- listGoldenFiles
    defaultMain $
        testGroup
            "Tests"
            [ goldenTestsSpec goldenFiles
            , FormatSpec.spec
            ]

listGoldenFiles :: IO [FilePath]
listGoldenFiles = map (mappend dpath) . filter (not . isSuffixOf ".golden") <$> (getDataFileName dpath >>= listDirectory)
  where
    dpath = "test/golden/"

goldenTestsSpec :: [FilePath] -> TestTree
goldenTestsSpec goldenFiles = testGroup "Golden test" $ map doGoldenTest goldenFiles

doGoldenTest :: FilePath -> TestTree
doGoldenTest fp = goldenVsString fp (fp <> ".golden") (LText.encodeUtf8 <$> doCheck)
  where
    doCheck :: IO LText.Text
    doCheck = do
        input <- getDataFileName fp >>= T.readFile
        let fakeDate = UTCTime (fromOrdinalDate 1970 0) 0
            attr = OutOfBandAttributes
              { oobPublished = fakeDate
              , oobModified = fakeDate
              }
            res = parseAdvisory NoOverrides (Right attr) input
            osvExport = case res of
                Right adv ->
                    let osv = OSV.convert adv
                     in LText.unlines
                            [ pShowNoColor osv
                            , LText.decodeUtf8 (encodePretty osv)
                            ]
                Left _ -> ""
        pure (LText.unlines [pShowNoColor res, osvExport])