--
-- HTagLib tests, testing of Setters.
--
-- Copyright © 2015–2017 Mark Karpov
--
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-- modification, are permitted provided that the following conditions are
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--   this list of conditions and the following disclaimer.
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-- * Redistributions in binary form must reproduce the above copyright
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{-# LANGUAGE OverloadedStrings #-}

module Sound.HTagLib.SetterSpec (spec) where

import Sound.HTagLib
import Sound.HTagLib.Test.Util
import System.Directory (getTemporaryDirectory, copyFile)
import System.FilePath ((</>), takeFileName)
import Test.Hspec

#if !MIN_VERSION_base(4,8,0)
import Control.Applicative ((<$>))
#endif

spec :: Spec
spec =
  describe "setters" $ do
    mapM_ (withFile $ const simpleSetter) fileList
    mapM_ (withFile specializedSetter)    fileList

dupeFile :: FilePath -> IO FilePath
dupeFile path = do
  newPath <- (</> takeFileName path) <$> getTemporaryDirectory
  copyFile path newPath
  return newPath

updateSampleTags :: AudioTags -> AudioTags
updateSampleTags tags = tags
  { atTitle       = mkTitle "title'"
  , atArtist      = mkArtist "artist'"
  , atAlbum       = mkAlbum "album'"
  , atComment     = mkComment "comment'"
  , atGenre       = mkGenre "genre'"
  , atYear        = mkYear 2056
  , atTrackNumber = mkTrackNumber 8 }

simpleSetter :: AudioTags -> Expectation
simpleSetter tags = do
  let path = atFileName tags
  dupe <- dupeFile path
  setTags dupe Nothing sampleSetter
  extracted <- getTags dupe (sampleGetter dupe)
  extracted `shouldMatchTags` updateSampleTags (tags { atFileName = dupe })

specializedSetter :: FileType -> AudioTags -> Expectation
specializedSetter t tags = do
  let path = atFileName tags
  dupe <- dupeFile path
  setTags' dupe Nothing t sampleSetter
  extracted <- getTags dupe (sampleGetter dupe)
  extracted `shouldMatchTags` updateSampleTags (tags { atFileName = dupe })