{-# LANGUAGE OverloadedStrings #-}

module Text.CueSheet.RenderSpec
  ( spec )
where

import Control.Monad.Catch
import Data.List.NonEmpty (NonEmpty (..))
import Test.Hspec
import Test.QuickCheck
import Text.CueSheet.Parser
import Text.CueSheet.Render
import Text.CueSheet.Types
import qualified Data.ByteString.Lazy as BL
import qualified Data.List.NonEmpty   as NE

spec :: Spec
spec =
  describe "renderCueSheet" $ do
    it "doesn't ever produce trailing whitespace" $
      property $ \csrf cueSheet -> do
        let r = renderCueSheet csrf cueSheet
            f x = if csrf then BL.take (BL.length x - 1) x else x
        BL.split 10 r `shouldNotSatisfy`
          any ((" " `BL.isSuffixOf`) . f)
    it "always ends with the specified new line sequence" $
      property $ \csrf cueSheet -> do
        let r   = renderCueSheet csrf cueSheet
            eol = if csrf then "\r\n" else "\n"
        r `shouldSatisfy` (eol `BL.isSuffixOf`)
    it "doesn't look too bad" $ do
      expected <- BL.readFile "cue-sheet-samples/rendered0.cue"
      cueSheet <- testCueSheet
      renderCueSheet False cueSheet `shouldBe` expected
    it "produces content that can be correctly parsed back" $
      property $ \csrf cueSheet ->
        parseCueSheet "" (BL.toStrict $ renderCueSheet csrf cueSheet)
          `shouldBe` Right cueSheet

-- | A manually constructed testing CUE sheet.

testCueSheet :: MonadThrow m => m CueSheet
testCueSheet = do
  mcn        <- mkMcn "1112223334445"
  performer  <- mkCueText "The Famous Foobar"
  title      <- mkCueText "Bobla Fett"
  songwriter <- mkCueText "Paul"
  isrc       <- mkIsrc    "agree1234567"
  pregap     <- fromMmSsFf 1 0 13
  index      <- fromMmSsFf 0 0 15
  postgap    <- fromMmSsFf 0 8 9
  return CueSheet
    { cueCatalog    = Just mcn
    , cueCdTextFile = Just "/home/mark/mycdtextfile.txt"
    , cuePerformer  = Just performer
    , cueTitle      = Just title
    , cueSongwriter = Just songwriter
    , cueFirstTrackNumber = 1
    , cueFiles      = NE.fromList
      [ CueFile
        { cueFileName   = "the-famous-foobar-cd1.flac"
        , cueFileType   = Wave
        , cueFileTracks = NE.fromList
          [ CueTrack
            { cueTrackDigitalCopyPermitted = False
            , cueTrackFourChannelAudio     = False
            , cueTrackPreemphasisEnabled   = True
            , cueTrackSerialCopyManagement = True
            , cueTrackType                 = CueTrackAudio
            , cueTrackIsrc                 = Just isrc
            , cueTrackTitle                = Just title
            , cueTrackPerformer            = Just performer
            , cueTrackSongwriter           = Nothing
            , cueTrackPregap               = Nothing
            , cueTrackPregapIndex          = Nothing
            , cueTrackIndices              = index :| []
            , cueTrackPostgap              = Nothing }
          , CueTrack
            { cueTrackDigitalCopyPermitted = True
            , cueTrackFourChannelAudio     = True
            , cueTrackPreemphasisEnabled   = False
            , cueTrackSerialCopyManagement = False
            , cueTrackType                 = CueTrackCdg
            , cueTrackIsrc                 = Just isrc
            , cueTrackTitle                = Just title
            , cueTrackPerformer            = Just performer
            , cueTrackSongwriter           = Nothing
            , cueTrackPregap               = Just pregap
            , cueTrackPregapIndex          = Nothing
            , cueTrackIndices              = index :| []
            , cueTrackPostgap              = Just postgap } ] }
      , CueFile
        { cueFileName   = "the-famous-foobar-cd2.mp3"
        , cueFileType   = MP3
        , cueFileTracks = NE.fromList
          [ CueTrack
            { cueTrackDigitalCopyPermitted = False
            , cueTrackFourChannelAudio     = False
            , cueTrackPreemphasisEnabled   = False
            , cueTrackSerialCopyManagement = False
            , cueTrackType                 = CueTrackMode1_2048
            , cueTrackIsrc                 = Just isrc
            , cueTrackTitle                = Just title
            , cueTrackPerformer            = Just performer
            , cueTrackSongwriter           = Nothing
            , cueTrackPregap               = Nothing
            , cueTrackPregapIndex          = Nothing
            , cueTrackIndices              = index :| []
            , cueTrackPostgap              = Nothing }
          , CueTrack
            { cueTrackDigitalCopyPermitted = True
            , cueTrackFourChannelAudio     = True
            , cueTrackPreemphasisEnabled   = True
            , cueTrackSerialCopyManagement = True
            , cueTrackType                 = CueTrackMode2_2336
            , cueTrackIsrc                 = Just isrc
            , cueTrackTitle                = Just title
            , cueTrackPerformer            = Just performer
            , cueTrackSongwriter           = Nothing
            , cueTrackPregap               = Nothing
            , cueTrackPregapIndex          = Nothing
            , cueTrackIndices              = index :| []
            , cueTrackPostgap              = Nothing } ] }
      ]
    }