{ stdenv, mkDerivation, fetchFromGitHub, fetchpatch, boost, cmake, chromaprint, gettext, gst_all_1, liblastfm
, qtbase, qtx11extras
, taglib, fftw, glew, qjson, sqlite, libgpod, libplist, usbmuxd, libmtp
, libpulseaudio, gvfs, libcdio, libechonest, libspotify, pcre, projectm, protobuf
, qca2, pkgconfig, sparsehash, config, makeWrapper, gst_plugins }:

let
  withIpod = config.clementine.ipod or false;
  withMTP = config.clementine.mtp or true;
  withCD = config.clementine.cd or true;
  withCloud = config.clementine.cloud or true;

  # On the update after all 1.4rc, qt5.15 will be supported.
  version = "1.4.0rc1";

  src = fetchFromGitHub {
    owner = "clementine-player";
    repo = "Clementine";
    rev = version;
    sha256 = "1rqk0hrsn8f8bjk0j0vq1af0ygy6xx7qi9fw0jjw2cmj6kzckyi2";
  };

  patches = [
    ./clementine-spotify-blob.patch
  ];

  nativeBuildInputs = [ cmake pkgconfig ];

  buildInputs = [
    boost
    chromaprint
    fftw
    gettext
    glew
    gst_all_1.gst-plugins-base
    gst_all_1.gstreamer
    gvfs
    libechonest
    liblastfm
    libpulseaudio
    pcre
    projectm
    protobuf
    qca2
    qjson
    qtbase
    qtx11extras
    sqlite
    taglib
  ]
  ++ stdenv.lib.optionals (withIpod) [libgpod libplist usbmuxd]
  ++ stdenv.lib.optionals (withMTP) [libmtp]
  ++ stdenv.lib.optionals (withCD) [libcdio]
  ++ stdenv.lib.optionals (withCloud) [sparsehash];

  postPatch = ''
    sed -i src/CMakeLists.txt \
      -e 's,-Werror,,g' \
      -e 's,-Wno-unknown-warning-option,,g' \
      -e 's,-Wno-unused-private-field,,g'
    sed -i CMakeLists.txt \
      -e 's,libprotobuf.a,protobuf,g'
  '';

  free = mkDerivation {
    pname = "clementine-free";
    inherit version;
    inherit src patches nativeBuildInputs postPatch;

    # gst_plugins needed for setup-hooks
    buildInputs = buildInputs ++ [ makeWrapper ] ++ gst_plugins;

    preConfigure = ''
      rm -rf ext/{,lib}clementine-spotifyblob
    '';

    cmakeFlags = [
      "-DUSE_SYSTEM_PROJECTM=ON"
      "-DSPOTIFY_BLOB=OFF"
    ];

    enableParallelBuilding = true;

    passthru.unfree = unfree;

    postInstall = ''
      wrapProgram $out/bin/clementine \
        --prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "$GST_PLUGIN_SYSTEM_PATH_1_0"
    '';

    meta = with stdenv.lib; {
      homepage = "https://www.clementine-player.org";
      description = "A multiplatform music player";
      license = licenses.gpl3Plus;
      platforms = platforms.linux;
      maintainers = [ maintainers.ttuegel ];
    };
  };

  # Unfree Spotify blob for Clementine
  unfree = mkDerivation {
    pname = "clementine-blob";
    inherit version;
    # Use the same patches and sources as Clementine
    inherit src nativeBuildInputs patches postPatch;

    buildInputs = buildInputs ++ [ libspotify makeWrapper ];
    # Only build and install the Spotify blob
    preBuild = ''
      cd ext/clementine-spotifyblob
    '';
    postInstall = ''
      mkdir -p $out/libexec/clementine
      mv $out/bin/clementine-spotifyblob $out/libexec/clementine
      rmdir $out/bin

      makeWrapper ${free}/bin/clementine $out/bin/clementine \
        --set CLEMENTINE_SPOTIFYBLOB $out/libexec/clementine

      mkdir -p $out/share
      for dir in applications icons kde4; do
        ln -s "${free}/share/$dir" "$out/share/$dir"
      done
    '';
    enableParallelBuilding = true;
    meta = with stdenv.lib; {
      homepage = "https://www.clementine-player.org";
      description = "Spotify integration for Clementine";
      # The blob itself is Apache-licensed, although libspotify is unfree.
      license = licenses.asl20;
      platforms = platforms.linux;
      maintainers = [ maintainers.ttuegel ];
    };
  };

in free