{ stdenv
, fetchurl
, meson
, ninja
, pkgconfig
, SDL2
, alsaLib
, bullet
, check
, curl
, dbus
, doxygen
, expat
, fontconfig
, freetype
, fribidi
, ghostscript
, giflib
, glib
, gst_all_1
, gtk3
, harfbuzz
, hicolor-icon-theme
, ibus
, jbig2dec
, libGL
, libdrm
, libinput
, libjpeg
, libpng
, libpulseaudio
, libraw
, librsvg
, libsndfile
, libspectre
, libtiff
, libwebp
, libxkbcommon
, luajit
, lz4
, mesa
, openjpeg
, openssl
, poppler
, python3Packages
, systemd
, udev
, utillinux
, writeText
, xorg
, zlib
}:

stdenv.mkDerivation rec {
  pname = "efl";
  version = "1.24.2";

  src = fetchurl {
    url = "http://download.enlightenment.org/rel/libs/${pname}/${pname}-${version}.tar.xz";
    sha256 = "0w3srvigg4kfi7xq76c7y4hnq5yr2gxrrsvlyj1g2wc1igz1vyg1";
  };

  nativeBuildInputs = [
    meson
    ninja
    gtk3
    pkgconfig
    check
  ];

  buildInputs = [
    fontconfig
    freetype
    giflib
    glib
    gst_all_1.gst-libav
    gst_all_1.gst-plugins-base
    gst_all_1.gst-plugins-good
    gst_all_1.gstreamer
    ibus
    libGL
    libpng
    libpulseaudio
    libsndfile
    libtiff
    lz4
    mesa
    openssl
    systemd
    udev
    xorg.libX11
    xorg.libXcursor
    xorg.xorgproto
    zlib
    # still missing parent icon themes: Mint-X, RAVE-X, Faenza
  ];

  propagatedBuildInputs = [
    SDL2
    alsaLib
    bullet
    curl
    dbus
    dbus
    doxygen
    expat
    fribidi
    ghostscript
    harfbuzz
    jbig2dec
    libdrm
    libinput
    libjpeg
    libraw
    librsvg
    libspectre
    libwebp
    libxkbcommon
    luajit
    openjpeg
    poppler
    utillinux
    xorg.libXScrnSaver
    xorg.libXcomposite
    xorg.libXdamage
    xorg.libXext
    xorg.libXfixes
    xorg.libXi
    xorg.libXinerama
    xorg.libXrandr
    xorg.libXrender
    xorg.libXtst
    xorg.libxcb
  ];

  dontDropIconThemeCache = true;

  mesonFlags = [
    "--buildtype=release"
    "-D build-tests=false" # disable build tests, which are not working
    "-D drm=true"
    "-D ecore-imf-loaders-disabler=ibus,scim" # ibus is disalbed by default, scim is not availabe in nixpkgs
    "-D embedded-lz4=false"
    "-D fb=true"
    "-D network-backend=connman"
    "-D sdl=true"
  ];

  patches = [ ./efl-elua.patch ];

  postPatch = ''
    patchShebangs src/lib/elementary/config_embed

    # fix destination of systemd unit and dbus service
    substituteInPlace systemd-services/meson.build --replace "dep.get_pkgconfig_variable('systemduserunitdir')" "'$out/systemd/user'"
    substituteInPlace dbus-services/meson.build --replace "dep.get_pkgconfig_variable('session_bus_services_dir')" "'$out/share/dbus-1/services'"
  '';

  # bin/edje_cc creates $HOME/.run, which would break build of reverse dependencies.
  setupHook = writeText "setupHook.sh" ''
    export HOME="$TEMPDIR"
  '';

  preConfigure = ''
    # allow ecore_con to find libcurl.so, which is a runtime dependency (it is dlopened)
    export LD_LIBRARY_PATH="${curl.out}/lib''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"

    source "$setupHook"
  '';

  NIX_CFLAGS_COMPILE = "-DluaL_reg=luaL_Reg"; # needed since luajit-2.1.0-beta3

  postInstall = ''
    # fix use of $out variable
    substituteInPlace "$out/share/elua/core/util.lua" --replace '$out' "$out"

    # add all module include dirs to the Cflags field in efl.pc
    modules=$(for i in "$out/include/"*/; do printf ' -I''${includedir}/'`basename $i`; done)
    substituteInPlace "$out/lib/pkgconfig/efl.pc" \
      --replace 'Cflags: -I''${includedir}/efl-1' \
                'Cflags: -I''${includedir}/eina-1/eina'"$modules"

    # build icon cache
    gtk-update-icon-cache "$out"/share/icons/Enlightenment-X
  '';

  postFixup = ''
    # EFL applications depend on libcurl, which is linked at runtime by hand in code (it is dlopened)
    patchelf --add-needed ${curl.out}/lib/libcurl.so $out/lib/libecore_con.so
  '';

  meta = {
    description = "Enlightenment foundation libraries";
    homepage = "https://enlightenment.org/";
    license = stdenv.lib.licenses.lgpl3;
    platforms = stdenv.lib.platforms.linux;
    maintainers = with stdenv.lib.maintainers; [ matejc tstrobel ftrvxmtrx romildo ];
  };
}