{ stdenv
, fetchFromGitHub
, pkgconfig
, gtk3
, pantheon
, gnome3
, gtksourceview
, libgee
, cmake
, libqalculate
, gobject-introspection
, wrapGAppsHook }:

stdenv.mkDerivation rec {
  name = "nasc-${version}";
  version = "0.5.1";

  src = fetchFromGitHub {
    owner = "parnold-x";
    repo = "nasc";
    rev = version;
    sha256 = "13y5fnm7g3xgdxmdydlgly73nigh8maqbf9d6c9bpyzxkxq1csy5";
  };

  postPatch = ''
    # libqalculatenasc.so is not installed, and nasc fails to start
    substituteInPlace libqalculatenasc/CMakeLists.txt --replace SHARED STATIC
  '';

  nativeBuildInputs = [
    cmake
    pantheon.vala
    gobject-introspection # for setup-hook
    pkgconfig
    wrapGAppsHook
  ];

  buildInputs = [
    pantheon.elementary-icon-theme
    gtksourceview
    libgee
    gnome3.libsoup
    pantheon.granite
    gtk3
    libqalculate
  ];

  meta = with stdenv.lib; {
    description = "Do maths like a normal person";
    longDescription = ''
      It’s an app where you do maths like a normal person. It lets you
      type whatever you want and smartly figures out what is math and
      spits out an answer on the right pane. Then you can plug those
      answers in to future equations and if that answer changes, so does
      the equations it’s used in.
    '';
    homepage = https://github.com/parnold-x/nasc;
    maintainers = with maintainers; [ samdroid-apps ];
    platforms = platforms.linux;
    license = licenses.gpl3Plus;
  };
}