{ lib, stdenv, fetchurl
, vala, intltool, pkg-config
, libkkc, ibus, skkDictionaries
, gtk3
}:

stdenv.mkDerivation rec {
  pname = "ibus-kkc";
  version = "1.5.22";

  src = fetchurl {
    url = "${meta.homepage}/releases/download/v${version}/${pname}-${version}.tar.gz";
    sha256 = "1kj74c9zy9yxkjx7pz96mzqc13cf10yfmlgprr8sfd4ay192bzi2";
  };

  nativeBuildInputs = [
    vala intltool pkg-config
  ];

  buildInputs = [ libkkc ibus gtk3 ];

  postInstall = ''
    ln -s ${skkDictionaries.l}/share/skk $out/share/skk
  '';

  meta = with lib; {
    isIbusEngine = true;
    description  = "libkkc (Japanese Kana Kanji input method) engine for ibus";
    homepage     = "https://github.com/ueno/ibus-kkc";
    license      = licenses.gpl2Plus;
    platforms    = platforms.linux;
    maintainers  = with maintainers; [ vanzef ];
  };
}