{ cairo
, cmake
, fetchFromGitHub
, libXdmcp
, libpthreadstubs
, libxcb
, pcre
, pkg-config
, python3
, python3Packages # sphinx-build
, lib
, stdenv
, xcbproto
, xcbutil
, xcbutilcursor
, xcbutilimage
, xcbutilrenderutil
, xcbutilwm
, xcbutilxrm
, makeWrapper
, removeReferencesTo
, alsa-lib
, curl
, libmpdclient
, libpulseaudio
, wirelesstools
, libnl
, i3
, i3-gaps
, jsoncpp

# override the variables ending in 'Support' to enable or disable modules
, alsaSupport   ? true
, githubSupport ? false
, mpdSupport    ? false
, pulseSupport  ? false
, iwSupport     ? false
, nlSupport     ? true
, i3Support     ? false
, i3GapsSupport ? false
}:

stdenv.mkDerivation rec {
    pname = "polybar";
    version = "3.5.6";

    src = fetchFromGitHub {
      owner = pname;
      repo = pname;
      rev = version;
      sha256 = "sha256-Uvj9V2M/uQxyziTx1hecrcaQZECijlpVmWcUeT+PqrI=";
      fetchSubmodules = true;
    };

    nativeBuildInputs = [
      cmake
      pkg-config
      python3Packages.sphinx
      removeReferencesTo
    ]
    ++ lib.optional (i3Support || i3GapsSupport) makeWrapper;

    buildInputs = [
      cairo
      libXdmcp
      libpthreadstubs
      libxcb
      pcre
      python3
      xcbproto
      xcbutil
      xcbutilcursor
      xcbutilimage
      xcbutilrenderutil
      xcbutilwm
      xcbutilxrm
    ]
    ++ lib.optional alsaSupport alsa-lib
    ++ lib.optional githubSupport curl
    ++ lib.optional mpdSupport libmpdclient
    ++ lib.optional pulseSupport libpulseaudio
    ++ lib.optional iwSupport wirelesstools
    ++ lib.optional nlSupport libnl
    ++ lib.optional (i3Support || i3GapsSupport) jsoncpp
    ++ lib.optional i3Support i3
    ++ lib.optional i3GapsSupport i3-gaps;

    postInstall = if i3Support
                  then ''wrapProgram $out/bin/polybar \
                           --prefix PATH : "${i3}/bin"
                       ''
                  else if i3GapsSupport
                  then ''wrapProgram $out/bin/polybar \
                           --prefix PATH : "${i3-gaps}/bin"
                       ''
                  else '''';

    postFixup = ''
        remove-references-to -t ${stdenv.cc} $out/bin/polybar
    '';

    meta = with lib; {
      homepage = "https://polybar.github.io/";
      changelog = "https://github.com/polybar/polybar/releases/tag/${version}";
      description = "A fast and easy-to-use tool for creating status bars";
      longDescription = ''
        Polybar aims to help users build beautiful and highly customizable
        status bars for their desktop environment, without the need of
        having a black belt in shell scripting.
      '';
      license = licenses.mit;
      maintainers = with maintainers; [ afldcr Br1ght0ne fortuneteller2k ];
      platforms = platforms.linux;
    };
}