{ lib, stdenvNoCC, sass, src }:

let
  colors = {
    base00 = "18191f";
    base01 = "17171b";
    base02 = "c9cdd7";
    base03 = "6b7089";
    base04 = "090a10";
    base05 = "c6c8d1";
    base06 = "d0d2db";
    base07 = "27282e";
    base08 = "e27878";
    base09 = "e2a478";
    base0A = "e9b189";
    base0B = "b4be82";
    base0C = "89b8c2";
    base0D = "84a0c6";
    base0E = "a093c7";
    base0F = "a0a0d3";
  };
in
stdenvNoCC.mkDerivation rec {
  pname = "phocus";
  version = "unstable-2021-05-05";

  inherit src;

  patchPhase = with colors; ''
    runHook prePatch
    substituteInPlace scss/gtk-3.0/_colors.scss \
      --replace 16161c ${base01} \
      --replace 232530 ${base00} \
      --replace 2e303e ${base02} \
      --replace e95678 ${base08} \
      --replace f09383 ${base0A} \
      --replace fab795 ${base0A} \
      --replace 29d398 ${base0B} \
      --replace 1eb980 ${base0B} \
      --replace 26bbd9 ${base0D} \
      --replace ee64ae ${base0E} \
      --replace ec6a88 ${base08} \
      --replace fdf0ed ${base05} \
      --replace aabbcc ${base0B} \
      --replace ccbbaa ${base08}
    runHook postPatch
  '';

  nativeBuildInputs = [ sass ];

  installFlags = [ "DESTDIR=$(out)" "PREFIX=" ];

  meta = with lib; {
    description = "phocus with nightlamp (iceberg variant) theme";
    homepage = "https://git.sr.ht/~boppy/phocus";
    license = [ licenses.mit ];
    maintainers = with maintainers; [ boppyt ];
  };
}