{ config, lib, ... }:
let
  inherit (lib) mkOption mkMerge mkIf mkEnableOption types;
  cfg = config.base16-theme;
  cnotation = builtins.replaceStrings [ "#" ] [ "0x" ];
  color = default:
    mkOption {
      inherit default;
      type = types.str;
    };
  alpha = clr: a: "${clr}${a}";
in {
  options.base16-theme = {
    enable = mkEnableOption "Enable base16 theme systemwide";
    base00 = color "#2E3440"; # polar night
    base01 = color "#3B4252"; # polar night
    base02 = color "#434C5E"; # polar night
    base03 = color "#4C566A"; # polar night
    base04 = color "#D8DEE9"; # snow storm
    base05 = color "#E5E9F0"; # snow storm
    base06 = color "#ECEFF4"; # snow storm
    base07 = color "#8FBCBB"; # frost
    base08 = color "#88C0D0"; # frost
    base09 = color "#81A1C1"; # frost
    base0A = color "#5E81AC"; # frost
    base0B = color "#BF616A"; # aurora
    base0C = color "#D08770"; # aurora
    base0D = color "#EBCB8B"; # aurora
    base0E = color "#A3BE8C"; # aurora
    base0F = color "#B48EAD"; # aurora
  };

  config = mkIf cfg.enable (mkMerge [({
    wayland.windowManager.sway.config.colors = rec {
      focused = {
        border = cfg.base0A;
        background = cfg.base0A;
        text = cfg.base06;
        indicator = cfg.base0A;
        childBorder = cfg.base0A;
      };

      focusedInactive = {
        border = cfg.base00;
        background = cfg.base00;
        text = cfg.base07;
        indicator = cfg.base00;
        childBorder = cfg.base00;
      };

      unfocused = focusedInactive;

      urgent = {
        border = cfg.base0B;
        background = cfg.base0B;
        text = cfg.base05;
        indicator = cfg.base0B;
        childBorder = cfg.base0B;
      };
    };
  })]);
}