{ lib, config, ... }:

with lib;
let
  cfg = config.modules.desktop.dunst;
in {
  options.modules.desktop.dunst = {
    enable = mkEnableOption "Enable dunst, a lightweight replacement for the notification daemons provided by most desktop environments";
  };

  config = mkIf cfg.enable {
    hm.services.dunst = {
      enable = true;

      settings = let
        inherit (config.modules.desktop.themes) rounding padding;
      in with config.scheme.withHashtag; {
        global = {
          follow = "mouse";
          width = 300;
          height = 145;
          frame_color = "${base02}";

          origin = "top-right";
          # various non-color theming settings
          offset = let offset = builtins.toString (padding * 2); in "${offset}x${offset}";
          padding = padding;
          horizontal_padding = padding;
          text_icon_padding = padding;
          corner_radius = rounding;
          gap_size = 0;
          frame_width = 1;

          icon_position = "left";

          progress_bar = true;
          progress_bar_frame_width = 1;
          progress_bar_corner_radius = rounding;

          alignment = "left";
          markup = "full";
          format = "<b>%a</b>\\n<b>%s</b>\\n%b";
          font = with config.modules.desktop.fonts.fonts; "${sansSerif.family} ${toString sansSerif.size}";

          mouse_left_click = "do_action, close_current";
          mouse_middle_click = "close_all";
          mouse_right_click = "close_current";

          # sorting and history settings
          sort = "update";
          indicate_hidden = "yes";
          notification_limit = 5;
          idle_threshold = 120;
          history_length = 20;
          show_age_threshold = 60;
          show_indicators = "yes";
          sticky_history = "yes";
        };

        urgency_low = {
          background = "${base00}FF";
          foreground = "${base05}";
        };

        urgency_normal = {
          background = "${base00}FF";
          foreground = "${base05}";
        };

        urgency_critical = {
          background = "${base00}FF";
          foreground = "${base05}";
          frame_color = "${base08}"; # base16 spec says red
        };
      };
    };
  };
}