{ config, pkgs, lib, ... }:
with lib;
let
  fontModule = types.submodule ({ name, config, ... }: {
    options = {
      family = mkOption {
        type = types.str;
        example = "Fira Code";
        description = "Font family.";
      };
      name = mkOption {
        type = types.str;
        description = "Full Pango font name. Read-only.";
        readOnly = true;
      };
    };

    config.name = "this is set from ${config.family}";
  });
in {
  options.theming = {
    enable = mkEnableOption "Enable centralized theming config that universally works on all environments.";
    fonts.sans = mkOption {
      type = fontModule;
    };
  };
}