{ lib, ... }:

let
  userOptions = with lib; { config, ... }: {
    options.email = mkOption {
      type = types.nullOr types.str;
      description = "Email address of the user.";
    };

    options.fullName = mkOption {
      type = types.nullOr types.str;
      description = "Full name of the user.";
    };

    options.wallpaper = mkOption {
      type = types.path;
      description = "Path to the user's wallpaper.";
    };

    options.base16Scheme = mkOption {
      type = types.path;
      description = "Base16 scheme to use for the user's color palette.";
    };
  };
in
{
  options = with lib; with types; {
    users.users = mkOption {
      type = attrsOf (submodule userOptions);
    };
  };
}