{ lib, ... }:
let
  inherit (lib) mkOption types;

  syncType = types.submodule (
    { ... }: {
      options = {
        dirName = mkOption {
          type = types.str;
          description = "The name of the directory to sync the remote files to.";
        };

        cacheDuration = mkOption {
          type = types.nullOr types.str;
          description = "The amount of time to keep cached files.";
          default = null;
        };
      };
    });
in {
  options = {
    valhalla.linux.users = mkOption {
      type = types.attrsOf (types.submodule (
        { ... }: {
          options = {
            programs.rclone = {
              configurations = mkOption {
                type = types.attrsOf syncType;
                description = "The configurations of the rclone mounts.";
                default = { };
              };
            };
          };
        }));
    };
  };
}