{ lib, ... }:
{
  options.dendritic.hosts = lib.mkOption {
    type = lib.types.attrsOf (
      lib.types.submodule (
        { name, ... }:
        {
          options = {
            name = lib.mkOption {
              type = lib.types.str;
              default = name;
            };

            system = lib.mkOption {
              type = lib.types.str;
            };

            type = lib.mkOption {
              type = lib.types.enum [
                "laptop"
                "desktop"
                "server"
              ];
            };

            roles = lib.mkOption {
              type = lib.types.listOf lib.types.str;
              default = [ ];
            };

            primaryUser = lib.mkOption {
              type = lib.types.nullOr lib.types.str;
              default = null;
            };

            primaryUserExtraGroups = lib.mkOption {
              type = lib.types.listOf lib.types.str;
              default = [
                "wheel"
                "networkmanager"
              ];
            };

            nixosModules = lib.mkOption {
              type = lib.types.listOf lib.types.deferredModule;
              default = [ ];
            };
          };
        }
      )
    );
    default = { };
  };
}