-module(bravo@uset).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([new/3, insert/2, lookup/2, delete/1]).
-export_type([u_set/1]).

-opaque u_set(GIV) :: {u_set, gleam@erlang@atom:atom_(), integer()} |
    {gleam_phantom, GIV}.

-spec new(binary(), integer(), bravo@etc:access()) -> {ok, u_set(any())} |
    {error, gleam@option:option(bravo@error:erlang_error())}.
new(Name, Keypos, Access) ->
    Atom = erlang:binary_to_atom(Name),
    gleam@bool:guard(
        Keypos < 1,
        {error, none},
        fun() ->
            gleam@result:'try'(
                begin
                    _pipe = bravo:try_new(Atom, [set, case Access of
                                public ->
                                    public;

                                protected ->
                                    protected;

                                private ->
                                    private
                            end, named_table, {keypos, Keypos}, {write_concurrency,
                                auto}, {read_concurrency, true}, {decentralized_counters,
                                true}]),
                    gleam@result:map_error(_pipe, fun(E) -> {some, E} end)
                end,
                fun(A) -> {ok, {u_set, A, Keypos}} end
            )
        end
    ).

-spec insert(u_set(GJB), list(GJB)) -> boolean().
insert(Uset, Objects) ->
    bravo:try_insert(erlang:element(2, Uset), erlang:element(3, Uset), Objects).

-spec lookup(u_set(GJE), any()) -> gleam@option:option(GJE).
lookup(Uset, Key) ->
    case bravo:try_lookup(erlang:element(2, Uset), Key) of
        [Res] ->
            {some, Res};

        _ ->
            none
    end.

-spec delete(u_set(any())) -> boolean().
delete(Uset) ->
    bravo:try_delete(erlang:element(2, Uset)).