-module(blah@utils).
-compile(no_auto_import).

-export([get_random_item/1, join/2]).

-spec get_random_item(list(EKZ)) -> EKZ.
get_random_item(Given_list) ->
    Max_index = gleam@list:length(Given_list),
    Index = gleam@int:random(0, Max_index),
    {ok, Item@1} = case gleam@list:at(Given_list, Index) of
        {ok, Item} -> {ok, Item};
        _try ->
            erlang:error(#{gleam_error => assert,
                           message => <<"Assertion pattern match failed"/utf8>>,
                           value => _try,
                           module => <<"blah/utils"/utf8>>,
                           function => <<"get_random_item"/utf8>>,
                           line => 8})
    end,
    Item@1.

-spec join(list(binary()), binary()) -> binary().
join(Parts, Separator) ->
    case gleam@list:rest(Parts) of
        {ok, Rest} ->
            {ok, First@1} = case gleam@list:first(Parts) of
                {ok, First} -> {ok, First};
                _try ->
                    erlang:error(#{gleam_error => assert,
                                   message => <<"Assertion pattern match failed"/utf8>>,
                                   value => _try,
                                   module => <<"blah/utils"/utf8>>,
                                   function => <<"join"/utf8>>,
                                   line => 15})
            end,
            _pipe@2 = gleam@list:fold(
                Rest,
                gleam@string_builder:from_string(First@1),
                fun(State, Current) ->
                    _pipe = State,
                    _pipe@1 = gleam@string_builder:append(_pipe, Separator),
                    gleam@string_builder:append(_pipe@1, Current)
                end
            ),
            gleam@string_builder:to_string(_pipe@2);

        {error, nil} ->
            <<""/utf8>>
    end.