%% Copyright (c) 2012-2020,  DNSimple Corporation
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

%% @doc Convenience API to start erl-dns directly.
-module(erldns).

-include("erldns.hrl").

-export([start/0]).
-export([normalize_name/1]).

-export_type([keyset/0,
              zone/0]).

-type keyset() :: #keyset{}.
-type zone() :: #zone{}.

-spec start() -> any().
start() ->
    application:ensure_all_started(erldns).

%% @doc Converts a domain name to lower case.
normalize_name(Name) when is_list(Name) ->
    string:to_lower(Name);
normalize_name(Name) when is_binary(Name) ->
    list_to_binary(string:to_lower(binary_to_list(Name))).