-module(testcontainer@internal@image_ref).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/testcontainer/internal/image_ref.gleam").
-export([parse/1]).
-export_type([image_ref/0]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(false).

-type image_ref() :: {image_ref, binary(), binary()}.

-file("src/testcontainer/internal/image_ref.gleam", 18).
?DOC(false).
-spec parse(binary()) -> image_ref().
parse(Raw) ->
    Parts = gleam@string:split(Raw, <<":"/utf8>>),
    case lists:reverse(Parts) of
        [Potential_tag, Name_part | Rest_reversed] ->
            case gleam_stdlib:contains_string(Potential_tag, <<"/"/utf8>>) of
                true ->
                    {image_ref, Raw, <<"latest"/utf8>>};

                false ->
                    case gleam_stdlib:contains_string(Name_part, <<"/"/utf8>>) of
                        true ->
                            Name = gleam@string:join(
                                lists:reverse([Name_part | Rest_reversed]),
                                <<":"/utf8>>
                            ),
                            {image_ref, Name, Potential_tag};

                        false ->
                            Name@1 = gleam@string:join(
                                lists:append(
                                    lists:reverse(Rest_reversed),
                                    [Name_part]
                                ),
                                <<":"/utf8>>
                            ),
                            {image_ref, Name@1, Potential_tag}
                    end
            end;

        _ ->
            {image_ref, Raw, <<"latest"/utf8>>}
    end.