-module(glitch@event_sub@subscription).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([name_to_string/1, name_from_string/1, version_to_string/1, version_from_string/1]).
-export_type([subscription/0, name/0, invalid_name/0, condition/0, version/0, invalid_version/0]).

-type subscription() :: {subscription, name(), version(), condition()}.

-type name() :: {user, glitch@event_sub@subscription@user:user()}.

-type invalid_name() :: {invalid_user,
        glitch@event_sub@subscription@user:invalid_user_subscription()}.

-type condition() :: condition.

-type version() :: {int, integer()} | beta.

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

-spec name_to_string(name()) -> binary().
name_to_string(Name) ->
    case Name of
        {user, User} ->
            glitch@event_sub@subscription@user:to_string(User)
    end.

-spec name_from_string(binary()) -> {ok, name()} | {error, invalid_name()}.
name_from_string(Str) ->
    _pipe = Str,
    _pipe@1 = glitch@event_sub@subscription@user:from_string(_pipe),
    _pipe@2 = gleam@result:map(_pipe@1, fun(Field@0) -> {user, Field@0} end),
    gleam@result:map_error(_pipe@2, fun(Field@0) -> {invalid_user, Field@0} end).

-spec version_to_string(version()) -> binary().
version_to_string(Version) ->
    case Version of
        {int, Version@1} ->
            gleam@int:to_string(Version@1);

        beta ->
            <<"beta"/utf8>>
    end.

-spec version_from_string(binary()) -> {ok, version()} |
    {error, invalid_version()}.
version_from_string(Str) ->
    case Str of
        <<"beta"/utf8>> ->
            {ok, beta};

        _ ->
            _pipe = Str,
            _pipe@1 = gleam@int:parse(_pipe),
            _pipe@2 = gleam@result:map(
                _pipe@1,
                fun(Field@0) -> {int, Field@0} end
            ),
            gleam@result:replace_error(_pipe@2, {invalid_version, Str})
    end.