-module(websockets).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([create_websockets_builder/2]).
-export_type([msg/0]).

-type msg() :: close | {message, binary()}.

-spec create_websockets_builder(
    gleam@http@request:request(binary()),
    fun(() -> {LQK, gleam@option:option(gleam@erlang@process:selector(msg()))})
) -> stratus:builder(LQK, msg()).
create_websockets_builder(Req, Initializer) ->
    _pipe = stratus:websocket(
        Req,
        Initializer,
        fun(Msg, State, Conn) -> case Msg of
                {text, Msg@1} ->
                    gleam@io:println(<<"Received message "/utf8, Msg@1/binary>>),
                    gleam@otp@actor:continue(State);

                {user, {message, Msg@2}} ->
                    gleam@io:debug({<<"Sent message"/utf8>>, Msg@2}),
                    _assert_subject = stratus:send_text_message(Conn, Msg@2),
                    {ok, _} = case _assert_subject of
                        {ok, _} -> _assert_subject;
                        _assert_fail ->
                            erlang:error(#{gleam_error => let_assert,
                                        message => <<"Assertion pattern match failed"/utf8>>,
                                        value => _assert_fail,
                                        module => <<"websockets"/utf8>>,
                                        function => <<"create_websockets_builder"/utf8>>,
                                        line => 29})
                    end,
                    gleam@otp@actor:continue(State);

                {binary, _} ->
                    gleam@io:debug(<<"Received binary message"/utf8>>),
                    gleam@otp@actor:continue(State);

                {user, close} ->
                    gleam@io:debug(<<"Close message sent"/utf8>>),
                    _assert_subject@1 = stratus:close(Conn),
                    {ok, _} = case _assert_subject@1 of
                        {ok, _} -> _assert_subject@1;
                        _assert_fail@1 ->
                            erlang:error(#{gleam_error => let_assert,
                                        message => <<"Assertion pattern match failed"/utf8>>,
                                        value => _assert_fail@1,
                                        module => <<"websockets"/utf8>>,
                                        function => <<"create_websockets_builder"/utf8>>,
                                        line => 39})
                    end,
                    {stop, normal}
            end end
    ),
    stratus:on_close(
        _pipe,
        fun(_) -> gleam@io:println(<<"Closing Connection!"/utf8>>) end
    ).