-module(docs).
-compile([no_auto_import, nowarn_unused_vars]).

-export([main/0]).

-spec mist_response(
    gleam@http@response:response(gleam@bit_builder:bit_builder())
) -> mist@internal@handler:handler_response().
mist_response(Response) ->
    _pipe = Response,
    mist:bit_builder_response(_pipe, erlang:element(4, Response)).

-spec http_service(
    gleam@http@request:request(mist@internal@http:body()),
    fun((gleam@http@request:request(bitstring())) -> gleam@http@response:response(gleam@bit_builder:bit_builder()))
) -> mist@internal@handler:handler_response().
http_service(Req, Router) ->
    _pipe = Req,
    _pipe@1 = mist:read_body(_pipe),
    _pipe@4 = gleam@result:map(_pipe@1, fun(Http_req) -> _pipe@2 = Http_req,
            _pipe@3 = Router(_pipe@2),
            mist_response(_pipe@3) end),
    gleam@result:unwrap(
        _pipe@4,
        begin
            _pipe@5 = gleam@http@response:new(500),
            mist:empty_response(_pipe@5)
        end
    ).

-spec load_port() -> integer().
load_port() ->
    _pipe = gleam_erlang_ffi:get_env(<<"PORT"/utf8>>),
    _pipe@1 = gleam@result:then(_pipe, fun gleam@int:parse/1),
    gleam@result:unwrap(_pipe@1, 3000).

-spec main() -> nil.
main() ->
    sprocket_ffi:configure_logger_backend(),
    Port = load_port(),
    Ca = sprocket@cassette:start(),
    Router = docs@routes:stack({app_context, Ca}),
    _assert_subject = mist:serve(
        Port,
        mist:handler_func(
            fun(Req) ->
                case {erlang:element(2, Req),
                    gleam@http@request:path_segments(Req)} of
                    {get, [<<"live"/utf8>>]} ->
                        sprocket@cassette:live_service(Req, Ca);

                    {_, _} ->
                        http_service(Req, Router)
                end
            end
        )
    ),
    {ok, _} = case _assert_subject of
        {ok, _} -> _assert_subject;
        _assert_fail ->
            erlang:error(#{gleam_error => assert,
                        message => <<"Assertion pattern match failed"/utf8>>,
                        value => _assert_fail,
                        module => <<"docs"/utf8>>,
                        function => <<"main"/utf8>>,
                        line => 24})
    end,
    _pipe = gleam@string:concat(
        [<<"Listening on localhost:"/utf8>>,
            gleam@int:to_string(Port),
            <<" ✨"/utf8>>]
    ),
    docs@utils@logger:info(_pipe),
    gleam_erlang_ffi:sleep_forever().