-module(ewe@internal@decoder).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/ewe/internal/decoder.gleam").
-export([decode_packet/3, decode_method/1]).
-export_type([packet_type/0, abs_path/0, http_packet/0, packet/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 packet_type() :: http_bin | httph_bin.

-type abs_path() :: {abs_path, bitstring()}.

-type http_packet() :: {http_request,
        gleam@erlang@atom:atom_(),
        abs_path(),
        {integer(), integer()}} |
    {http_header,
        integer(),
        gleam@erlang@atom:atom_(),
        bitstring(),
        bitstring()} |
    http_eoh.

-type packet() :: {packet, http_packet(), bitstring()} |
    {more, gleam@option:option(integer())}.

-file("src/ewe/internal/decoder.gleam", 35).
?DOC(false).
-spec decode_packet(packet_type(), bitstring(), list(any())) -> {ok, packet()} |
    {error, gleam@dynamic:dynamic_()}.
decode_packet(Type_, Packet, Options) ->
    ewe_ffi:decode_packet(Type_, Packet, Options).

-file("src/ewe/internal/decoder.gleam", 41).
?DOC(false).
-spec decode_method(gleam@erlang@atom:atom_()) -> {ok, gleam@http:method()} |
    {error, nil}.
decode_method(Method) ->
    Get = erlang:binary_to_atom(<<"GET"/utf8>>),
    Post = erlang:binary_to_atom(<<"POST"/utf8>>),
    Head = erlang:binary_to_atom(<<"HEAD"/utf8>>),
    Put = erlang:binary_to_atom(<<"PUT"/utf8>>),
    Delete = erlang:binary_to_atom(<<"DELETE"/utf8>>),
    Trace = erlang:binary_to_atom(<<"TRACE"/utf8>>),
    Connect = erlang:binary_to_atom(<<"CONNECT"/utf8>>),
    Options = erlang:binary_to_atom(<<"OPTIONS"/utf8>>),
    Patch = erlang:binary_to_atom(<<"PATCH"/utf8>>),
    case Method of
        _ when Method =:= Get ->
            {ok, get};

        _ when Method =:= Post ->
            {ok, post};

        _ when Method =:= Head ->
            {ok, head};

        _ when Method =:= Put ->
            {ok, put};

        _ when Method =:= Delete ->
            {ok, delete};

        _ when Method =:= Trace ->
            {ok, trace};

        _ when Method =:= Connect ->
            {ok, connect};

        _ when Method =:= Options ->
            {ok, options};

        _ when Method =:= Patch ->
            {ok, patch};

        _ ->
            {error, nil}
    end.