-module(gleam_json_ffi).

-export([
    decode/1, json_to_iodata/1, json_to_string/1, int/1, float/1, string/1,
    bool/1, null/0, array/1, object/1
]).

decode(Json) ->
    try
        {ok, json:decode(Json)}
    catch
        error:unexpected_end -> {error, unexpected_end_of_input};
        error:{invalid_byte, Byte} -> {error, {unexpected_byte, hex(Byte)}};
        error:{unexpected_sequence, Byte} -> {error, {unexpected_sequence, Byte}}
    end.

hex(I) ->
    H = list_to_binary(integer_to_list(I, 16)),
    <<"0x"/utf8, H/binary>>.

json_to_iodata(Json) ->
    Json.

json_to_string(Json) when is_binary(Json) ->
    Json;
json_to_string(Json) when is_list(Json) ->
    list_to_binary(Json).

null() -> thoas_encode:null().
int(X) -> thoas_encode:integer(X).
bool(X) -> thoas_encode:boolean(X).
float(X) -> thoas_encode:float(X).
string(X) -> thoas_encode:string(X).
object(X) -> thoas_encode:non_recursive_object(X).
array(X) -> thoas_encode:non_recursive_array(X).