-module(claude_json_ffi).

-export([json_string_to_raw/1, dynamic_to_json_string/1]).

%% Parse a JSON string and embed it as raw iodata (gleam_json's Json type).
%% gleam_json v3+ already requires OTP 27, so json:decode/encode are available.
%% If parsing fails, encode the original string as a JSON string value so the
%% error is visible downstream (e.g. the API will reject it with a useful message)
%% rather than silently substituting an empty object.
json_string_to_raw(JsonString) ->
    case gleam_json_ffi:decode(JsonString) of
        {ok, Decoded} -> json:encode(Decoded);
        {error, _} -> json:encode(JsonString)
    end.

%% Re-encode an arbitrary Erlang term (from json:decode) back to a JSON string.
dynamic_to_json_string(Term) ->
    iolist_to_binary(json:encode(Term)).