-module(gopenai@client).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([new/0, endpoint_to_str/1]).
-export_type([client/0, endpoint/0]).

-type client() :: {client, binary(), binary()}.

-type endpoint() :: completions | embeddings.

-spec new() -> client().
new() ->
    Endpoint = <<"https://api.openai.com"/utf8>>,
    dot_env:load(),
    _assert_subject = dot_env_ffi:get_env(<<"OPENAI_API_KEY"/utf8>>),
    {ok, Api_key} = 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 => <<"gopenai/client"/utf8>>,
                        function => <<"new"/utf8>>,
                        line => 11})
    end,
    {client, Endpoint, Api_key}.

-spec endpoint_to_str(endpoint()) -> binary().
endpoint_to_str(Endpoint) ->
    case Endpoint of
        completions ->
            <<"chat/completions"/utf8>>;

        embeddings ->
            <<"embeddings"/utf8>>
    end.