starlet

-module(examples@anthropic_chat).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/examples/anthropic_chat.gleam").
-export([main/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).

-file("src/examples/anthropic_chat.gleam", 17).
?DOC(false).
-spec run_example(binary()) -> nil.
run_example(Api_key) ->
    Client = starlet@anthropic:new(Api_key),
    Result = begin
        Msg1 = <<"What is the capital of France?"/utf8>>,
        Msg2 = <<"What is its population?"/utf8>>,
        Chat = begin
            _pipe = starlet:chat(Client, <<"claude-haiku-4-5-20251001"/utf8>>),
            _pipe@1 = starlet:system(
                _pipe,
                <<"You are a helpful assistant. Be concise."/utf8>>
            ),
            starlet:user(_pipe@1, Msg1)
        end,
        gleam@result:'try'(
            starlet:send(Chat),
            fun(_use0) ->
                {Chat@1, Turn} = _use0,
                gleam_stdlib:println(<<"User: "/utf8, Msg1/binary>>),
                gleam_stdlib:println(
                    <<"Claude: "/utf8, (starlet:text(Turn))/binary>>
                ),
                gleam_stdlib:println(<<""/utf8>>),
                Chat@2 = starlet:user(Chat@1, Msg2),
                gleam@result:'try'(
                    starlet:send(Chat@2),
                    fun(_use0@1) ->
                        {_, Turn@1} = _use0@1,
                        gleam_stdlib:println(<<"User: "/utf8, Msg2/binary>>),
                        gleam_stdlib:println(
                            <<"Claude: "/utf8, (starlet:text(Turn@1))/binary>>
                        ),
                        {ok, nil}
                    end
                )
            end
        )
    end,
    case Result of
        {ok, _} ->
            nil;

        {error, Err} ->
            gleam_stdlib:println(
                <<"Error: "/utf8, (examples@utils:error_to_string(Err))/binary>>
            )
    end.

-file("src/examples/anthropic_chat.gleam", 8).
?DOC(false).
-spec main() -> nil.
main() ->
    Api_key = begin
        _pipe = envoy_ffi:get(<<"ANTHROPIC_API_KEY"/utf8>>),
        gleam@result:unwrap(_pipe, <<""/utf8>>)
    end,
    case Api_key of
        <<""/utf8>> ->
            gleam_stdlib:println(
                <<"Error: ANTHROPIC_API_KEY environment variable not set"/utf8>>
            );

        _ ->
            run_example(Api_key)
    end.