-module(tree_weaver_telemetry).
-export([report_usage/2, analyze_trends/1]).

report_usage(ProjectType, Metadata) ->
    case application:get_env(tree_weaver, telemetry_enabled) of
        {ok, true} ->
            spawn(fun() ->
                AnonymizedPayload = anonymize_payload(#{
                    timestamp => os:timestamp(),
                    project_type => ProjectType,
                    os => os:type(),
                    erlang_version => erlang:system_info(otp_release),
                    metadata => Metadata
                }),
                send_telemetry(AnonymizedPayload)
            end);
        _ ->
            ok
    end.

anonymize_payload(Payload) ->
    Payload#{
        os_hash => crypto:hash(sha256, term_to_binary(maps:get(os, Payload))),
        version_hash => crypto:hash(sha256, term_to_binary(maps:get(erlang_version, Payload)))
    }.

% Implement send_telemetry function
send_telemetry(_Payload) ->
    % Placeholder implementation
    ok.

analyze_trends(_Period) ->
    % Placeholder implementation
    {ok, []}.