<?php
function wevia_async_llm($prompt, $max_tokens = 150) {
    $redis = new Redis();
    $redis->connect('127.0.0.1', 6379);
    $job_id = uniqid('llm_', true);
    $redis->lPush('wevia:llm:queue', json_encode([
        'id' => $job_id, 'prompt' => $prompt,
        'max_tokens' => $max_tokens, 'timestamp' => microtime(true)
    ]));
    return $job_id;
}

function wevia_async_result($job_id, $timeout = 15) {
    $redis = new Redis();
    $redis->connect('127.0.0.1', 6379);
    $start = time();
    while (time() - $start < $timeout) {
        $result = $redis->get("wevia:llm:results:$job_id");
        if ($result) return json_decode($result, true);
        usleep(100000);
    }
    return null;
}

function wevia_async_blocking($prompt, $max_tokens = 150, $timeout = 15) {
    $job_id = wevia_async_llm($prompt, $max_tokens);
    return wevia_async_result($job_id, $timeout);
}