<?php
/**
 * API Usage Example / SDK für Entwickler
 * Demonstriert den asynchronen Lebenszyklus der Speaker Diarization API v2.
 */
define('API_URL', 'http://' . $_SERVER['HTTP_HOST'] . strtok($_SERVER['REQUEST_URI'], '?'));

echo "=== 🎙️ NVIDIA NeMo API Test-Client ===\n\n";
echo "1. Starte Datei-Upload...\n";

$test_file = __DIR__ . '/test_sample.wav';
if (!file_exists($test_file)) file_put_contents($test_file, 'Fake audio data');

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, API_URL . '?action=api_upload');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, ['media' => new CURLFile($test_file, 'audio/wav', 'test_sample.wav')]);
$res = json_decode(curl_exec($ch), true);
curl_close($ch);

$job_id = $res['job_id'] ?? null;
if (!$job_id) die("❌ Upload fehlgeschlagen.\n");
echo "✅ Job-ID erhalten: $job_id\n\n2. Polling gestartet...\n";

while (true) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, API_URL . '?action=api_status&job_id=' . urlencode($job_id));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $status = json_decode(curl_exec($ch), true);
    curl_close($ch);
    
    $current = $status['status'] ?? 'unknown';
    echo "[" . date('H:i:s') . "] Status: $current\n";
    if ($current === 'completed') break;
    if ($current === 'failed') die("❌ Fehler: " . ($status['error_message'] ?? 'Unknown'));
    sleep(5);
}

echo "\n3. Hole Ergebnisse...\n";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, API_URL . '?action=api_result&job_id=' . urlencode($job_id));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
echo curl_exec($ch);
curl_close($ch);

echo "\n4. Hole Embeddings ab...\n";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, API_URL . '?action=api_embeddings&job_id=' . urlencode($job_id));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$zip_data = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($http_code === 200) {
    file_put_contents(__DIR__ . '/test_embeddings.zip', $zip_data);
    echo "✅ Embeddings als test_embeddings.zip gespeichert.\n";
} else {
    echo "❌ Fehler beim Abruf der Embeddings.\n";
}

if (file_exists($test_file)) unlink($test_file);