<?php
declare(strict_types=1);
/**
 * SFU stats ingest — POST /api/stats
 * Body: { participant_id, bitrate_kbps, packet_loss }
 * Called periodically by Android client (every 5s) to feed analytics.
 */
require_once dirname(__DIR__, 2) . '/src/bootstrap.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    sfuJsonErr('method not allowed', 405);
}

sfuRequireAuth();
$input = json_decode(file_get_contents('php://input'), true) ?? [];

$pid  = (int)   ($input['participant_id'] ?? 0);
$bw   = (float) ($input['bitrate_kbps']  ?? 0.0);
$pl   = (float) ($input['packet_loss']   ?? 0.0);

if ($pid <= 0) { sfuJsonErr('participant_id required'); }

$repo = new \AndroidCast\Sfu\SfuRoomRepository(sfuPdo());
$repo->recordStats($pid, $bw, $pl);
sfuJsonOk(['recorded' => true]);