<?php
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    exit;
}

$input = json_decode(file_get_contents('php://input'), true);
if (!$input || empty($input['machineId']) || empty($input['timestamp'])) {
    http_response_code(400);
    exit;
}

$logEntry = sprintf(
    "%s | %s | %s\n",
    date('Y-m-d H:i:s'),
    $input['machineId'],
    $input['timestamp']
);

$logFile = __DIR__ . '/../../../../../logs/webuy_usage.log';
file_put_contents($logFile, $logEntry, FILE_APPEND | LOCK_EX);

http_response_code(200);
echo '{"status":"ok"}';
