<?php
/**
 * Regional Bug Tracking Endpoint
 * Replaces: regionalbug.cfm
 *
 * Tracks regional show views via advertiser pixel.
 * Accepts id1–id6 params (show IDs > 1122051) and queues them
 * as regionalstats events for the cron processor.
 */

require_once __DIR__ . '/config.php';
require_once __DIR__ . '/PixelResponse.php';
require_once __DIR__ . '/EventBuffer.php';

// --- Bot filter ---
$ua = $_SERVER['HTTP_USER_AGENT'] ?? '';
$bots = ['bot', 'spider', 'slurp', 'msie 6', 'addthis', 'ezautoinsert', 'crawler'];
$uaLower = strtolower($ua);
foreach ($bots as $bot) {
    if (strpos($uaLower, $bot) !== false) {
        PixelResponse::sendPixelAndFlush();
        exit;
    }
}

// --- Require advertiser param ---
$advertiser = $_GET['advertiser'] ?? null;
if ($advertiser === null) {
    PixelResponse::sendPixelAndFlush();
    exit;
}

// --- Send 1x1 GIF and close client connection ---
PixelResponse::sendPixelAndFlush();

// --- Everything below is invisible to the client ---

$today = date('Y-m-d H:i:s');

for ($i = 1; $i <= 6; $i++) {
    $id = filter_input(INPUT_GET, 'id' . $i, FILTER_VALIDATE_INT);
    if ($id !== null && $id !== false && $id > 1122051) {
        EventBuffer::append('regionalstats', [
            'showid' => $id,
            'dater'  => $today,
        ]);
    }
}