<?php
/**
 * &#128640; 终极代理分配系统 (10窗口 + 德国随机IP + 机房拦截)
 * 适配：比特浏览器 (BitBrowser)
 */

// ======================================
// &#9881;&#65039; 1. 核心配置区 (请在此修改你的参数)
// ======================================
$nm_key   = "你的NodeMaven_API密钥"; // &#128477;&#65039; 必填：NodeMaven后台获取的密钥
$country  = "DE";                   // &#127465;&#127466; 固定：德国
$today_w  = date('w');              // &#128197; 获取今天星期几 (0=周日, 1-6=周一至周六)
$today_d  = date('Y-m-d');          // &#128198; 获取今天日期

// --- 10个窗口的【每日配额】设定 (0=关闭) ---
$week_limits = [
    1 => [1=>180, 2=>160, 3=>190, 4=>150, 5=>140, 6=>130, 0=>120], // 窗口1
    2 => [1=>180, 2=>160, 3=>190, 4=>150, 5=>140, 6=>130, 0=>120], // 窗口2
    3 => [1=>100, 2=>100, 3=>100, 4=>100, 5=>100, 6=>100, 0=>100], // 窗口3
    4 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口4
    5 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口5
    6 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口6
    7 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口7
    8 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口8
    9 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口9
   10 => [1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0, 0=>0],               // 窗口10
];

// --- 10个窗口的【任务链接】设定 ---
$task_urls = [
    1 => "https://your-offer-1.com",
    2 => "https://your-offer-2.com",
    3 => "https://your-offer-3.com",
    4 => "https://your-offer-4.com",
    5 => "https://your-offer-5.com",
    6 => "https://your-offer-6.com",
    7 => "https://your-offer-7.com",
    8 => "https://your-offer-8.com",
    9 => "https://your-offer-9.com",
   10 => "https://your-offer-10.com",
];

// ======================================
// &#128736;&#65039; 2. 系统逻辑区 (非专业人士请勿修改)
// ======================================

// 获取窗口 ID (?id=x)
$win_id = isset($_GET['id']) ? intval($_GET['id']) : 0;
if ($win_id < 1 || $win_id > 10) {
    exit("ERROR: Invalid Window ID. Use ?id=1 to ?id=10");
}

// 检查配额与日志
$log_file = __DIR__ . "/count_win_{$win_id}.json";
$log_data = file_exists($log_file) ? json_decode(file_get_contents($log_file), true) : ['date'=>'','count'=>0];

if ($log_data['date'] !== $today_d) {
    $log_data = ['date' => $today_d, 'count' => 0]; // 跨天重置
}

$max_limit = $week_limits[$win_id][$today_w] ?? 0;
if ($log_data['count'] >= $max_limit) {
    exit("LIMIT: Window {$win_id} reached daily quota ({$max_limit})");
}

// 请求 NodeMaven API (加入 session 参数实现强制随机 IP)
$session_id = uniqid('de_');
$api_url = "https://api.nodemaven.com/proxy/get?key={$nm_key}&country={$country}&protocol=socks5&count=1&session={$session_id}";

$res = @file_get_contents($api_url);
$data = json_decode($res, true);

if (!isset($data['data'][0])) {
    exit("ERROR: Failed to fetch proxy from NodeMaven");
}

$proxy = $data['data'][0]['proxy'];
$isp   = strtolower($data['data'][0]['isp'] ?? '');

// &#128721; 核心拦截：机房/数据中心关键词过滤
$bad_kws = [
    'host', 'data', 'server', 'node', 'cloud', 'vps', 'dedicated',
    'aws', 'amazon', 'google', 'azure', 'ovh', 'digitalocean', 
    'vultr', 'linode', 'leaseweb', 'hetzner', 'choopa', 'm247'
];

foreach ($bad_kws as $kw) {
    if (str_contains($isp, $kw)) {
        // 如果是机房IP，不计数，直接提示让浏览器重试
        exit("BLOCKED: Datacenter IP detected ({$isp}). Please refresh.");
    }
}

// 记录成功提取并保存
$log_data['count']++;
file_put_contents($log_file, json_encode($log_data));

// ======================================
// &#128228; 3. 最终输出 (对接比特浏览器)
// ======================================
echo $proxy . '|' . $task_urls[$win_id];
?>