<?php

use IYUU\Library\IFile;
use IYUU\Library\Table;

/**
 * 调试函数
 * @param $data
 * @param bool $echo
 * @return string|null
 */
function p($data, $echo=true)
{
    $str='******************************'."\n";
    // 如果是boolean或者null直接显示文字；否则print
    if (is_bool($data)) {
        $show_data=$data ? 'true' : 'false';
    } elseif (is_null($data)) {
        $show_data='null';
    } else {
        $show_data=print_r($data, true);
    }
    $str.=$show_data;
    $str.="\n".'******************************'."\n";
    if ($echo) {
        echo $str;
        return null;
    }
    return $str;
}

/**
 * 微信推送Server酱
 * @param string $text
 * @param string $desp
 * @return false|string
 */
function sc($text='', $desp='')
{
    global $configALL;
    $token = $configALL['sc.ftqq.com'];
    $desp = ($desp=='')?date("Y-m-d H:i:s") :$desp;
    $postdata = http_build_query(array(
        'text' => $text,
        'desp' => $desp
    ));
    $opts = array('http' =>	array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => $postdata
    ));
    $context  = stream_context_create($opts);
    $result = file_get_contents('http://sc.ftqq.com/'.$token.'.send', false, $context);
    return  $result;
}

/**
 * 微信推送 爱语飞飞
 * @param string $text
 * @param string $desp
 * @return false|string
 */
function ff($text='', $desp='')
{
    global $configALL;
    $token = $configALL['iyuu.cn'];
    $desp = ($desp=='')?date("Y-m-d H:i:s") :$desp;
    $postdata = http_build_query(array(
        'text' => $text,
        'desp' => $desp
    ));
    $opts = array('http' =>	array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => $postdata
    ));
    $context  = stream_context_create($opts);
    $result = file_get_contents('http://iyuu.cn/'.$token.'.send', false, $context);
    return  $result;
}

/**
 * 微信推送 爱语飞飞
 * @param string $site
 * @param array $torrent 种子数组
 * Array
    (
        [id] => 118632
        [h1] => CCTV5+ 2019 ATP Men's Tennis Final 20191115B HDTV 1080i H264-HDSTV
        [title] => 央视体育赛事频道 2019年ATP男子网球年终总决赛 单打小组赛 纳达尔VS西西帕斯 20191115[优惠剩余时间：4时13分]
        [details] => https://xxx.me/details.php?id=118632
        [download] => https://xxx.me/download.php?id=118632
        [filename] => 118632.torrent
        [type] => 0
        [sticky] => 1
        [time] => Array
            (
                [0] => "2019-11-16 20:41:53">4时13分
                [1] => "2019-11-16 14:41:53">1时<br />46分
            )
        [comments] => 0
        [size] => 5232.64MB
        [seeders] => 69
        [leechers] => 10
        [completed] => 93
        [percentage] => 100%
        [owner] => 匿名
    )
 * @return false|string
 */
function send($site = '', $torrent = array())
{
    $br = "\r\n";
    $text = $site. ' 免费：' .$torrent['filename']. '，添加成功';
    $desp = '主标题：'.$torrent['h1'] . $br;

    if (isset($torrent['title'])) {
        $desp .= '副标题：'.$torrent['title']. $br;
    }
    if (isset($torrent['size'])) {
        $desp .= '大小：'.$torrent['size']. $br;
    }
    if (isset($torrent['seeders'])) {
        $desp .= '做种数：'.$torrent['seeders']. $br;
    }
    if (isset($torrent['leechers'])) {
        $desp .= '下载数：'.$torrent['leechers']. $br;
    }
    if (isset($torrent['owner'])) {
        $desp .= '发布者：'.$torrent['owner']. $br;
    }
    return ff($text, $desp);
}

/**
 * @brief 下载种子
 * @param string $url 种子URL
 * @param string $cookies 模拟登陆的cookie
 * @param $useragent
 * @param string $method
 * @return mixed 返回的数据
 */
function download($url, $cookies='', $useragent='', $method = 'GET')
{
    $header = array(
        "Content-Type:application/x-www-form-urlencoded",
        'User-Agent: '.$useragent);
    $ch = curl_init();
    if ($method === 'POST') {
        curl_setopt($ch, CURLOPT_POST, true);
    }
    if (stripos($url, 'https://') === 0) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_SSLVERSION, 1);
    }
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_COOKIE, $cookies);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
    curl_setopt($ch, CURLOPT_TIMEOUT, 600);
    $data = curl_exec($ch);
    $status = curl_getinfo($ch);
    curl_close($ch);
    if (isset($status['http_code']) && $status['http_code'] == 200) {
        return $data;
    }
    if (isset($status['http_code']) && $status['http_code'] == 302) {
        return download($status['redirect_url'], $cookies, $useragent);
    }
    return $data;
}

/**
 * @brief 文件大小格式化为MB
 * @param string $from 文件大小
 * @return int 单位MB
 */
function convertToMB($from)
{
    $number=substr($from, 0, -2);
    switch (strtoupper(substr($from, -2))) {
        case "KB":
            return $number/1024;
        case "MB":
            return $number;
        case "GB":
            return $number*pow(1024, 1);
        case "TB":
            return $number*pow(1024, 2);
        case "PB":
            return $number*pow(1024, 3);
        default:
            return $from;
    }
}

/**
 * 字节数Byte转换为KB、MB、GB、TB
 *
 */
function getFilesize($num)
{
    $p = 0;
    $format='bytes';
    if ($num>0 && $num<1024) {
        $p = 0;
        return number_format($num).' '.$format;
    }
    if ($num>=1024 && $num<pow(1024, 2)) {
        $p = 1;
        $format = 'KB';
    }
    if ($num>=pow(1024, 2) && $num<pow(1024, 3)) {
        $p = 2;
        $format = 'MB';
    }
    if ($num>=pow(1024, 3) && $num<pow(1024, 4)) {
        $p = 3;
        $format = 'GB';
    }
    if ($num>=pow(1024, 4) && $num<pow(1024, 5)) {
        $p = 3;
        $format = 'TB';
    }
    $num /= pow(1024, $p);
    return number_format($num, 2).$format;
}

/**
 * @brief 种子过滤器
 * @param string $site 站点标识
 * @param array  $torrent 种子数组
 * 	Array
    (
        [id] => 118632
        [h1] => CCTV5+ 2019 ATP Men's Tennis Final 20191115B HDTV 1080i H264-HDSTV
        [title] => 央视体育赛事频道 2019年ATP男子网球年终总决赛 单打小组赛 纳达尔VS西西帕斯 20191115[优惠剩余时间：4时13分]
        [details] => https://xxx.me/details.php?id=118632
        [download] => https://xxx.me/download.php?id=118632
        [filename] => 118632.torrent
        [type] => 0
        [sticky] => 1
        [time] => Array
        (
        [0] => "2019-11-16 20:41:53">4时13分
        [1] => "2019-11-16 14:41:53">1时<br />46分
        )
        [comments] => 0
        [size] => 5232.64MB
        [seeders] => 69
        [leechers] => 10
        [completed] => 93
        [percentage] => 100%
        [owner] => 匿名
    )
 * @return bool 或 string 	false不过滤
 */
function filter($site = '', $torrent = array())
{
    global $configALL;
    $config = $configALL[$site];
    $filter = array();
    // 读取配置
    if (isset($configALL['default']['filter']) || isset($config['filter'])) {
        $filter = isset($config['filter']) && $config['filter'] ? $config['filter'] : $configALL['default']['filter'];
    } else {
        return false;
    }
    $filename = $torrent['filename'];

    // 兼容性
    if (empty($torrent['size'])) {
        return false;
    }
    // 大小过滤
    $size = convertToMB($torrent['size']);
    $min = isset($filter['size']['min']) ? convertToMB($filter['size']['min']) : 0;
    $max = isset($filter['size']['max']) ? convertToMB($filter['size']['max']) : 2097152;	//默认 2097152MB = 2TB
    if ($min > $size || $size > $max) {
        return $filename. ' ' .$size. 'MB，被大小过滤';
    }

    // 兼容性
    if (empty($torrent['seeders'])) {
        return false;
    }
    // 种子数过滤
    $seeders = $torrent['seeders'];
    $min = isset($filter['seeders']['min']) ? $filter['seeders']['min'] : 1;	//默认 1
    $max = isset($filter['seeders']['max']) ? $filter['seeders']['max'] : 3;	//默认 3
    if ($min > $seeders || $seeders > $max) {
        return $filename. ' 当前做种' .$seeders. '人，被过滤';
    }

    // 兼容性
    if (empty($torrent['leechers'])) {
        return false;
    }
    // 下载数过滤
    $leechers = $torrent['leechers'];
    $min = isset($filter['leechers']['min']) ? $filter['leechers']['min'] : 0;		//默认
    $max = isset($filter['leechers']['max']) ? $filter['leechers']['max'] : 30000;	//默认
    if ($min > $leechers || $leechers > $max) {
        return $filename. ' 当前下载' .$leechers. '人，被过滤';
    }

    // 兼容性
    if (empty($torrent['completed'])) {
        return false;
    }
    // 完成数过滤
    $completed = $torrent['completed'];
    $min = isset($filter['completed']['min']) ? $filter['completed']['min'] : 0;		//默认
    $max = isset($filter['completed']['max']) ? $filter['completed']['max'] : 30000;	//默认
    if ($min > $completed || $completed > $max) {
        return $filename. ' 已完成数' .$completed. '人，被过滤';
    }

    return false;
}

/**
 * 日志记录函数
 */
function wlog($data='', $name = '', $path = '')
{
    // 数据转换
    if (is_bool($data)) {
        $show_data=$data ? 'true' : 'false';
    } elseif (is_null($data)) {
        $show_data='null';
    } else {
        $show_data=print_r($data, true);
    }
    // 写入日志
    $dir = $path===''? TORRENT_PATH . 'cache' . DS : $path;
    IFile::mkdir($dir);
    $myfile = $dir.$name.'.txt';
    $file_pointer = @fopen($myfile, "a");
    $worldsnum = @fwrite($file_pointer, $show_data);
    @fclose($file_pointer);
    return $worldsnum;
}

//PHP stdClass Object转array
function object_array($array)
{
    if (is_object($array)) {
        $array = (array)$array;
    }
    if (is_array($array)) {
        foreach ($array as $key=>$value) {
            $array[$key] = object_array($value);
        }
    }
    return $array;
}

/**
 * 奇数
 */
function oddFilter($var)
{
    // 返回$var最后一个二进制位，
    // 为1则保留（奇数的二进制的最后一位肯定是1）
    return($var & 1);
}

/**
 * 偶数
 */
function evenFilter($var)
{
    // 返回$var最后一个二进制位，
    // 为0则保留（偶数的二进制的最后一位肯定是0）
    return(!($var & 1));
}

/**
 * 发布员签名
 * 注意：同时配置iyuu.cn与secret时，优先使用secret。
 */
function sign($timestamp)
{
    global $configALL;
    // 爱语飞飞
    $token = isset($configALL['iyuu.cn']) && $configALL['iyuu.cn'] ? $configALL['iyuu.cn'] : '';
    // 鉴权
    $token = isset($configALL['secret']) && $configALL['secret'] ? $configALL['secret'] : $token;
    return sha1($timestamp . $token);
}

/**
 * @brief 分离token中的用户uid
 * token算法：IYUU + uid + T + sha1(openid+time+盐)
 * @param string $token		用户请求token
 */
function getUid($token)
{
    //验证是否IYUU开头，strpos($token,'T')<15,token总长度小于60(40+10+5)
    return (strlen($token)<60)&&(strpos($token, 'IYUU')===0)&&(strpos($token, 'T')<15) ? substr($token, 4, strpos($token, 'T')-4): false;
}

/**
 * 显示支持的站点列表
 */
function ShowTableSites($dir = 'Protocols', $filter = array())
{
    // 过滤的文件
    switch ($dir) {
        case 'Protocols':
            $filter = ['axxxx','decodeBase'];
            break;
        case 'Rss':
            $filter = ['AbstractRss'];
            break;
        default:
            # code...
            break;
    }
    $data = [];
    $i = $j = $k = 0;   //i列、j序号、k行
    foreach (glob(APP_PATH.$dir.DS.'*.php') as $key => $start_file) {
        $start_file = str_replace("\\", "/", $start_file);
        $offset = strripos($start_file, '/');
        if ($offset===false) {
            $start_file = substr($start_file, 0, -4);
        } else {
            $start_file = substr($start_file, $offset+1, -4);
        }
        // 过滤示例、过滤解码接口
        if (in_array($start_file, $filter)) {
            continue;
        }
        // 控制多少列
        if ($i > 4) {
            $k++;
            $i = 0;
        }
        $i++;
        $j++;
        $data[$k][] = $j.". ".$start_file;
    }
    //输出表格
    $table = new Table();
    $table->setRows($data);
    echo($table->render());
}

/**
 * 是否win平台
 * @return bool
 */
function isWin()
{
    return (DIRECTORY_SEPARATOR == '\\') ? true : false;
}