<?php
/* 获取主题当前版本号 */
function _getVersion()
{
	return "6.8.9";
};

/* 判断是否是手机 */
function _isMobile()
{
	if (isset($_SERVER['HTTP_X_WAP_PROFILE']))
		return true;
	if (isset($_SERVER['HTTP_VIA'])) {
		return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
	}
	if (isset($_SERVER['HTTP_USER_AGENT'])) {
		$clientkeywords = array('nokia', 'sony', 'ericsson', 'mot', 'samsung', 'htc', 'sgh', 'lg', 'sharp', 'sie-', 'philips', 'panasonic', 'alcatel', 'lenovo', 'iphone', 'ipod', 'blackberry', 'meizu', 'android', 'netfront', 'symbian', 'ucweb', 'windowsce', 'palm', 'operamini', 'operamobi', 'openwave', 'nexusone', 'cldc', 'midp', 'wap', 'mobile');
		if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT'])))
			return true;
	}
	if (isset($_SERVER['HTTP_ACCEPT'])) {
		if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
			return true;
		}
	}
	return false;
}

/* 根据评论agent获取浏览器类型 */
function _getAgentBrowser($agent)
{
	if (preg_match('/MSIE\s([^\s|;]+)/i', $agent, $regs)) {
		$outputer = 'Internet Explore';
	} else if (preg_match('/FireFox\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'FireFox';
	} else if (preg_match('/Maxthon([\d]*)\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'MicroSoft Edge';
	} else if (preg_match('#360([a-zA-Z0-9.]+)#i', $agent, $regs)) {
		$outputer = '360 Fast Browser';
	} else if (preg_match('/Edge([\d]*)\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'MicroSoft Edge';
	} else if (preg_match('/UC/i', $agent)) {
		$outputer = 'UC Browser';
	} else if (preg_match('/QQ/i', $agent, $regs) || preg_match('/QQ Browser\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'QQ Browser';
	} else if (preg_match('/UBrowser/i', $agent, $regs)) {
		$outputer = 'UC Browser';
	} else if (preg_match('/Opera[\s|\/]([^\s]+)/i', $agent, $regs)) {
		$outputer = 'Opera';
	} else if (preg_match('/Chrome([\d]*)\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'Google Chrome';
	} else if (preg_match('/safari\/([^\s]+)/i', $agent, $regs)) {
		$outputer = 'Safari';
	} else {
		$outputer = 'Google Chrome';
	}
	echo $outputer;
}

/* 根据评论agent获取设备类型 */
function _getAgentOS($agent)
{
	$os = "Linux";
	if (preg_match('/win/i', $agent)) {
		if (preg_match('/nt 6.0/i', $agent)) {
			$os = 'Windows Vista';
		} else if (preg_match('/nt 6.1/i', $agent)) {
			$os = 'Windows 7';
		} else if (preg_match('/nt 6.2/i', $agent)) {
			$os = 'Windows 8';
		} else if (preg_match('/nt 6.3/i', $agent)) {
			$os = 'Windows 8.1';
		} else if (preg_match('/nt 5.1/i', $agent)) {
			$os = 'Windows XP';
		} else if (preg_match('/nt 10.0/i', $agent)) {
			$os = 'Windows 10';
		} else {
			$os = 'Windows X64';
		}
	} else if (preg_match('/android/i', $agent)) {
		if (preg_match('/android 9/i', $agent)) {
			$os = 'Android Pie';
		} else if (preg_match('/android 8/i', $agent)) {
			$os = 'Android Oreo';
		} else {
			$os = 'Android';
		}
	} else if (preg_match('/ubuntu/i', $agent)) {
		$os = 'Ubuntu';
	} else if (preg_match('/linux/i', $agent)) {
		$os = 'Linux';
	} else if (preg_match('/iPhone/i', $agent)) {
		$os = 'iPhone';
	} else if (preg_match('/mac/i', $agent)) {
		$os = 'MacOS';
	} else if (preg_match('/fusion/i', $agent)) {
		$os = 'Android';
	} else {
		$os = 'Linux';
	}
	echo $os;
}

/* 获取全局懒加载图 */
function _getLazyload($type = true)
{
	if ($type) echo Helper::options()->JLazyload;
	else return Helper::options()->JLazyload;
}

/* 获取头像懒加载图 */
function _getAvatarLazyload($type = true)
{
	$str = "data:image/png;base64,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";
	if ($type) echo $str;
	else return $str;
}

/* 查询文章浏览量 */
function _getViews($item, $type = true)
{
	$db = Typecho_Db::get();
	$result = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $item->cid))['views'];
	if ($type) echo number_format($result);
	else return number_format($result);
}

/* 查询文章点赞量 */
function _getAgree($item, $type = true)
{
	$db = Typecho_Db::get();
	$result = $db->fetchRow($db->select('agree')->from('table.contents')->where('cid = ?', $item->cid))['agree'];
	if ($type) echo number_format($result);
	else return number_format($result);
}

/* 页面开始计时 */
function _startCountTime()
{
	global $timeStart;
	$mTime     = explode(' ', microtime());
	$timeStart = $mTime[1] + $mTime[0];
	return true;
}

/* 页面结束计时 */
function _endCountTime($precision = 3)
{
	global $timeStart, $timeEnd;
	$mTime     = explode(' ', microtime());
	$timeEnd   = $mTime[1] + $mTime[0];
	$timeTotal = number_format($timeEnd - $timeStart, $precision);
	echo $timeTotal < 1 ? $timeTotal * 1000 . 'ms' : $timeTotal . 's';
}


/* 通过邮箱生成头像地址 */
function _getAvatarByMail($mail)
{
	$gravatarsUrl = 'https://gravatar.helingqi.com/wavatar/';
	$mailLower = strtolower($mail);
	$md5MailLower = md5($mailLower);
	$qqMail = str_replace('@qq.com', '', $mailLower);
	if (strstr($mailLower, "qq.com") && is_numeric($qqMail) && strlen($qqMail) < 11 && strlen($qqMail) > 4) {
		echo 'https://thirdqq.qlogo.cn/g?b=qq&nk=' . $qqMail . '&s=100';
	} else {
		echo $gravatarsUrl . $md5MailLower . '?d=mm';
	}
};

/* 获取侧边栏随机一言 */
function _getAsideAuthorMotto()
{
	$JMottoRandom = explode("\r\n", Helper::options()->JAside_Author_Motto);
	echo $JMottoRandom[array_rand($JMottoRandom, 1)];
}

/* 获取文章摘要 */
function _getAbstract($item, $type = true)
{
	$abstract = "";
	if ($item->password) {
		$abstract = "加密文章，请前往内页查看详情";
	} else {
		if ($item->fields->abstract) {
			$abstract = $item->fields->abstract;
		} else {
			$abstract = strip_tags($item->excerpt);
			if (strpos($abstract, '{hide') !== false) {
				$abstract = preg_replace('/{hide[^}]*}([\s\S]*?){\/hide}/', '隐藏内容，请前往内页查看详情', $abstract);
			}
		}
	}
	if ($abstract === '') $abstract = "暂无简介";
	if ($type) echo $abstract;
	else return $abstract;
}

/* 获取列表缩略图 */
function _getThumbnails($item)
{
	$result = [];
	$pattern = '/\<img.*?src\=\"(.*?)\"[^>]*>/i';
	$patternMD = '/\!\[.*?\]\((http(s)?:\/\/.*?(jpg|jpeg|gif|png|webp))/i';
	$patternMDfoot = '/\[.*?\]:\s*(http(s)?:\/\/.*?(jpg|jpeg|gif|png|webp))/i';
	/* 如果填写了自定义缩略图，则优先显示填写的缩略图 */
	if ($item->fields->thumb) {
		$fields_thumb_arr = explode("\r\n", $item->fields->thumb);
		foreach ($fields_thumb_arr as $list) $result[] = $list;
	}
	/* 如果匹配到正则，则继续补充匹配到的图片 */
	if (preg_match_all($pattern, $item->content, $thumbUrl)) {
		foreach ($thumbUrl[1] as $list) $result[] = $list;
	}
	if (preg_match_all($patternMD, $item->content, $thumbUrl)) {
		foreach ($thumbUrl[1] as $list) $result[] = $list;
	}
	if (preg_match_all($patternMDfoot, $item->content, $thumbUrl)) {
		foreach ($thumbUrl[1] as $list) $result[] = $list;
	}
	/* 如果上面的数量不足3个，则直接补充3个随即图进去 */
	if (sizeof($result) < 3) {
		$custom_thumbnail = Helper::options()->JThumbnail;
		/* 将for循环放里面，减少一次if判断 */
		if ($custom_thumbnail) {
			$custom_thumbnail_arr = explode("\r\n", $custom_thumbnail);
			for ($i = 0; $i < 3; $i++) {
				$result[] = $custom_thumbnail_arr[array_rand($custom_thumbnail_arr, 1)] . "?key=" . mt_rand(0, 1000000);
			}
		} else {
			for ($i = 0; $i < 3; $i++) {
				$result[] = 'https://cdn.jsdelivr.net/npm/typecho-joe-next@6.0.0/assets/thumb/' . rand(1, 42) . '.jpg';
			}
		}
	}
	return $result;
}


/* 获取父级评论 */
function _getParentReply($parent)
{
	if ($parent !== "0") {
		$db = Typecho_Db::get();
		$commentInfo = $db->fetchRow($db->select('author')->from('table.comments')->where('coid = ?', $parent));
		echo '<div class="parent"><span style="vertical-align: 1px;">@</span> ' . $commentInfo['author'] . '</div>';
	}
}

function _getHistoryToday($created)
{
	$date = date('m/d', $created);
	$time = time();
	$db = Typecho_Db::get();
	$prefix = $db->getPrefix();
	$sql = "SELECT * FROM `{$prefix}contents` WHERE DATE_FORMAT(FROM_UNIXTIME(created), '%m/%d') = '{$date}' and created <= {$time} and created != {$created} and type = 'post' and status = 'publish' and (password is NULL or password = '') LIMIT 5";
	$result = $db->query($sql);
	if ($result instanceof Traversable) {
		foreach ($result as $item) {
			$item = Typecho_Widget::widget('Widget_Abstract_Contents')->push($item);
			$title = htmlspecialchars($item['title']);
			$permalink = $item['permalink'];
			echo "
					<li class='item'>
						<a class='link' href='{$permalink}' title='{$title}'>{$title}</a>
					</li>
				";
		}
	}
}

/* 获取侧边栏作者随机文章 */
function _getAsideAuthorNav()
{
	if (Helper::options()->JAside_Author_Nav && Helper::options()->JAside_Author_Nav !== "off") {
		$limit = Helper::options()->JAside_Author_Nav;
		$db = Typecho_Db::get();
		$prefix = $db->getPrefix();
		$sql = "SELECT * FROM `{$prefix}contents` WHERE cid >= (SELECT floor( RAND() * ((SELECT MAX(cid) FROM `{$prefix}contents`)-(SELECT MIN(cid) FROM `{$prefix}contents`)) + (SELECT MIN(cid) FROM `{$prefix}contents`))) and type='post' and status='publish' and (password is NULL or password='') ORDER BY cid LIMIT $limit";
		$result = $db->query($sql);
		if ($result instanceof Traversable) {
			foreach ($result as $item) {
				$item = Typecho_Widget::widget('Widget_Abstract_Contents')->push($item);
				$title = htmlspecialchars($item['title']);
				$permalink = $item['permalink'];
				echo "
						<li class='item'>
							<a class='link' href='{$permalink}' title='{$title}'>{$title}</a>
							<svg class='icon' viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg' width='16' height='16'><path d='M448.12 320.331a30.118 30.118 0 0 1-42.616-42.586L552.568 130.68a213.685 213.685 0 0 1 302.2 0l38.552 38.551a213.685 213.685 0 0 1 0 302.2L746.255 618.497a30.118 30.118 0 0 1-42.586-42.616l147.034-147.035a153.45 153.45 0 0 0 0-217.028l-38.55-38.55a153.45 153.45 0 0 0-216.998 0L448.12 320.33zM575.88 703.67a30.118 30.118 0 0 1 42.616 42.586L471.432 893.32a213.685 213.685 0 0 1-302.2 0l-38.552-38.551a213.685 213.685 0 0 1 0-302.2l147.065-147.065a30.118 30.118 0 0 1 42.586 42.616L173.297 595.125a153.45 153.45 0 0 0 0 217.027l38.55 38.551a153.45 153.45 0 0 0 216.998 0L575.88 703.64zm-234.256-63.88L639.79 341.624a30.118 30.118 0 0 1 42.587 42.587L384.21 682.376a30.118 30.118 0 0 1-42.587-42.587z'/></svg>
						</li>
					";
			}
		}
	}
}

function _curl($url)
{
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	if (strpos($url, 'https') !== false) {
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
	}
	curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36');
	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	$result = curl_exec($ch);
	curl_close($ch);
	return $result;
}

/* 判断敏感词是否在字符串内 */
function _checkSensitiveWords($words_str, $str)
{
	$words = explode("||", $words_str);
	if (empty($words)) {
		return false;
	}
	foreach ($words as $word) {
		if (false !== strpos($str, trim($word))) {
			return true;
		}
	}
	return false;
}