<?php

namespace Plugin;

/**
 * 辅助类
 */
class Helpers
{

    /**
     * 构建网站的URL
     * 
     * 备注：所有的URL构建都尽量使用该方法，便于以后维护.
     * 
     * @param string $uri 如 "/passport/reg/index"
     * @param array $param 参数项 array(key1 => value1, key2 => value2,)，默认为array()
     * @param string $module 模块名 如"index"表示默认, "guang"表示逛,"list"表示商品列表,"search"表示搜索
     * @return string
     */
    public static function url($uri, $param = array(), $module = 'index')
    {
        $url = '';

        switch ($module) {
            case 'default':
                $url = 'http://m.yohobuy.com';
                break;
            case 'guang': // 逛
                $url = 'http://guang' . SUB_DOMAIN;
                break;
            case 'list': // 商品列表
                $url = 'http://list' . SUB_DOMAIN;
                break;
            case 'search': // 搜索
                $url = 'http://search' . SUB_DOMAIN;
                break;
            case 'index': // 默认
                $url = SITE_MAIN;
                break;
            case '': // 相对地址
                break;
            default: // 其它子域名
                $url = 'http://' . $module . SUB_DOMAIN;
        }
        $url .= $uri;
        if (!empty($param)) {
            $url .= '?' . http_build_query($param, null, '&');
        }

        return $url;
    }

    /**
     * 根据尺寸获得图片url
     * 
     * @param  string  $url  路径
     * @param  integer  $width    图片宽度
     * @param  integer  $height   图片高度
     * @param  integer $mode     模式
     * @return string            图片地址
     */
    public static function getImageUrl($url, $width, $height, $mode = 2)
    {
        return strtr($url, array('{width}' => $width, '{height}' => $height, '{mode}' => $mode));
    }

    /**
     * 获取过滤APP里附加参数后的URL链接
     * 
     * @param string $url 路径
     * @return string 去除掉如&openby:yohobuy={"action":"go.brand"}这样的APP附加参数
     */
    public static function getFilterUrl($url)
    {
        $url = strtr($url, array('.m.yohobuy.com' => SUB_DOMAIN, OLD_MAIN => SITE_MAIN, 'www.yohobuy.com' => SITE_MAIN));
        $filter = strstr($url, 'openby:yohobuy=', true);
        if ($filter) {
            return rtrim(rtrim($filter, '?'), '&');
        } else {
            return $url;
        }
    }

    /**
     * 根据用户访问的COOKIE判断出性别
     * 
     * @return string
     */
    public static function getGenderByCookie()
    {
        $cookie = isset($_COOKIE['_Channel']) ? $_COOKIE['_Channel'] : 'boys';
        switch (strval($cookie)) {
            case 'boys': // 男
                return '1,3';
            case 'girls': // 女
                return '2,3';
            default: // 其它
                return '1,2,3';
        }
    }

    /**
     * 根据用户访问的COOKIE判断出频道
     * 
     * @return int
     */
    public static function getChannelByCookie()
    {
        $cookie = isset($_COOKIE['_Channel']) ? $_COOKIE['_Channel'] : 'boys';
        switch (strval($cookie)) {
            case 'boys': // 男
                return 1;
            case 'girls': // 女
                return 2;
            case 'kids': // 潮童
                return 3;
            case 'lifestyle': // 创意生活
                return 4;
            default: // 其它
                return 1;
        }
    }

    /**
     * 从用户加入购物车的COOKIE取出购物车凭证
     * 
     * @return string
     */
    public static function getShoppingKeyByCookie()
    {
        $cookie = isset($_COOKIE['_SPK']) ? $_COOKIE['_SPK'] : '';
        return $cookie;
    }

    /**
     * 获取商品的ICON
     * 
     * @param int $type
     * @return array
     */
    public static function getProductIcon($type)
    {
        static $icons = array(
            1 => 'cloth',
            3 => 'pants',
            4 => 'dress',
            6 => 'shoe',
            7 => 'bag',
            10 => 'lamp',
            241 => 'headset',
            8 => 'watch',
            360 => 'swim-suit',
            308 => 'under'
        );
        $type = intval($type);

        return isset($icons[$type]) ? $icons[$type] : '';
    }

    /**
     * 根据排序类型和类型值获得正确的排序参数
     * @param  integer $order 类型值
     * @param  string $type  排序类型
     * @return string        转换之后的排序参数
     */
    public static function transOrder($order, $type)
    {
        switch ($type) {
            case 'price':
                $result = ($order == 0) ? 's_p_desc' : 's_p_asc';
                break;
            case 'discount':
                $result = ($order == 0) ? 'p_d_desc' : 'p_d_asc';
                break;
            case 'newest':
            default:
                $result = ($order == 1) ? 's_t_desc' : 's_t_asc';
                break;
        }

        return $result;
    }

    /**
     * 转换价格
     *
     * @param float|string $price 价格
     * @return float|string 转换之后的价格
     */
    public static function transPrice($price)
    {
        return !empty($price) ? number_format($price, 2, '.', '') : 0;
    }

    /**
     * 格式化商品信息
     * 
     * @param array $productData 需要格式化的商品数据
     * @param bool $showTags 控制是否显示标签
     * @param bool $showNew 控制是否显示NEW图标
     * @param bool $showSale 控制是否显示SALE图标
     * @param int $width 图片的宽度
     * @param int $height 图片的高度
     * @param bool $isApp 判断是不是APP访问
     * @param bool $showPoint 商品价格是否显示小数位，默认显示
     * @return array | false
     */
    public static function formatProduct($productData, $showTags = true, $showNew = true, $showSale = true, $width = 290, $height = 388, $isApp = false, $showPoint = true)
    {
        // 商品信息有问题，则不显示
        if (!isset($productData['product_skn']) || !isset($productData['goods_list'][0])) {
            return false;
        }

        // 市场价和售价一样，则不显示市场价
        if (intval($productData['market_price']) === intval($productData['sales_price'])) {
            $productData['market_price'] = false;
        }

        // 判别默认的商品是否将默认的图片URL赋值到skn
        $flag = false; 
        // 如果设置了默认图片，就取默认的图片
        foreach ($productData['goods_list'] as $oneGoods) {
            //  此skc是默认的，则将图片赋值给skn
            if ($oneGoods['is_default'] === 'Y') {
                $productData['default_images'] = self::procProductImg($oneGoods);
                $flag = true;
                break;
            }
        }
        // 如果还未赋值，则取第一个skc产品的默认图片
        if (!$flag) {
            $productData['default_images'] = self::procProductImg($productData['goods_list'][0]);
        }

        $result = array();
        $result['id'] = $productData['product_skn'];
        $result['product_id'] = $productData['product_id'];
        $result['thumb'] = Images::getImageUrl($productData['default_images'], $width, $height);
        $result['name'] = $productData['product_name'];
        $result['price'] = empty($productData['market_price']) ? false : $productData['market_price'];
        $result['salePrice'] = $productData['sales_price'];
        if ($showPoint) {
            $result['price'] && $result['price'] .= '.00';
            $result['salePrice'] && $result['salePrice'] .= '.00';
        }
        $result['is_soon_sold_out'] = ($productData['is_soon_sold_out'] === 'Y');
        $result['url'] = self::url('/product/pro_' . $productData['product_id'] . '_'
                        . $productData['goods_list'][0]['goods_id']
                        . '/' . $productData['cn_alphabet'] . '.html');
        // APP访问需要加附加的参数
        // 备注：如果以后APP的接口太多，可以把这边参数提取出来，变成一个公共的方法来生成，便于以后管理维护
        if ($isApp) {
            $result['url'] .= '?openby:yohobuy={"action":"go.productDetail","params":{"product_skn":' . $productData['product_skn'] . '}}';
        }

        if ($showTags) {
            $result['tags'] = array();
            $result['tags']['is_new'] = $showNew && isset($productData['is_new']) && $productData['is_new'] === 'Y'; // 新品
            $result['tags']['is_discount'] = $showSale && isset($productData['is_discount']) && $productData['is_discount'] === 'Y'; // 在售
            $result['tags']['is_limited'] = isset($productData['is_limited']) && $productData['is_limited'] === 'Y'; // 限量
            $result['tags']['is_yohood'] = isset($productData['is_yohood']) && $productData['is_yohood'] === 'Y'; // YOHOOD
            $result['tags']['midYear'] = isset($productData['mid-year']) && $productData['mid-year'] === 'Y'; // 年中
            $result['tags']['yearEnd'] = isset($productData['year-end']) && $productData['year-end'] === 'Y'; // 年末
            $result['tags']['is_advance'] = isset($productData['is_advance']) && $productData['is_advance'] === 'Y'; // 再到着
            // 打折与即将售完组合显示打折
            if ($result['is_soon_sold_out'] && $result['tags']['is_discount']) {
                $result['tags']['is_new'] = false;
            }
            // 打折与其它组合则隐藏打折
            elseif ($result['tags']['is_discount'] &&
                    ($result['tags']['is_new'] || $result['tags']['is_limited'] || $result['tags']['is_yohood'] || $result['tags']['is_advance'])) {
                $result['tags']['is_discount'] = false;
            }
            // YOHOOD和新品组合显示YOHOOD
            elseif ($result['tags']['is_yohood'] && $result['tags']['is_new']) {
                $result['tags']['is_new'] = false;
            }
        }

        return $result;
    }

    /**
     * 根据性别来决定  默认图片获取字段   如果是 2、3       
     * 
     * 则优先从cover2 --》 cover1 -- 》 images_url
     * 否则优先从cover1 --》 cover2 -- 》 images_url
     * 
     * @param array $images
     * @return string 商品图片
     */
    public static function procProductImg($images)
    {
        $imgUrl = isset($images['images_url']) ? $images['images_url'] : '';
        $cover1 = isset($images['cover_1']) ? $images['cover_1'] : '';
        $cover2 = isset($images['cover_2']) ? $images['cover_2'] : '';
        $gender = self::getGenderByCookie();
        if ($gender === '2,3') {
            return !empty($cover2) ? $cover2 : (!empty($cover1) ? $cover1 : $imgUrl);
        } else {
            return !empty($cover1) ? $cover1 : (!empty($cover2) ? $cover2 : $imgUrl);
        }
    }

    /**
     * 格式化资讯文章
     * 
     * @param array $articleData 需要格式化的资讯数据
     * @param bool $showTag 是否显示左上角标签
     * @param mixed $isApp 是否显示分享，在APP客户端里嵌入需要传url链接
     * @param bool $showAuthor 控制是否显示作者信息
     * @param int $uid 当前登录的用户ID
     * @return array | false
     */
    public static function formatArticle($articleData, $showTag = true, $isApp = false, $showAuthor = true, $uid = null)
    {
        // 资讯ID不存在，则不显示
        if (!isset($articleData['id'])) {
            return false;
        }

        $result = array();
        $result['id'] = $articleData['id'];
        $result['showTags'] = $showTag;
        $result['img'] = self::getImageUrl($articleData['src'], 640, 640);
        $result['url'] = $isApp ? $articleData['url'] : self::url('/info/index', array('id' => $articleData['id']), 'guang');
        $result['title'] = $articleData['title'];
        $result['text'] = $articleData['intro'];
        $result['publishTime'] = $articleData['publish_time'];
        $result['pageView'] = $articleData['views_num'];

        // 收藏
        if ($isApp) {
            $result['collect'] = array();
            $result['collect']['isCollected'] = isset($articleData['isFavor']) && $articleData['isFavor'] === 'Y';
            $result['collect']['url'] = !empty($uid) ? 'javascript:;' : strtr($articleData['url'], array('"islogin":"N"' => '"islogin":"Y"'));
        }
        // 点赞
        else {
            $result['like'] = array();
            $result['like']['count'] = $articleData['praise_num'];
            $result['like']['isLiked'] = isset($articleData['isPraise']) && $articleData['isPraise'] === 'Y';
        }

        // 分享链接
        $result['share'] = $isApp && isset($articleData['share']['url']) ? $articleData['share']['url'] : false;

        // 判断是否显示作者信息
        if ($showAuthor && !empty($articleData['author'])) {
            if (!$isApp) {
                $articleData['author']['url'] = Helpers::getFilterUrl($articleData['author']['url']);
            }
            $result['author'] = $articleData['author'];
        }

        // 模板中需要的标签标识
        if ($showTag && isset($articleData['category_id'])) {
            switch (strval($articleData['category_id'])) {
                case '1': // 话题
                    $result['isTopic'] = true;
                    break;
                case '2': // 搭配
                    $result['isCollocation'] = true;
                    break;
                case '3': // 潮人
                    $result['isFashionMan'] = true;
                    break;
                case '4': // 潮品
                    $result['isFashionGood'] = true;
                    break;
                case '5': // 小贴士
                    $result['isTip'] = true;
                    break;
            }
        }

        return $result;
    }

    /**
     * 格式化广告焦点图数据
     * 
     * @param array $bannerData 需要格式化的广告图数据
     * @param int $width 图片的宽度
     * @param int $height 图片的高度
     * @param int $mode 使用的七牛模式
     * @return array
     */
    public static function formatBanner($bannerData, $width, $height, $mode = 2)
    {
        $result = array();

        $result['img'] = self::getImageUrl($bannerData['src'], $width, $height, $mode);
        if (isset($bannerData['url'])) {
            $result['url'] = self::getFilterUrl($bannerData['url']);
        }
        $result['title'] = $bannerData['title'];

        return $result;
    }

    /**
     * 生成公开的TOKEN凭证
     * 
     * @param string $string 字符串
     * @return string
     */
    public static function makeToken($string)
    {
        return md5(md5($string . '#@!@#'));
    }

    /**
     * 验证TOKEN凭证
     * 
     * @param string $string 字符串
     * @param string $token 公开访问TOKEN
     * @return bool
     */
    public static function verifyToken($string, $token)
    {
        if ($token === self::makeToken($string)) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 验证手机是否合法
     * 
     * @param int $mobile
     * @return boolean
     */
    public static function verifyMobile($mobile)
    {
        if (empty($mobile)) {
            return false;
        }
        return (bool) preg_match('/^1[3|4|5|8|7][0-9]{9}$/', trim($mobile));
    }

    /**
     * 验证密码是否合法
     * 
     * @param int $password
     * @return boolean
     */
    public static function verifyPassword($password)
    {
        if (empty($password)) {
            return false;
        }
        return (bool) preg_match('/^([a-zA-Z0-9\-\+_!@\#$%\^&\*\(\)\:\;\.=\[\]\\\',\?]){6,20}$/', trim($password));
    }

    /**
     * 验证邮箱是否合法
     * 
     * @param string $email
     * @return boolean
     */
    public static function verifyEmail($email)
    {
        if (empty($email)) {
            return false;
        }
        return !!filter_var($email, FILTER_VALIDATE_EMAIL);
    }

    /**
     * 验证国际手机号是否合法 
     * 
     * @param string $areaMobile
     * @return boolean
     */
    public static function verifyAreaMobile($areaMobile)
    {
        if (empty($areaMobile)) {
            return false;
        }
        if (!strpos($areaMobile, '-')) {
            return self::areaMobielVerify($areaMobile);
        } else {
            $mobileData = explode('-', $areaMobile);
            if (count($mobileData) != 2) {
                return false;
            }
        }
        return self::areaMobielVerify($mobileData[1], $mobileData[0]);
    }

    /**
     * 根据url获取拼接之后的地址，用于用户清理缓存
     * @param string $url url地址
     * @param string $channel 频道，默认为woman
     *
     * @return string  处理之后的地址
     */
    public static function transUrl($url, $channel='woman') 
    {
        $extra = '';
        if(!empty($url) && stripos($url, '?') === false) {
            $extra = '?channel='.$channel;
        }
        if(!empty($url) && stripos($url, '?') !== false){
            $extra = '&channel='.$channel;
        }
        return $url . $extra;
    }
    
    
    /**
     * 各国手机号规则
     */
    private static function areaMobielVerify($mobile, $area = 86)
    {
        $verify = array(
            86 => array(
                'name' => '中国',
                'match' => (bool) preg_match('/^1[3|4|5|8|7][0-9]{9}$/', trim($mobile)),
            ),
            852 => array(
                'name' => '中国香港',
                'match' => (bool) preg_match('/^[9|6|5][0-9]{7}$/', trim($mobile)),
            ),
            853 => array(
                'name' => '中国澳门',
                'match' => (bool) preg_match('/^[0-9]{8}$/', trim($mobile)),
            ),
            886 => array(
                'name' => '中国台湾',
                'match' => (bool) preg_match('/^[0-9]{10}$/', trim($mobile)),
            ),
            65 => array(
                'name' => '新加坡',
                'match' => (bool) preg_match('/^[9|8][0-9]{7}$/', trim($mobile)),
            ),
            60 => array(
                'name' => '马来西亚',
                'match' => (bool) preg_match('/^1[1|2|3|4|6|7|9][0-9]{8}$/', trim($mobile)),
            ),
            1 => array(
                'name' => '加拿大&美国',
                'match' => (bool) preg_match('/^[0-9]{10}$/', trim($mobile)),
            ),
            82 => array(
                'name' => '韩国',
                'match' => (bool) preg_match('/^01[0-9]{9}$/', trim($mobile)),
            ),
            44 => array(
                'name' => '英国',
                'match' => (bool) preg_match('/^7[7|8|9][0-9]{8}$/', trim($mobile)),
            ),
            81 => array(
                'name' => '日本',
                'match' => (bool) preg_match('/^0[9|8|7][0-9]{9}$/', trim($mobile)),
            ),
            61 => array(
                'name' => '澳大利亚',
                'match' => (bool) preg_match('/^[0-9]{11}$/', trim($mobile)),
            ),
        );
        if (isset($verify[$area])) {
            return $verify[$area]['match'];
        }
        return false;
    }

    /**
     * 格式化订单商品
     * 
     * @param array $orderGoods 订单
     * @param int $count 计订单件数
     * @param bool $haveLink 控制是否需要商品链接
     * @return array $arr 处理之后的订单商品数据
     */
    public static function formatOrderGoods($orderGoods, &$count = 0, $haveLink = false)
    {
        $arr = array();

        foreach ($orderGoods as $key => $vo) {
            $arr[$key]['thumb'] = Helpers::getImageUrl($vo['goods_image'], 90, 120);
            $arr[$key]['name'] = $vo['product_name'];
            $arr[$key]['color'] = $vo['color_name'];
            $arr[$key]['size'] = $vo['size_name'];
            $arr[$key]['price'] = $vo['goods_price'];
            $arr[$key]['count'] = $vo['buy_number'];
            //gift=>是否赠品,advanceBuy=>是否加价购;
            if ($vo['goods_type'] == 'gift') {
                $arr[$key]['gift'] = true;
            } elseif ($vo['goods_type'] == 'price_gift') {
                $arr[$key]['advanceBuy'] = true;
            }
            // 上市期
            if (!empty($vo['expect_arrival_time'])) {
                $arr[$key]['appearDate'] = $vo['expect_arrival_time'];
            }
            // 商品链接
            if ($haveLink && isset($vo['product_skn'])) {
                $arr[$key]['link'] = self::url('/product/show_' . $vo['product_skn'] . '.html');
            }
            // 累计购买数
            $count += intval($vo['buy_number']);
        }

        return $arr;
    }

/**
     * 格式化购物车商品
     *
     * @param array $cartGoods 购物车商品列表
     * @param boolean $isValid 是否是可用商品（非失效商品），默认是
     * @param bool $isAdvanceCart 是否是预售购物车（和上市期有关）
     * @return array 处理之后的购物车商品数据
     */
    public static function formatCartGoods($cartGoods, $isAdvanceCart, $isValid = true)
    {
        $arr = array();

        $oneGoods = array();
        foreach ($cartGoods as $key => $value) {
            $oneGoods = array();
            $oneGoods['id'] = $value['product_sku'];
            $oneGoods['skn'] = $value['product_skn'];
            $oneGoods['name'] = $value['product_name'];
            $oneGoods['thumb'] = !empty($value['goods_images']) ? Images::getImageUrl($value['goods_images'], 120, 160) : '';
            $oneGoods['color'] = $value['color_name'];
            $oneGoods['size'] = $value['size_name'];
            $oneGoods['checked'] = $value['selected'] === 'Y';
            $oneGoods['price'] = self::transPrice($value['last_vip_price']);
            $oneGoods['isVipPrice'] = $value['sales_price'] !== $value['last_vip_price'];
            $oneGoods['count'] = $value['buy_number'];

            if ($isValid) {
                // 库存不足
                $oneGoods['lowStocks'] = ($value['buy_number'] > $value['storage_number']);
            } else { // 失效商品
                $oneGoods['inValid'] = true;
            }

            //gift=>是否赠品,advanceBuy=>是否加价购,soldOut=>失效商品;
            if (!isset($value['goods_type'])) {
                $oneGoods['inValid'] = true;
            } elseif ($value['goods_type'] == 'gift' && !isset($value['isAdvanceBuy'])) {
                $oneGoods['isGift'] = true;
                $oneGoods['salesPrice'] = self::transPrice($value['sales_price']);
                $oneGoods['price'] = self::transPrice($value['last_price']);
            } elseif ($value['goods_type'] == 'price_gift') {
                $oneGoods['showCheckbox'] = true;
                $oneGoods['isAdvanceBuy'] = true;
                $oneGoods['salesPrice'] = self::transPrice($value['sales_price']);
                $oneGoods['price'] = self::transPrice($value['last_price']);
            } else {
                $oneGoods['showCheckbox'] = true;
            }

            // 上市期
            if ($isAdvanceCart && !empty($value['expect_arrival_time'])) {
                $oneGoods['appearDate'] = $value['expect_arrival_time'];
            }
            // 商品链接
            $oneGoods['link'] = self::url('/product/show_' . $value['product_skn'] . '.html');

            $arr[$key] = $oneGoods;
        }

        return $arr;
    }

    /**
     * 格式化加价购和赠品商品
     *
     * @param array $advanceGoods 加价购商品列表
     * @param int $count 计商品件数
     * @return array $arr 处理之后的加价购商品数据
     */
    public static function formatAdvanceGoods($advanceGoods, &$count = 0)
    {
        $arr = array();

        $gift = array();
        $oneGoods = array();
        $number = 0;
        foreach ($advanceGoods as $value) {
            $gift = array();
            $gift['promotionId'] = $value['promotion_id'];
            $gift['promotionTitle'] = $value['promotion_title'];

            $number = 0;
            foreach ($value['goods_list'] as $single) {
                $oneGoods = array();
                $oneGoods['id'] = $single['product_skn'];
                $oneGoods['name'] = $single['product_name'];
                $oneGoods['thumb'] = !empty($single['goods_images']) ? Images::getImageUrl($single['goods_images'], 120, 160) : '';
                $oneGoods['price'] = self::transPrice($single['last_price']);
                $oneGoods['marketPrice'] = self::transPrice($single['market_price']);
                $oneGoods['count'] = $single['storage_number'];

                $gift['goods'][] = $oneGoods;
                $number ++;
            }

            $arr[] = $gift;

            // 计算加价购商品数目
            //$count += count($value['goods_list']);
            $count += $number;
        }

        return $arr;
    }
    
    /**
     * 订单状态，按订单支付类型和订单状态
     * @var array
     */
    public static function getOrderStatus()
    {
        return array(
            '1' => array(//在线支付
                0 => '待付款',
                1 => '已付款',
                2 => '已付款',
                3 => '已付款',
                4 => '已发货',
                5 => '已发货',
                6 => '交易成功'
            ),
            '2' => array(//货到付款
                0 => '备货中',
                1 => '已付款',
                2 => '已付款',
                3 => '已付款',
                4 => '已发货',
                5 => '已发货',
                6 => '交易成功'
            ),
            '3' => array(//现金支付
                0 => '待付款',
                1 => '已付款',
                2 => '已付款',
                3 => '已付款',
                4 => '已发货',
                5 => '已发货',
                6 => '交易成功'
            ),
            '4' => array(//抵消支付
                0 => '待付款',
                1 => '已付款',
                2 => '已付款',
                3 => '已付款',
                4 => '已发货',
                5 => '已发货',
                6 => '交易成功'
            )
        );
    }

    /**
     * 获取会员的级别
     * 
     * @param string $vipInfo
     * @return int
     */
    public static function getVipLevel($vipInfo)
    {
        $vipLevel = 0;

        switch ($vipInfo) {
            case '普通会员':
                $vipLevel = 0;
                break;
            case '银卡会员':
                $vipLevel = 1;
                break;
            case '金卡会员':
                $vipLevel = 2;
                break;
            case '白金会员':
                $vipLevel = 3;
                break;
        }

        return $vipLevel;
    }

    /**
     * 同步用户的会话
     * 
     * 转向老的PHP服务器上处理, 因购物车相关的操作会依赖SESSION
     * 
     * @param int $uid 用户ID
     * @param string $refer 访问来源
     * @param string $callback 回调方法名
     * @return string
     */
    public static function syncUserSession($uid, $refer = '', $callback = 'call')
    {
        $url = '';
        switch (APPLICATION_ENV) {
            case 'production':
                $url = 'https://login.m.yohobuy.com'; //$url = 'http://mapi.yohobuy.com';
                break;
            case 'preview':
                $url = 'https://login.m.yohobuy.com';
                break;
            case 'testing':
                $url = 'http://m1.yohobuy.com';
                break;
            default:
                $url = 'http://m1.yohobuy.com';
                break;
        }
        $url .= '/Passport/session/index?callback=' . $callback . '&sign=' . md5(md5($uid . 'Js8Yn0!EwPM45-ws')) . '&uid=' . $uid . '&go=' . $refer;
        
        return $url;
    }

    /**
     * 退出清除用户的会话
     * 
     * 转向老的PHP服务器上处理, 因购物车相关的操作会依赖SESSION
     * 
     * @param int $token 用户ID
     * @param string $refer 访问来源
     * @param string $callback 回调方法名
     * @return string
     */
    public static function logoutSession($token, $refer = '', $callback = 'call')
    {
        $url = '';
        switch (APPLICATION_ENV) {
            case 'production':
                $url = 'http://mapi.yohobuy.com';
                break;
            case 'preview':
                $url = 'http://mapi.yohobuy.com';
                break;
            case 'testing':
                $url = 'http://m1.yohobuy.com';
                break;
            default:
                $url = 'http://m1.yohobuy.com';
                break;
        }
        $url .= '/Passport/session/logout?callback=' . $callback . '&sign=' . md5(md5('Js8Yn0!EwPM45-ws')) . '&token=' . $token . '&go=' . $refer;
        
        return $url;
    }

    /**
     * 根据skc获取商品链接
     * @param unknown $productSkc
     * @return string
     */
    public static function getUrlBySkc($product_id, $goods_id, $cn_alphabet='')
    {
        if (empty($cn_alphabet)) {
            $cn_alphabet = 'goods.html';
        }
        return 'http://item.yohobuy.com/product/pro_' . $product_id . '_' . $goods_id  . '/' . $cn_alphabet.  '.html';
    }
    
    /**
     * 获取真实IP
     * 
     * @return string
     */
    public static function getClientIp()
    {
        $ip = '0.0.0.0';
        if (isset($_SERVER['HTTP_CLIENT_IP']) && $_SERVER['HTTP_CLIENT_IP'] != '')
            $ip = $_SERVER['HTTP_CLIENT_IP'];
        elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && $_SERVER['HTTP_X_FORWARDED_FOR'] != '')
            $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        elseif (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] != '')
            $ip = $_SERVER['REMOTE_ADDR'];
        return $ip;
    }
    
   /** 
    * 组合国际手机号
    * @param  $area
    * @param  $mobile
    * @return string
    */
    public static function makeMobile($area, $mobile)
    {
        if(empty($area) || $area == 86){
            return $mobile;
        }
        return $area.'-'.$mobile;
    }

    /**
     * 按照数组中指定字段排序二维数组
     *
     * @param  array &$array 需要排序的数组
     * @param  string $field 字段名称
     * @param  boolean $desc 是否降序排列，默认为false
     */
    public static function sortArrByField(&$array, $field, $desc = false)
    {
        $fieldArr = array();
        foreach ($array as $k => $v) {
            $fieldArr[$k] = isset($v[$field]) ? $v[$field] : '';
        }
        $sort = $desc == false ? SORT_ASC : SORT_DESC;
        array_multisort($fieldArr, $sort, $array);
    }
}