/**
 * 设置 YOHO 数据
 * @author: 赵彪<bill.zhao@yoho.cn>
 * @date: 2016/6/16
 */

'use strict';
const helpers = global.yoho.helpers;

module.exports = () => {
    return (req, res, next) => {
        let yoho = {
            pageChannel: {}
        };

        let ua = (req.get('User-Agent') || '').toLowerCase();

        const channel = req.query.channel || req.cookies._Channel || 'boys';

        // 用于头部颜色控制
        yoho.pageChannel[channel] = true;

        // 当前频道设置
        yoho.channel = channel;

        // 判断请求是否来自app
        yoho.isApp = req.query.app_version || req.query.appVersion;
        yoho.isWechat = /micromessenger/i.test(req.get('User-Agent') || '');
        yoho.isWeibo = ua.indexOf('weibo') !== -1;
        yoho.isqq = /MQQBrowser/i.test(req.get('User-Agent') || '');

        Object.assign(res.locals, yoho);
        Object.assign(req.yoho, yoho);

        // App 内请求支持跨域
        if (yoho.isApp) {
            res.set('Access-Control-Allow-Origin', '*');
        }

        res.locals.cartUrl = helpers.urlFormat('/cart/index/index'); // 悬挂购物车
        res.locals.indexUrl = helpers.urlFormat('/?go=1'); // 悬挂首页
        res.locals.showHeader = true;

        next();
    };
};