/**
 * 品类|品牌|店铺 controller
 * @author: wsl<shuiling.wang@yoho.cn>
 * @date: 2016/7/21
 */

'use strict';
const utils = '../../../utils';
const mRoot = '../models';
const headerModel = require('../../../doraemon/models/header');
const listModel = require(`${mRoot}/list`);
const _ = require('lodash');
const crypto = global.yoho.crypto;
const helpers = global.yoho.helpers;
const productProcess = require(`${utils}/product-process`);

/**
 * 从 useragent 获取 uid
 * @returns {*}
 * @private
 */
const _getUidFromUserAgent = (req) => {
    let userAgent = _.split(req.headers['user-agent'], ';');
    let uidString = '';

    _.forEach(userAgent, value => {
        if (_.startsWith(value, 'uid')) {
            uidString = value;
            return;
        }
    });

    return _.split(uidString, '=')[1];
};

/**
 * 店铺 - 基础模板
 */
const _baseShop = (req, res, shopInfo, shopId) => {

    listModel.getBaseShopData(req.query, shopInfo).then(result => {

        res.render('search/goods-list', {
            module: 'product',
            page: 'search-list',
            pageHeader: headerModel.setNav({
                navTitle: result.shopName
            }),
            goodList: result,
            showDownloadApp: true,
            pageFooter: true,
            title: shopInfo.shop_name + '|' + shopInfo.shop_name + '潮流服装服饰-Yoho!Buy有货',
            keywords: shopInfo.shop_name + ',' + shopInfo.shop_name + '服装服饰,' + shopInfo.shop_name + '潮流服装服饰',
            description: shopInfo.shop_name + '|Yoho!Buy有货' + shopInfo.shop_name + '潮流服饰官方授权店！100%品牌正品保证,支持货到付款。',
            shopId: shopId,
            shopPage: true
        });
    });

};

/**
 * TODO TAR 店铺和品牌收藏状态调用新的接口
 * 基础模板收藏
 */
const baseShopFav = (req, res) => {
    let allowOrigin = _.get(req, 'headers.origin', null) ?
        req.headers.origin : req.protocol + '://' + req.headers.host;

    res.setHeader('Access-Control-Allow-Origin', allowOrigin);
    res.setHeader('Access-Control-Allow-Credentials', 'true');

    let uid = req.user.uid || req.query.uid || req.cookies.appUid || _getUidFromUserAgent(req);
    let shopId = req.query.shopId;

    listModel.getBrandFavStatus({
        uid: uid,
        id: shopId,
        type: 'shop'
    }).then(result => {
        res.json({
            code: 200,
            collect: result && result.data,
        });
    });
};


/**
 * 店铺首页
 * @return int
 */
const _shop = (req, res, shopId) => {
    let isApp = req.query.app_version || req.query.appVersion || false;
    let pageHeader = {};
    let uid = req.user.uid;

    // pagecache前端判断
    if (!isApp) {
        pageHeader = {
            pageHeader: _.assign({
                shopPage: {
                    text: '分类',
                    url: helpers.urlFormat('/product/index/category', {
                        shop_id: shopId
                    })
                }
            }, headerModel.setNav({
                navTitle: false
            }))
        };
    } else {
        uid = req.query.uid;
        req.session.appUid = uid;
        res.cookie('appUid', uid, {
            domain: 'yohobuy.com',
            expires: new Date(Date.now() + 2592000000) // 有效期一年
        });
    }

    listModel.getShopData(req, shopId, uid, isApp).then(result => {
        if (result.goBrand) {

            /* 若店铺使用基础模板跳转基础模板 */
            _baseShop(req, res, result.goBrand, shopId);
        } else {
            listModel.searchProductBySkn(result.hotListproductSkn).then(hotList => {
                result = _.assign(result, pageHeader, {
                    hotList: productProcess.processProductList(hotList, {isApp: isApp})
                });

                _.forEach(result.hotList, (value, key) => {
                    result.hotList[key].tags = {};
                    result.hotList[key].is_soon_sold_out = false;
                    result.hotList[key].tags.isHot = true;
                });

                // 有领券功能，不缓存
                res.set('Cache-Control', 'no-cache');

                res.render('shop/index', {
                    module: 'product',
                    page: 'shop',
                    shopIndex: result,
                    shopHeadHide: true,
                    gender: req.query.gender,
                    channel: req.query.channel,
                    title: result.seoTitle + '|' + result.seoTitle + '潮流服装服饰-Yoho!Buy有货',
                    keywords: result.seoTitle + ',' + result.seoTitle + '服装服饰,' + result.seoTitle + '潮流服装服饰',
                    description: result.seoTitle + '|Yoho!Buy有货' + result.seoTitle + '潮流服饰官方授权店！100%品牌正品保证,支持货到付款。',
                    shopId: shopId,
                    shopPage: true
                });

            });
        }
    });
};

/**
 * app设置cookie
 */
const shopAppCookie = (req, res) => {
    let allowOrigin = _.get(req, 'headers.origin', null) ?
        req.headers.origin : req.protocol + '://' + req.headers.host;

    res.setHeader('Access-Control-Allow-Origin', allowOrigin);
    res.setHeader('Access-Control-Allow-Credentials', 'true');

    let uid = req.query.uid;

    req.session.appUid = uid;
    res.cookie('appUid', uid, {
        domain: 'yohobuy.com',
        expires: new Date(Date.now() + 2592000000) // 有效期一年
    });
    res.json({
        code: 200,
        msg: 'app cookie set',
    });
};

/**
 * TODO TAR 店铺和品牌收藏状态调用新的接口
 * 前端请求判断shop是否收藏
 */
const shopFav = (req, res) => {
    let allowOrigin = _.get(req, 'headers.origin', null) ?
        req.headers.origin : req.protocol + '://' + req.headers.host;

    res.setHeader('Access-Control-Allow-Origin', allowOrigin);
    res.setHeader('Access-Control-Allow-Credentials', 'true');

    let uid = req.user.uid || req.query.uid || req.cookies.appUid || _getUidFromUserAgent(req);
    let shopId = req.query.shopId;

    listModel.getBrandFavStatus({
        uid: uid,
        id: shopId,
        type: 'shop',
    }).then(result => {
        res.json({
            code: 200,
            collect: result && result.data
        });
    });
};

// 品类落地页
const category = (req, res) => {
    let params = Object.assign({}, req.query);

    res.render('search/goods-list', {
        module: 'product',
        page: 'search-list',
        pageHeader: headerModel.setNav({
            navTitle: req.query.title || req.query.sort_name
        }),
        goodList: params,
        showDownloadApp: true,
        pageFooter: true
    });
};

/**
 * 品牌店铺的入口
 * @param req
 * @param res
 * @param next
 */
const brand = (req, res, next) => {
    let params = Object.assign({}, req.query);
    let domain = req.query.domain;
    let uid = req.user.uid;
    let brandId = 0;
    let brandLogo = {};
    let title = '';

    /* tar add 160909 如果有 shop_id 直接跳转 */
    if (req.query.shop_id) {
        _shop(req, res, req.query.shop_id);
        return;
    }

    if (!domain) {
        res.redirect('/?go=1');
        return;
    }

    listModel.getBrandLogoByDomain(domain).then(result => {
        if (!result) {
            return next();
        }

        brandLogo = result;

        title = brandLogo.name;

        if (brandLogo && brandLogo.id) {
            brandId = brandLogo.id;
        }

        params = _.assign({
            brand: brandId
        }, params);

        // 无店铺：0--->品牌页 无单品店有多品店：1--->搜索页 有单品店：2--->店铺页面
        if (req.query.from !== 'search' && brandLogo.type === '2' && brandLogo.shopId) {
            _shop(req, res, brandLogo.shopId);
        } else { // 获取品牌店铺信息
            listModel.getBrandShops(brandId).then(brandShop => {
                if (brandId === 0) {
                    params.query = domain;
                }

                // 从搜索页过来的，显示搜索框, 和进入品牌引导信息 或者品牌关联多店铺
                if (req.query.from === 'search' || brandShop.length > 0) {
                    params = _.assign({
                        brandWay: _.isEmpty(brandShop) ? brandLogo : brandShop,
                        search: {
                            default: req.query.query,
                            url: helpers.urlFormat('', null, 'search')
                        }
                    }, params);
                } else if (brandId !== 0) { // 品牌一览过来的展示品牌介绍和LOGO
                    return Promise.all([listModel.getBrandIntro(brandId, uid), listModel.getBrandBanner(brandId)]).then((resData) => { //eslint-disable-line
                        title = resData[0].title;
                        delete resData[0].title;

                        return _.assign({
                            banner: resData[1]
                        }, resData[0]);
                    });
                }
            }).then(brandHome => {
                params.brandHome = brandHome;

                if (!brandHome || !brandHome.id) {
                    res.set('Cache-Control', 'no-cache');
                }

                res.render('search/goods-list', {
                    module: 'product',
                    page: 'search-list',
                    pageHeader: headerModel.setNav({
                        navTitle: title !== '' ? title : domain
                    }),
                    goodList: params,
                    showDownloadApp: true,
                    pageFooter: true,
                    title: title + '|' + title + '潮流服装服饰-Yoho!Buy有货',
                    keywords: title + ',' + title + '服装服饰,' + title + '潮流服装服饰',
                    description: title + '|Yoho!Buy有货' + title + '潮流服饰官方授权店！100%品牌正品保证,支持货到付款。',
                    domain: req.query.domain,
                    shopPage: true
                });
            });
        }
    }).catch(next);
};

/**
 * TODO TAR 店铺和品牌收藏状态调用新的接口
 * @param req
 * @param res
 */
const brandFav = (req, res) => {
    let domain = req.query.domain;
    let uid = req.user.uid;
    let brandId = 0;

    listModel.getBrandLogoByDomain(domain).then((result) => {
        brandId = result.id;
        listModel.getBrandFavStatus({
            uid: uid,
            id: brandId,
            type: 'brand',
        }).then(result2 => {
            res.json(result2);
        });
    });
};

/**
 * 店铺简介
 * @param req
 * @param res
 * @param next
 */
const shopIntro = (req, res, next) => {
    let shopId = req.query.shop_id;
    let appVersion = req.body.appVersion || false;
    let params = {};

    if (shopId) {
        listModel.getShopIntro(shopId).then(result => {
            if (appVersion) {
                params = {
                    title: '店铺简介'
                };
            } else {
                params = {
                    pageHeader: headerModel.setNav({
                        navTitle: '店铺简介'
                    })
                };
            }

            res.render('shop/intro', _.assign(params, result, {
                module: 'product',
                page: 'intro'
            }));
        }).catch(next);
    } else {
        res.redirect('/?go=1');
    }
};

/**
 * 品牌[店铺]收藏/取消收藏
 * id 品牌ID
 * opt 操作标识("ok":表示收藏,"cancel":表示取消收藏)
 */
const favoriteBrand = (req, res, next) => {
    let allowOrigin = _.get(req, 'headers.origin', null) ?
        req.headers.origin : req.protocol + '://' + req.headers.host;

    res.setHeader('Access-Control-Allow-Origin', allowOrigin);
    res.setHeader('Access-Control-Allow-Credentials', 'true');

    let id = req.query.id;
    let uid = req.user.uid;
    let opt = req.query.opt || 'ok';
    let type = req.query.type || 'product';
    let appVersion = req.query.appVersion || false;
    let refer = req.get('referer');

    let url = helpers.urlFormat('/signin.html') + '?refer=' + refer;



    if (appVersion && appVersion !== 'false') {
        uid = req.query.uid ? crypto.decrypt('', req.query.uid) : req.cookies.appUid;
        uid = _.trim(uid);

        if (!uid || uid === 'undefined') {
            uid = _getUidFromUserAgent(req);
        }

        url = `${refer}&openby:yohobuy={"action":"go.weblogin","params":{"jumpurl":{"url":"${refer}","param":{}},"requesturl":{"param":{"method":"app.favorite.add","id":"${id}","fav_id":"${id}","type":"shop"},"url":"${_.get(global, 'yoho.API.ApiUrl', '')}"},"priority":"Y"}}`; // eslint-disable-line

    }

    if (!id) {
        return res.json({
            code: 401,
            message: '参数不正确',
            data: false
        });
    }

    if (!uid) {
        return res.json({
            code: 400,
            message: '未登录',
            data: url
        });
    }

    if (opt !== 'ok') { // 取消收藏
        listModel.setFavoriteCancel(id, uid, type).then(result => {
            res.json(result);
        }).catch(next);
    } else {
        listModel.setFavorite(id, uid, type).then(result => {
            res.json(result);
        }).catch(next);
    }
};

/**
 * 店铺品类页面
 * @param req
 * @param res
 * @param next
 */
const shopCategory = (req, res, next) => {

    listModel.getShopCategory({
        shopId: req.query.shop_id,
        channel: req.yoho.channel,
        gender: req.query.gender || '1,3'
    }).then(result => {
        res.render('shop/category', {
            content: result,
            allProduct: result.allProduct,
            module: 'product',
            page: 'category',
            pageHeader: headerModel.setNav({
                navTitle: '品类'
            }),
        });
    }).catch(next);
};

/**
 * 用戶領券
 * @param req
 * @param res
 * @param next
 */
const userCoupon = (req, res, next) => {
    let allowOrigin = _.get(req, 'headers.origin', null) ?
        req.headers.origin : req.protocol + '://' + req.headers.host;

    res.setHeader('Access-Control-Allow-Origin', allowOrigin);
    res.setHeader('Access-Control-Allow-Credentials', 'true');

    if (!req.query.couponID) {
        return;
    }

    let cryptCouponId = crypto.decrypt('', req.query.couponID);
    let uid = req.user.uid;

    if (req.yoho.isApp !== 'false') {
        uid = req.query.uid ? crypto.decrypt('', req.query.uid) : req.cookies.appUid;

        if (!uid || uid === 'undefined') {
            uid = _getUidFromUserAgent(req);
        }
    }

    if (uid) {
        listModel.receiveCoupon(
            uid,
            cryptCouponId
        ).then(result => {
            res.json(result);
            return;
        }).catch(next);
    } else {
        let refer = req.get('referer');

        if (req.yoho.isApp !== 'false') {
            let toUrl = refer + '&openby:yohobuy={"action":"go.weblogin","params":{"jumpurl":{"url":"' +
                refer +
                '","param":{}},"requesturl":{"param":{"method":"app.promotion.getCoupon","couponId":"' +
                cryptCouponId +
                '"},"url":"' +
                _.get(global, 'yoho.API.ApiUrl', '') +
                '"},"priority":"Y"}}';

            res.json({
                code: 4401,
                url: toUrl
            });

        } else {
            res.json({
                code: 4401,
                url: helpers.urlFormat('/signin.html', {refer: refer})
            });
        }


    }

};

module.exports = {
    category,
    brand,
    favoriteBrand,
    shopIntro,
    brandFav,
    shopAppCookie,
    shopFav,
    baseShopFav,
    shopCategory,
    userCoupon
};