/*
 * @Author: Targaryen
 * @Date:   2016-05-19 10:20:08
 * @Last Modified by:   Targaryen
 * @Last Modified time: 2016-06-20 21:13:00
 */

'use strict';
const api = global.yoho.API;
const Promise = require('bluebird');
const querystring = require('querystring');

const SaleApiModel = require('./sale-api');
const SearchApiModel = require('./search-api');

const publicHandler = require('./public-handler');
const saleHandler = require('./sale-handler');
const searchHandler = require('./search-handler');
const productProcess = require(`${global.utils}/product-process`);
const pager = require(`${global.utils}/pager`).setPager;
const imageHandler = require(`${global.utils}/images`).getImageUrl;
const _ = require('lodash');
const headerModel = require('../../../doraemon/models/header');

const limitNum = 60; // 商品每页显示数目

// 下一页图片
const nextPageImg = '//img10.static.yhbimg.com/product/2014/01/15/11/01fa01614784f6239760f1b749663016f1.jpg?imageMogr2/thumbnail/235x314/extent/235x314/background/d2hpdGU=/position/center/quality/90'; // eslint-disable-line

/**
 * 资源位code码
 */
const contentCode = {
    boys: {
        sale: 'f6400250a73a2a1a8764a0d9be73abf2',
        breakCode: 'a97451680222cb1b215de14bbef64921',
        vip: '0400ac0dffbb2fefe84949200cf2be4a',
        newSale: '92a69093a2ce4fc44be36907f57b01ba'
    },
    girls: {
        sale: 'd74adc70f939a6658b68386ee39199e7',
        breakCode: '91e604f06449783a5bd93c6f4f99a396',
        vip: 'e261419fde3613781a3ec9d367a2e534',
        newSale: '1c4b4939334f7f01fea3fd2e0eb311b5'
    },
    kids: {
        sale: '01937a472a5a3ccf7204f734f2506865',
        breakCode: '4c1dff47c68aace0608eb821fbaf40fd',
        vip: '40db7c9a491548fa8d441815cc7a0617',
        newSale: '0f47d972d463822f77f19a3aa5f9e57e'
    },
    lifestyle: {
        sale: '32944e49d627a031f1d7e14a1f90ccac',
        breakCode: 'c605c9d2f1a426cecad232a7d41e6b97',
        vip: '6ac5f0ee1cf0f2dab89c9cf80263028a',
        newSale: '109cd4b3c9ac17e472f3dea22b92b24d'
    }
};


/**
 * 获取Sale首页商品列表数据 仅 Ajax 调用 Controller 调用
 * @return {[type]} [description]
 */
function getSaleGoodsData(params, vipLevel) {
    return this.saleApi.getSaleGoodsList(params).then(result => {
        let finalResult = {};

        if (result.code === 200) {
            finalResult.goods = productProcess.processProductList(result.data.product_list);
            _.forEach(finalResult.goods, (value, key) => {
                delete finalResult.goods[key].tags.isNew; // 屏蔽 new 标签
                delete finalResult.goods[key].tags.isSale;// 屏蔽 sale 标签
                delete finalResult.goods[key].discount; // 屏蔽折扣信息
            });
        }

        // 处理 VIP 商品数据
        if (params.saleType === '2') {
            _.forEach(finalResult.goods, (value, key) => {

                switch (_.toString(vipLevel)) {
                    case '1':
                        finalResult.goods[key].sales_price = value.vip1_price;
                        finalResult.goods[key].vip1 = true;
                        break;
                    case '2':
                        finalResult.goods[key].sales_price = value.vip2_price;
                        finalResult.goods[key].vip2 = true;
                        break;
                    case '3':
                        finalResult.goods[key].sales_price = value.vip3_price;
                        finalResult.goods[key].vip3 = true;
                        break;
                    default:
                        finalResult.goods[key].vip = true;
                        delete finalResult.goods[key].sales_price;
                        break;
                }
            });
        }

        // 需要判断是否为今日推荐，今日推荐需要添加最后的全部商品图片
        // 今日推荐没有 sort params 所以判断 sort 即可
        if (_.isEmpty(params.sort)) {

            // 2:VIP 会员专享 1:断码区
            switch (params.saleType) {
                case '5':
                    finalResult.goods.push({
                        thumb: '//cdn.yoho.cn/yohobuy-node/assets/img/sale/all-broken.jpg',
                        url: '/product/sale/breakingYards?channel=' + params.channel,
                        noFollow: true
                    });
                    break;
                case '2':
                    finalResult.goods.push({
                        thumb: '//cdn.yoho.cn/yohobuy-node/assets/img/sale/all-vip.jpg',
                        url: '/product/sale/vip?channel=' + params.channel,
                        vipPicture: true, // 为了处理首页最后一张图片
                        noFollow: true
                    });
                    break;
                case '0':
                    finalResult.goods.push({
                        thumb: '//cdn.yoho.cn/yohobuy-node/assets/img/sale/all-sale.jpg',
                        url: '/product/sale/newSale?channel=' + params.channel,
                        noFollow: true
                    });
                    break;
                default:
                    break;
            }
        }

        return finalResult;
    });
}

/**
 * 获取 Sale 首页数据 Controller 调用
 * @return {[type]} [description]
 */
function getSaleIndexData(channel) {
    return api.all([
        headerModel.requestHeaderData(channel),
        this.saleApi.getSaleActivityList('', channel),
        this.saleApi.getSaleBannerList(contentCode[channel].sale),
        this.saleApi.getSaleGoodsList({channel: channel, saleType: '2', limit: '1'}), // 会员专享分类
        this.saleApi.getSalebreakingYardsSortList({channel: channel}), // 断码区尺码数据
        this.saleApi.getSaleGoodsList({channel: channel, limit: '1'}) // 最新降价分类
    ]).then(async result => {
        var finalResult = result[0];

        // 折扣专场活动处理
        if (result[1].code === 200) {
            if (result[1].data.length > 0) {
                finalResult.brandSale = saleHandler.handleSaleActivityData(result[1].data, channel);
            }
        }

        // 资源位数据处理
        if (result[2].code === 200 && !_.isEmpty(result[2].data)) {
            finalResult.topBanner = saleHandler.handleSaleBannerData(result[2].data);
            finalResult.activityEnter = saleHandler.handleSaleBannerSmallData(result[2].data);
        }

        // 分类处理
        finalResult.saleCategory = [];

        // 会员专享分类处理
        if (result[3].code === 200) {
            finalResult.saleCategory.push(
                Object.assign(
                    saleHandler.handleSaleCategoryData(result[3].data.filter.group_sort, '2', channel),
                    {forVip: true}
                )
            );
        }

        // 断码区分类处理
        if (result[4].code === 200) {
            let breakingSizeSort = saleHandler.handleSaleBreakingSizeData(result[4].data);

            let subResult = await this.saleApi.getSaleGoodsList({
                channel: channel,
                saleType: '5', // app 与 pc 有冲突，为 PC 加一个 5 的选项
                limit: '1',
                breakSize: breakingSizeSort.breakSize,
                breakSort: breakingSizeSort.breakSort
            });

            if (subResult.code === 200) {
                finalResult.saleCategory.push(
                    saleHandler.handleSaleCategoryData(
                        subResult.data.filter.group_sort,
                        '5',
                        channel,
                        breakingSizeSort
                    )
                );
            }
        }

        // 最新降价分类处理
        if (result[5].code === 200) {
            finalResult.saleCategory.push(
                saleHandler.handleSaleCategoryData(result[5].data.filter.group_sort, '3', channel)
            );
        }


        let saleGoods = await Promise.all(_.cloneDeep(finalResult.saleCategory).map(value => {
            return this.getSaleGoodsData(querystring.parse(_.trim(value.urlLocation, '?')));
        }));

        _.zipWith(finalResult.saleCategory, saleGoods, function(category, goods) {
            category.defaultGoods = goods.goods || [];
            return category;
        });

        return finalResult;
    });
}

/**
 * 获取 VIP 会员专享和新降价专区数据 Controller 调用
 * @return {[type]} [description]
 */
function getSaleOthersData(params, channel) {

    let promiseObject;

    // saleType: 1表示断码区，2表示会员专区，3 折扣专区，4表示奥莱，0最新降价
    if (!_.isEmpty(params)) {
        if (params.saleType === '2') {
            promiseObject = [
                headerModel.requestHeaderData(channel),
                this.saleApi.getSaleGoodsList(params),
                this.saleApi.getSaleBannerList(contentCode[channel].vip),
                this.saleApi.getSaleGoodsList({saleType: '2', limit: '1', channel: channel}),
                this.saleApi.getUserProfile(params.uid)
            ];
        } else {
            promiseObject = [
                headerModel.requestHeaderData(channel),
                this.saleApi.getSaleGoodsList(params),
                this.saleApi.getSaleBannerList(contentCode[channel].newSale),
                this.saleApi.getSaleGoodsList({limit: '1', channel: channel})
            ];
        }
    }

    return api.all(promiseObject).then(result => {
        let finalResult = result[0];

        // 获取商品数据
        if (result[1].code === 200) {
            finalResult.goods = productProcess.processProductList(result[1].data.product_list);

            if (!_.isEmpty(result[1].data.filter)) {
                // 顶部筛选条件
                finalResult.filters = publicHandler.handleSaleFilterData(result[1].data.filter, params);
            }

            // 处理排序数据
            finalResult.opts = publicHandler.handleSaleOptsData(params, result[1].data.total);
            finalResult.totalCount = result[1].data.total;
            finalResult.footPager = publicHandler.handlePagerData(result[1].data.total, params);

            // 处理所有商品标题数据
            finalResult.saleTitle = {
                name: '所有商品',
                count: result[1].data.total
            };

            _.forEach(finalResult.goods, (value, key) => {
                delete finalResult.goods[key].tags.is_new; // 屏蔽 new 标签
                delete finalResult.goods[key].tags.is_sale;// 屏蔽 sale 标签
                delete finalResult.goods[key].discount; // 屏蔽折扣信息
            });
        }

        // 获取焦点图数据
        if (result[2].code === 200) {
            finalResult.topBanner = saleHandler.handleSaleBannerData(result[2].data);
            if (params.saleType !== '2') {
                _.forEach(finalResult.topBanner.list, (value, key) => {
                    delete finalResult.topBanner.list[key].href;
                });
            }
        }

        // 获取分类筛选数据
        if (result[3].code === 200) {

            // 获取左侧类目数据
            finalResult.leftContent = publicHandler.handleSaleSortData(result[3].data.filter.group_sort, params);

        }

        if (!_.isEmpty(result[4])) {
            // 处理 VIP 商品数据
            if (result[4].code === 200 && parseInt(params.saleType, 10) === 2) {
                let vipInfo = _.get(result, '[4].data.vip_info', {});

                _.forEach(finalResult.goods, (value, key) => {

                    switch (vipInfo.cur_level) {
                        case '1':
                            finalResult.goods[key].sales_price = value.vip1_price;
                            finalResult.goods[key].vip1 = true;
                            break;
                        case '2':
                            finalResult.goods[key].sales_price = value.vip2_price;
                            finalResult.goods[key].vip2 = true;
                            break;
                        case '3':
                            finalResult.goods[key].sales_price = value.vip3_price;
                            finalResult.goods[key].vip3 = true;
                            break;
                        default:
                            finalResult.goods[key].vip = true;
                            delete finalResult.goods[key].sales_price;
                            break;
                    }

                });
            }
        }

        return finalResult;
    });
}


/**
 * 设置折扣专场TDK
 * @return {[object]} [tdk]
 */
function _setSaleDiscountData(info) {
    let title = _.get(info, 'saleTitle.title', '');
    let keyWordsArr = [title];

    _.forEach(_.get(info, 'leftContent.allSort.list', []), value => {
        keyWordsArr.push(`潮流折扣${value.name}`);
    });

    return {
        title: `【${title}】潮流折扣商品|YOHO!BUY 有货`,
        keywords: _.take(keyWordsArr, 5).join(','),
        description: `有货网为您提供大量${title}商品，支持货到付款，质量保证，让您全面了解${title}商品价格、品牌、图片、折扣等方面信息，想网购${title}商品就上有货网！`  // eslint-disable-line
    };
}

/**
 * 获取折扣专场数据 Controller 调用
 * @return {[type]} [description]
 */
function getSaleDiscountData(params, channel) {
    return api.all([
        headerModel.requestHeaderData(channel),
        this.saleApi.getSaleActivityList(params, channel)
    ]).then(result => {
        let finalResult = result[0];

        // 默认order: ''
        if (_.isEmpty(params.order)) {
            Object.assign(params, {order: ''});
        }

        // 处理折扣专场标题 banner 数据
        if (result[1].code === 200) {
            if (_.size(result[1].data) === 1) {
                finalResult.saleTitle = saleHandler.handleDiscountTitleData(result[1].data[0]);
                if (result[1].data[0].web_url) {
                    finalResult.topBanner = {
                        list: [
                            {
                                img: result[1].data[0].web_url
                            }
                        ]
                    };
                }
            }

            // 这里把 channel 全都处理掉，因为根据channel查小分类，而传入商品池时，不需要
            return api.all([
                this.saleApi.getSaleGoodsList({
                    channel: null,
                    saleType: '3',
                    limit: '1',
                    productPool: result[1].data[0].product_pool
                }),
                this.saleApi.getSaleGoodsList(Object.assign({}, params, {
                    channel: null,
                    productPool: result[1].data[0].product_pool
                }))
            ]).then(subResult => {

                // 处理分页等筛选信息
                if (subResult[0].code === 200) {
                    Object.assign(finalResult, {
                        leftContent: publicHandler.handleSaleSortData(subResult[0].data.filter.group_sort,
                            params, 'discount'),
                        saleList: {
                            footPager: publicHandler.handlePagerData(subResult[0].data.total, params),
                            opts: publicHandler.handleSaleOptsData(params, subResult[0].data.total, 'default')
                        }
                    });
                }

                // 处理商品数据，顶部分类
                if (subResult[1].code === 200) {
                    let sknArr = [];

                    finalResult.saleList.goods = productProcess.processProductList(subResult[1].data.product_list);
                    finalResult.saleList.totalCount = subResult[1].data.total;
                    _.forEach(finalResult.saleList.goods, (value, key) => {
                        if (sknArr.length < 3) {
                            sknArr.push(value.product_skn);
                        }
                        delete finalResult.saleList.goods[key].tags.is_new; // 屏蔽 new 标签
                        delete finalResult.saleList.goods[key].tags.is_sale;// 屏蔽 sale 标签
                        delete finalResult.saleList.goods[key].discount; // 屏蔽折扣信息
                    });

                    finalResult.criteo = {skn: sknArr}; // 重要：推广列表前三个商品Skn
                }

                finalResult.seo = _setSaleDiscountData(finalResult);

                return finalResult;
            });
        }
        return finalResult;
    });
}

/**
 * 获取断码区数据 Controller 调用
 * @param params
 * @param channel
 * @returns {*|Promise.<TResult>}
 */
function getSalebreakingYardsData(params, channel) {
    return api.all([
        headerModel.requestHeaderData(channel),
        this.saleApi.getSaleBannerList(contentCode[channel].breakCode),
        this.saleApi.getSalebreakingYardsSortList(params)
    ]).then(result => {
        let finalResult = result[0];

        // 处理 banner 数据
        if (result[1].code === 200) {
            finalResult.topBanner = saleHandler.handleSaleBannerData(result[1].data);
            _.forEach(finalResult.topBanner.list, (value, key) => {
                delete finalResult.topBanner.list[key].href;
            });
        }

        // 断码区产品筛选需要断码区尺码数据，改为串行处理
        if (result[2].code === 200) {
            let breakingSizeSort = saleHandler.handleSaleBreakingSizeData(result[2].data);
            let breakParam = {}; // 为断码区筛选参数存储，为了不影响 params ，否则会导致链接过长

            if (params.sort) {
                Object.assign(breakParam, params);
            } else {
                Object.assign(breakParam, params, {
                    breakSize: breakingSizeSort.breakSize,
                    breakSort: breakingSizeSort.breakSort
                });
            }

            return api.all([
                this.saleApi.getSaleGoodsList({
                    channel: channel,
                    saleType: '5', // app 与 pc 有冲突，为 PC 加一个 5 的选项
                    limit: '1',
                    breakSize: breakingSizeSort.breakSize,
                    breakSort: breakingSizeSort.breakSort
                }),
                this.saleApi.getSaleGoodsList(breakParam)
            ]).then(subResult => {
                // 处理筛选条件数据
                if (subResult[0].code === 200) {
                    finalResult.leftContent =
                        publicHandler.handleSaleSortData(subResult[0].data.filter.group_sort, params);
                }

                // 处理商品数据
                if (subResult[1].code === 200) {

                    if (!_.isEmpty(subResult[1].data.filter)) {
                        finalResult.filters = publicHandler.handleSaleFilterData(
                            Object.assign(subResult[1].data.filter, {size: result[2].data}),
                            params);
                    }
                    Object.assign(finalResult, {
                        goods: productProcess.processProductList(subResult[1].data.product_list),
                        opts: publicHandler.handleSaleOptsData(params, subResult[1].data.total),
                        totalCount: subResult[1].data.total,
                        footPager: publicHandler.handlePagerData(subResult[1].data.total, params)
                    });

                    // 处理所有商品标题数据
                    finalResult.saleTitle = {
                        name: '所有商品',
                        count: subResult[1].data.total
                    };

                    _.forEach(finalResult.goods, (value, key) => {
                        delete finalResult.goods[key].tags.is_new; // 屏蔽 new 标签
                        delete finalResult.goods[key].tags.is_sale;// 屏蔽 sale 标签
                        delete finalResult.goods[key].discount; // 屏蔽折扣信息
                    });
                }
                return finalResult;
            });
        } else {
            return Promise.reject();
        }
    });
}


/**
 * 获取sale活动数据（原sale.yohobuy.com）
 * @param params
 * @param channel
 * @returns {*|Promise.<TResult>}
 */
function getSaleSpecialData(id, params, channel) {
    const limit = params.limit ? params.limit - 1 : limitNum - 1;  // 最后一个商品是翻页
    const page = params.page || 1;
    const defaultParam = {specialsale_id: id};

    return this.saleApi.getSaleSpecialAsync(id).then(special => {
        let resData = {
                latestWalk: 6
            },
            apiList = [
                headerModel.requestHeaderData(channel),
                this.searchApi.getSortList(defaultParam)
            ];

        if (special && special.data) {
            let data = special.data,
                condition = Object.assign({}, params, {
                    page: page,
                    limit: limit,
                    attribute_not: 2
                });
            let banner = data.banner_img ? JSON.parse(data.banner_img) : [];

            Object.assign(resData, {
                mainBanner: {
                    src: imageHandler(_.get(banner, '[0].img', ''), 1920, 350, 1, 'couponImg')
                },
                specialHead: {
                    title: '全部商品',
                    count: 0
                },
                node: data.left_ad_code // 水牌node
            });

            // // 传品牌ID参数
            // if (data.brand_id) {
            //     condition.brand = data.brand_id;
            // }

            // 传促销id,促销id为空时传专区id
            if (data.ispromotion) {
                condition.promotion = data.ispromotion;
            }

            // 搜索sale活动商品
            apiList.push(this.searchApi.getProductList(condition, 'promotion'));
        }

        return Promise.all(apiList).then(result => {
            if (!_.isEmpty(result[0])) {
                resData.headerData = Object.assign(result[0].headerData, {header: true});
            }

            if (!_.isEmpty(result[1])) {
                resData.leftContent = searchHandler.handleSortData(_.get(result[1],
                    'data', []), defaultParam, params);
            }

            if (!_.isEmpty(result[2])) {
                let tip = {
                    start: (_.get(result[2], 'data.page', 1) - 1) * limitNum + 1,
                    total: _.get(result[2], 'data.total', 0)
                };

                tip.end = tip.start + limit - 1;
                if (tip.end > tip.total) {
                    tip.end = tip.total;
                }

                resData.specialHead.count = tip.total;
                Object.assign(resData, {
                    filters: searchHandler.handleFilterDataAll(_.get(result[2], 'data', {}), params),
                    opts: searchHandler.handleOptsData(params, tip.total),
                    goods: productProcess.processProductList(_.get(result[2], 'data.product_list', []),
                        {from: {type: 'saleSpecial', params: params}}),
                    footPager: {tip: tip}
                });

                if (_.has(resData, 'filters.checkedConditions')) {
                    _.set(resData, 'filters.checkedConditions.clearUrl', `?specialsale_id=${id}`);
                }

                // 设置分页
                Object.assign(resData.footPager,
                    pager(_.get(result[2], 'data.page_total', 0), params));

                if (_.has(resData, 'footPager.nextPage')) {
                    resData.hasNextPage = {
                        href: _.get(resData, 'footPager.nextPage.url', ''),
                        src: nextPageImg
                    };
                }
            }

            let specialName = _.get(special, 'data.special_name', '活动专区');

            Object.assign(resData, {
                title: `${specialName}|限时折扣|YOHO!BUY有货`,
                keywords: `${specialName}，限时折扣，折扣商品`,
                description: `有货网为您带来限时${specialName}，大量限时折扣商品，优惠幅度大，支持货到付款，让您全面了解限时${specialName}商品价格、品牌、图片、折扣等方面信息，想网购限时${specialName}商品就上有货网！` // eslint-disable-line
            });

            return resData;
        });
    });
}

module.exports = class extends global.yoho.BaseModel {
    constructor(ctx) {
        super(ctx);

        this.saleApi = new SaleApiModel(ctx);
        this.searchApi = new SearchApiModel(ctx);

        this.getSaleGoodsData = getSaleGoodsData.bind(this);
        this.getSaleIndexData = getSaleIndexData.bind(this);
        this.getSaleOthersData = getSaleOthersData.bind(this);
        this.getSaleDiscountData = getSaleDiscountData.bind(this);
        this.getSalebreakingYardsData = getSalebreakingYardsData.bind(this);
        this.getSaleSpecialData = getSaleSpecialData.bind(this);
    }
};