/*
 * @Author: sefon
 * @Date:   2016-06-02 15:50:47
 * @Last Modified by:   Targaryen
 * @Last Modified time: 2016-06-22 18:36:26
 */

'use strict';
const _ = require('lodash');
const helpers = global.yoho.helpers;
const crypto = global.yoho.crypto;
const queryString = require('querystring');
const logger = global.yoho.logger;
const indexUrl = {
    boys: helpers.urlFormat('/'),
    girls: helpers.urlFormat('/woman'),
    kids: helpers.urlFormat('/kids'),
    lifestyle: helpers.urlFormat('/lifestyle')
};
const utils = '../../../utils';
const stringCode = require(`${utils}/string-code`);

// 打折、新品、限量
const checksName = {
    new: '新品',
    specialoffer: '打折',
    limited: '限量'
};

const sortFilterParam = (param) => {
    let resData = [];

    _.forEach(param, (value, key) => {
        resData.push({
            key: key,
            value: value
        });
    });

    return _.sortBy(resData, [o => {
        return o.key;
    }]);
};

/**
 * 处理用于筛选的 URL ， 拼接 URL 参数
 * @param originParam 当前 URL 中的参数
 * @param newParam 要拼接的 参数
 * @returns {string}
 */
const handleFilterUrl = (originParam, newParam, delParam) => {
    let dest = '?';
    let tempOriginParam = {};

    delParam = delParam || {};

    tempOriginParam = Object.assign(tempOriginParam, originParam, newParam);
    delete tempOriginParam.uid;

    _.forEach(sortFilterParam(tempOriginParam), info => {
        if (!delParam[info.key] && info.value) {
            // NOTE: 这里会对 query 进行编码，因为 query 有可以能是中文
            if (info.key === 'query') {
                info.value = encodeURIComponent(info.value);
            }
            dest += `${info.key}=${info.value}&`;
        }
    });

    return _.trim(dest, '&');
};

/**
 * 处理选中数据
 * @param  {[type]} params [description]
 * @param  {[type]} origin [description]
 * @param  {[type]} param  [description]
 * @return {[type]}        [description]
 */
const handleCheckedData = (params, origin, param) => {
    let dest = [];

    if (!_.isEmpty(origin)) {
        _.forEach(origin, value => {
            if (value.checked) {
                let tempPatam = _.cloneDeep(params);

                // 删除选中
                if (param === 'gender') {
                    // 某些特殊带频道信息页面，清除性别，需将gender设为1，2，3 （2017-3 配合SEO进行URL改造）
                    tempPatam[param] = '1,2,3';
                } else {
                    delete tempPatam[param];
                }

                dest.push({
                    name: value.name,
                    href: handleFilterUrl(tempPatam),
                    itemType: param
                });
            }
        });
    }
    return dest;
};

/**
 * 处理品牌筛选数据
 * @param params
 * @param origin
 * @returns {{}}
 */
const handleBrandCheckedData = (params, origin) => {
    let dest = [];

    // 分拆品牌参数
    let brands = _.split(params.brand, ',');
    let intBrands = [];

    _.forEach(brands, value => {
        intBrands.push(parseInt(value, 10));
    });

    let checkedCount = 0,
        brandsTotalName = '';

    // 遍历品牌数据，如果在参数中，那么加 checked，将此数据加入到 checked 数组中
    if (!_.isEmpty(origin)) {

        brandsTotalName = _.map(origin, 'name').join('、');
        _.forEach(origin, (value) => {
            if (typeof _.find(intBrands, o => {
                return _.isEqual(o, +value.id);
            }) !== 'undefined') {
                let checked = {
                    name: value.name
                }; // push 到已选择数组

                // 为了不污染原始数据
                let tempIntBrands = _.cloneDeep(intBrands);

                // 去掉当前选项
                _.remove(tempIntBrands, n => {
                    return n === value.id;
                });

                // 拼接参数
                let brand = '';

                // 建议保留，需要品牌可以单个删除时放开注释即可
                // _.forEach(tempIntBrands, subValue => {
                //     brand += subValue + ',';
                // });

                // 清除参数，保留没有去掉的参数
                let tempParam = {
                    brand: brand
                };

                checked.href = handleFilterUrl(params, tempParam);
                checked.itemType = 'brand';
                if (checkedCount === 0) {
                    dest[0] = checked;
                } else if (checkedCount === 1) {
                    dest[0].name += '、' + checked.name.substring(0, 3) + '...';
                }
                checkedCount++;

                // 建议保留，需要品牌可以单个删除时放开注释即可
                // dest.push(checked);
                dest[0].totalName = brandsTotalName;
            }
        });

    }
    return dest;
};

/**
 * 新品、折扣、限量
 */
const hadleChecks = (name, params, filter) => {
    let tempParam = _.cloneDeep(params),
        checked = false;

    if (!params[name] && !filter[name]) {
        return null;
    }

    if (params[name] && params[name] === 'Y') {
        checked = true;
        delete tempParam[name];
    } else {
        tempParam[name] = 'Y';
    }

    return {
        name: checksName[name],
        checked: checked,
        href: handleFilterUrl(tempParam)
    };
};

/**
 * 获取standard
 */
const getStandard = (qStandard, addOne, delOne) => {
    let s = [];

    qStandard = Object.assign({}, qStandard);
    if (addOne && addOne.k) {
        qStandard[addOne.k] = addOne.v;
    }

    if (delOne && delOne.k && qStandard[delOne.k]) {
        delete qStandard[delOne.k];
    }

    _.each(qStandard, (val, key) => {
        if (!delOne || !delOne.k || delOne.v !== val) {
            s.push([key, val].join('_'));
        }
    });

    return s.join(',');
};

const formatterFilterBrands = (source, paramBrand, params) => {

    let dbrand = {
        default: [],
        brandsShow: [],
        brandIndex: [{
            index: 'all',
            name: '全部'
        }, {
            index: '0-9',
            name: '0~9'
        }],
        selectedBrands: []
    };


    // 品牌索引数据处理
    for (let i = 65; i < 91; i++) {
        dbrand.brandIndex.push({
            index: String.fromCharCode(i).toLowerCase(),
            name: String.fromCharCode(i)
        });
    }

    // 品牌数据处理
    // 分拆品牌参数
    let brands = _.split(params.brand, ',');
    let intBrands = [];

    _.forEach(brands, value => {
        intBrands.push(parseInt(value, 10));
    });

    if (source) {
        let count = 0;
        let checkedBrand = [];

        _.forEach(source, function(value) {
            let brand = {
                checked: (typeof _.find(intBrands, o => {
                    return _.isEqual(o, +value.id);
                }) !== 'undefined'),
                href: handleFilterUrl(params, {brand: value.id}),
                name: value.brand_name,
                key: value.brand_domain,
                id: value.id
            };

            if (!_.isEmpty(value.brand_alif)) {
                if (!_.isNaN(parseInt(value.brand_alif, 10))) {
                    brand.index = '0-9';
                } else {
                    brand.index = value.brand_alif.toLowerCase();
                }
            }

            if (count < 10) {
                dbrand.default.push(brand);
            }

            if (brand.checked) {
                checkedBrand.push(brand);
            }

            dbrand.brandsShow.push(brand);
            count++;
        });

        if (dbrand.default.length > 9) {
            Object.assign(dbrand, {
                showMore: true,
                showMulti: true
            });
        }
        if (paramBrand) {
            _.forEach(paramBrand, value => {
                let brand = {
                    href: handleFilterUrl(params, {brand: value.id}),
                    name: value.brand_name,
                    key: value.brand_domain,
                    id: value.id
                };

                dbrand.selectedBrands.push(brand);
            });
        } else { // 当接口不返回paramBrand时，选中品牌设为遍历匹配出的品牌
            dbrand.selectedBrands = checkedBrand;
        }

        // 没有品牌的情况下将 brand 设置为 false，前端不显示 品牌
        if (_.size(dbrand.brandsShow) <= 0) {
            return false;
        } else {
            // 品牌排序
            dbrand.brandsShow = _.sortBy(dbrand.brandsShow, o => {
                return o.index;
            });
        }
    }

    return dbrand;
};


/**
 * 处理 opts 排序数据
 * @param params
 * @param total
 * @param extra 什么都可以传进来，多个参数传Object
 * @returns {{}}
 */
exports.handleOptsData = (params, total, extra) => {
    let dest = {
        sortType: [],
        checks: []
    };

    // 用来标记是否是折扣专场，折扣专场只需要前三个排序参数
    let count = (extra === 'discont') ? 4 : 5;

    for (let i = 0; i < count; i++) {
        let opt = {};

        switch (i) {
            case 0:
                opt.href = handleFilterUrl(params, {}, {page: true, order: true});
                if (extra === 'discont') { // 如果是折扣专场
                    opt.name = '全部';
                    if (_.isEmpty(params.order) || params.order === 's_t_desc') {
                        opt.active = true;
                    } else {
                        opt.active = false;
                    }
                } else {
                    opt.name = '默认';
                    if (_.isEmpty(params.order) || params.order === 's_n_desc') {
                        opt.active = true;
                    } else {
                        opt.active = false;
                    }
                }
                break;
            case 1:
                opt.name = '人气';
                opt.href = handleFilterUrl(params, {order: 'h_v_desc'}, {page: true});

                if (params.order === 'h_v_desc') {
                    opt.active = true;
                } else {
                    opt.active = false;
                }
                break;
            case 2:
                if (params.order !== 's_t_desc' && params.order !== 's_t_asc') {
                    opt.href = handleFilterUrl(params, {order: 's_t_desc'}, {page: true});
                    opt.hasSortOrient = true;
                } else {
                    opt.hasSortOrient = true;
                    opt.active = true;
                    if (params.order === 's_t_desc') {
                        opt.href = handleFilterUrl(params, {order: 's_t_asc'}, {page: true});
                        opt.desc = false;
                    } else {
                        opt.href = handleFilterUrl(params, {order: 's_t_desc'}, {page: true});
                        opt.desc = true;
                    }
                }

                opt.name = '新品';
                break;
            case 3:
                if (params.order !== 's_p_desc' && params.order !== 's_p_asc') {
                    opt.href = handleFilterUrl(params, {order: 's_p_desc'}, {page: true});
                    opt.hasSortOrient = true;
                } else {
                    opt.hasSortOrient = true;
                    opt.active = true;
                    if (params.order === 's_p_desc') {
                        opt.href = handleFilterUrl(params, {order: 's_p_asc'}, {page: true});
                        opt.desc = false;
                    } else {
                        opt.href = handleFilterUrl(params, {order: 's_p_desc'}, {page: true});
                        opt.desc = true;
                    }
                }

                opt.name = '价格';
                break;
            case 4:
                if (params.order !== 'p_d_desc' && params.order !== 'p_d_asc') {
                    opt.href = handleFilterUrl(params, {order: 'p_d_desc'}, {page: true});
                    opt.hasSortOrient = true;
                } else {
                    opt.hasSortOrient = true;
                    opt.active = true;
                    if (params.order === 'p_d_desc') {
                        opt.href = handleFilterUrl(params, {order: 'p_d_asc'}, {page: true});
                        opt.desc = false;
                    } else {
                        opt.href = handleFilterUrl(params, {order: 'p_d_desc'}, {page: true});
                        opt.desc = true;
                    }
                }

                opt.name = '折扣';
                break;
            default:
                break;
        }

        dest.sortType.push(opt);
    }

    // 上下翻页数据处理
    dest.pageCounts = [{
        href: handleFilterUrl(params, {limit: 40}, {page: true}),
        count: 60
    }, {
        href: handleFilterUrl(params, {limit: 100}, {page: true}),
        count: 100
    }, {
        href: handleFilterUrl(params, {limit: 200}, {page: true}),
        count: 200
    }];

    dest.curPage = _.isEmpty(params.page) ? 1 : params.page; // 当前页码数

    // 每页商品数量
    dest.countPerPage = _.isEmpty(params.limit) ? 40 : params.limit;

    // 全部页码数量
    dest.pageCount = _.ceil(total / (dest.countPerPage - 1));

    // 每页多少商品
    let paramsLimit = parseInt((_.isEmpty(params.limit) ? 60 : params.limit), 10);

    // 上一页下一页
    let preHref = (!_.isEmpty(params.page) && parseInt(params.page, 10) > 1) ?
        parseInt(params.page, 10) - 1 : 1;
    let nextHref = (!_.isEmpty(params.page)) ? parseInt(params.page, 10) + 1 : 2;

    params.page = _.isEmpty(params.page) ? 1 : params.page;

    if (dest.pageCount > 1 && (parseInt(params.page, 10) !== 1) &&
        (parseInt(params.page, 10) !== dest.pageCount)) {
        dest.preHref = handleFilterUrl(params, {page: preHref});
        dest.nextHref = handleFilterUrl(params, {page: nextHref});
    } else if (dest.pageCount > 1 && (parseInt(params.page, 10) === 1 || _.isEmpty(params.page))) {
        dest.nextHref = handleFilterUrl(params, {page: nextHref});
    } else if (dest.pageCount > 1 && (parseInt(params.page, 10) === dest.pageCount)) {
        dest.preHref = handleFilterUrl(params, {page: preHref});
    }

    // 全部商品数
    dest.totalCount = total;

    // 商品开始结束数
    dest.start = (!_.isEmpty(params.page) ? (params.page - 1) : 0) * paramsLimit + 1;
    if (total < paramsLimit) {
        dest.end = total;
    } else {
        dest.end = (dest.pageCount === parseInt(params.page, 10)) ?
            total : parseInt(dest.start, 10) + paramsLimit - 1;
    }

    if (extra) {
        // 新品
        dest.checks.push(hadleChecks('new', params, extra));

        // 打折
        dest.checks.push(hadleChecks('specialoffer', params, extra));

        // 限量
        dest.checks.push(hadleChecks('limited', params, extra));

        dest.checks = _.filter(dest.checks, chk => {
            return chk !== null;
        });
    }
    return dest;
};

/**
 * 处理页面左侧分类筛选数据
 * @param origin 分类原始数据，一般是接口返回数据中的 group_sort 字段
 * @param params 当前 URL 中已有的参数
 * @param extra 可以任意传值用来处理特殊情况
 * @param {string} [baseUrl] 需要跳转非当前页面传的相对路径（可不传，默认为空字符串）
 * @returns {{}}
 */
exports.handleSortData = (origin, params, originParams, baseUrl) => {
    let leftContent = {
        sort: {misort: []},
        checked: []
    };

    let list = [],
        allCount = 0;

    baseUrl = baseUrl || '';

    let all = [{
        name: '全部品类',
        num: allCount,
        href: `${baseUrl}${handleFilterUrl(params, {}, {msort: true, misort: true, sort: true, category_id: true})}`
    }];

    originParams = originParams || {};

    _.forEach(origin, value => {
        let equalCategory = `${originParams.category_id}` === `${value.category_id}`;
        let category = {
            categoryId: value.category_id,
            name: value.category_name,
            num: value.node_count,
            childList: [
                {
                    categoryId: value.category_id,
                    name: `全部${value.category_name}`,
                    num: value.node_count,
                    href: `${baseUrl}${handleFilterUrl(params, {category_id: value.category_id}, {
                        msort: true,
                        misort: true,
                        sort: true
                    })}`,
                    childActive: equalCategory
                }
            ]
        };

        allCount += parseInt(value.node_count, 10);

        if (equalCategory) {
            category.active = true;
        }

        _.forEach(value.sub, subValue => {
            let child = {
                categoryId: subValue.category_id,
                name: subValue.category_name,
                num: subValue.node_count,
                href: `${baseUrl}${handleFilterUrl(params, {category_id: subValue.category_id}, {
                    msort: true,
                    misort: true,
                    sort: true
                })}`,
                childActive: `${originParams.category_id}` === `${subValue.category_id}`
            };

            category.childList.push(child);

            if (child.childActive) {
                category.active = true;
            }
        });

        list.push(category);
    });

    leftContent.allSort = {all: all, list: list};

    return leftContent;
};

/**
 * 店铺品类聚合
 * @param data 分类数据
 * @returns {{}}
 */
exports.setShopSort = (data, params) => {
    let resData = {};

    if (!_.isEmpty(data)) {
        let list = [];

        _.forEach(data, value => {
            _.forEach(value.sub, subValue => {
                list.push({
                    name: subValue.category_name,
                    href: handleFilterUrl(params, {category_id: subValue.category_id}),
                    curMenu: `${params.category_id}` === `${subValue.category_id}`
                });
            });
        });

        if (list.length) {
            resData.goodsMenu = {
                menuList: list,
                url: `/product/shoplist?navBar=1&shopId=${params.shopId}`
            };
        }
    }

    return resData;
};

/**
 * 店铺性别筛选
 * @param params qs
 * @returns {{}}
 */
exports.setGenderFilter = (params) => {
    return {
        genderFilter: [
            {
                name: '全部',
                href: handleFilterUrl(params, {}, {gender: true}),
                checked: !params.gender || params.gender === '1,2,3'
            },
            {
                name: 'BOYS',
                href: handleFilterUrl(params, {gender: '1,3'}),
                checked: params.gender === '1,3'
            }, {
                name: 'GIRLS',
                href: handleFilterUrl(params, {gender: '2,3'}),
                checked: params.gender === '2,3'
            }
        ]
    };
};

/**
 * 处理一般筛选数据
 * @param origin 要处理的筛选数据 filter
 * @param params 当前 URL 中已有的参数，处理选中状态使用
 * @returns {{}}
 */
exports.handleFilterData = (origin, params, total) => {
    let dest = {
        ageLevel: [],
        price: [],
        gender: [],
        color: [],
        checkedConditions: {
            conditions: []
        }
    };

    if (origin.brand) {
        dest.brand = formatterFilterBrands(origin.brand, origin.paramBrand, params);
    }

    // 处理价格筛选数据
    let priceRangechecked = false;

    if (!_.isEmpty(origin.priceRange)) {
        let customPrice = _.split(params.price, ',');

        _.forEach(origin.priceRange, (value, key) => {
            if (params.price === key) {
                priceRangechecked = true;
            }
            if (_.isString(value)) {
                value = _.replace(value, '￥', '¥');
            }
            let price = {
                checked: params.price === key,
                href: handleFilterUrl(params, {price: key}),
                name: value,
                order: +key.split(',')[0]
            };

            dest.price.push(price);
        });

        // 价格排序
        dest.price = _.sortBy(dest.price, (item) => {
            return item.order;
        });

        dest.customPrice = {
            min: customPrice[0],
            max: customPrice[1]
        };
    }

    // 处理用户自主填写的价格区间
    if (!priceRangechecked && params.price) {
        let customPrice = _.split(params.price, ','),
            min = customPrice[0] || 0,
            name;

        customPrice[0] = customPrice[0];
        name = `¥ ${min}-${customPrice[1]}`;

        if (!customPrice[1]) {
            customPrice[1] = '';
            name = `¥ ${min}以上`;
        }

        dest.customPrice = {
            min: customPrice[0],
            max: customPrice[1]
        };
        dest.checkedConditions.conditions.push({
            name: name,
            itemType: 'price',
            href: handleFilterUrl(params, {}, {price: true})
        });
    }

    // 处理性别数据
    dest.gender = [{
        name: 'BOYS',
        href: handleFilterUrl(params, {gender: '1,3'}),
        checked: params.gender === '1,3'
    }, {
        name: 'GIRLS',
        href: handleFilterUrl(params, {gender: '2,3'}),
        checked: params.gender === '2,3'
    }];

    // 尺码处理
    if (!_.isEmpty(origin.size) && params.category_id) {

        dest.size = [];

        if (_.isArray(origin.size)) {
            _.forEach(origin.size, value => {
                dest.size.push({
                    checked: parseInt(params.size, 10) === parseInt(value.size_id, 10),
                    href: handleFilterUrl(params, {
                        size: value.size_id
                    }),
                    name: value.size_name
                });
            });
        } else {
            dest.size.push({
                checked: parseInt(params.size, 10) === parseInt(origin.size.size_id, 10),
                href: handleFilterUrl(params, {
                    size: origin.size.size_id
                }),
                name: origin.size.size_name
            });
        }

        dest.checkedConditions.conditions = _.union(dest.checkedConditions.conditions,
            handleCheckedData(params, dest.size, 'size'));
    }

    // 处理颜色筛选数据
    if (!_.isEmpty(origin.color)) {
        _.forEach(origin.color, (value) => {
            value.color_code = value.color_code.replace(/#/ig, '');

            let color = {
                checked: parseInt(params.color, 10) === parseInt(value.color_id, 10),
                href: handleFilterUrl(params, {color: value.color_id}),
                name: value.color_name,
                rgb: value.color_value ? 'url(' + value.color_value.replace('http://', '//') + ')' : '#' + value.color_code
            };

            // 处理颜色选中数据
            if (color.checked) {
                let href = handleFilterUrl(params, null, {color: value.color_id});

                dest.checkedConditions.conditions.push({
                    itemType: 'color',
                    name: value.color_name,
                    href: href,
                    color: color.rgb
                });
            }

            dest.color.push(color);
        });
    }

    // 处理年龄段
    if (!_.isEmpty(origin.ageLevel)) {

        // 只有一个默认选中
        let isChecked = origin.ageLevel.length === 1;

        do { // eslint-disable-line
            if (isChecked && origin.ageLevel[0].name === '成人' && +params.age_level !== 1) {
                break;
            }

            _.forEach(origin.ageLevel, (value) => {
                let ageLevel = {
                    checked: params.age_level === value.id || isChecked,
                    href: handleFilterUrl(params, {age_level: value.id}),
                    name: value.name
                };

                // 处理颜色年龄段数据
                if (ageLevel.checked || isChecked) {
                    ageLevel.href = handleFilterUrl(params, null, {age_level: value.id});
                    dest.checkedConditions.conditions.push(ageLevel);
                }

                dest.ageLevel.push(ageLevel);
            });
        } while (false);
    }

    // 清除所有选中数据
    // 某些特殊带频道信息页面，清除性别，需将gender设为1，2，3 （2017-3 配合SEO进行URL改造）
    let remainParams = {gender: '1,2,3'};

    if (params.id) {
        remainParams.id = params.id;
    }

    if (params.union_type) {
        remainParams.union_type = params.union_type;
    }

    dest.checkedConditions.clearUrl = '?' + queryString.stringify(remainParams);

    // 处理频道筛选数据
    dest.checkedConditions.conditions = _.union(dest.checkedConditions.conditions,
        handleCheckedData(params, dest.gender, 'gender'));

    // 处理品牌筛选数据
    if (dest.brand && dest.brand.brandsShow) {

        dest.checkedConditions.conditions = _.union(dest.checkedConditions.conditions,
            handleBrandCheckedData(params, dest.brand.selectedBrands));
    }

    // 处理价格筛选数据
    dest.checkedConditions.conditions = _.union(dest.checkedConditions.conditions,
        handleCheckedData(params, dest.price, 'price'));

    // 商品记录小于10，不显示价格区间
    if (total && total < 10) {
        dest.price = null;
    }

    return dest;
};

/**
 * 处理高级选项数据
 * @param origin 要处理的筛选数据 filter
 * @param params 当前 URL 中已有的参数，处理选中状态使用
 * @returns {{}}
 */
exports.handleSeniorFilterData = (data, params) => {
    let resData = {};

    if (data) {
        let chose = [];
        let conditions = [];

        if (!_.isEmpty(data.style)) {
            let sub = [],
                conName = [];
            let styles = _.split(_.get(params, 'style', ''), ',');

            _.forEach(data.style, value => {
                let ched = styles.indexOf(`${value.style_id}`) >= 0;

                if (ched && conName.length < 2) {
                    conName.push(value.style_name);
                }
                sub.push({
                    id: value.style_id,
                    checked: ched,
                    href: handleFilterUrl(params, {style: value.style_id}),
                    name: value.style_name
                });
            });

            if (conName.length) {
                conditions.push({
                    name: _.join(conName, '、'),
                    itemType: '风格',
                    href: handleFilterUrl(params, {}, {style: true})
                });
            }

            if (sub && sub.length > 1) {
                chose.push({
                    name: '风格',
                    showMulti: true,
                    sub: sub,
                    attr: 'style'
                });
            }
        }

        if (!_.isEmpty(data.standard)) {
            let qStandardStr = (params && params.standard) || '';
            let qStandard = {};

            _.forEach(qStandardStr.split(','), value => {
                let val = value.split('_');

                if (val && val.length >= 2) {
                    qStandard[parseInt(val[0], 10)] = parseInt(val[1], 10);
                }
            });

            _.forEach(data.standard, value => {
                if (!value) {
                    return;
                }

                let sub = [],
                    standardName = value.standard_name;

                _.forEach(value.sub, subValue => {
                    let ched = qStandard[value.standard_id] === parseInt(subValue.standard_id, 10);

                    if (ched) {
                        conditions.push({
                            name: subValue.standard_name,
                            itemType: standardName,
                            href: handleFilterUrl(params, {
                                standard: getStandard(qStandard, null, {
                                    k: value.standard_id,
                                    v: subValue.standard_id
                                })
                            })
                        });
                    }

                    sub.push({
                        id: value.standard_id,
                        checked: ched,
                        href: handleFilterUrl(params, {
                            standard: getStandard(qStandard, {
                                k: value.standard_id,
                                v: subValue.standard_id
                            })
                        }),
                        name: subValue.standard_name
                    });
                });

                // 只有一条不显示
                if (sub && sub.length > 1) {
                    chose.push({
                        name: value.standard_name,
                        sub: sub
                    });
                }
            });
        }

        if (!_.isEmpty(chose)) {
            resData.seniorChose = chose;
        }

        if (!_.isEmpty(conditions)) {
            _.set(resData, 'checkedConditions.conditions', conditions);
        }
    }

    return resData;
};

exports.handleFilterDataAll = (data, qs) => {
    let destFilter = {};
    let params = _.cloneDeep(qs);

    _.unset(params, 'page'); // 去除筛选项page

    let baseFilter = this.handleFilterData(_.get(data, 'filter', {}), params, data.total);
    let seniorFilter = this.handleSeniorFilterData({
        style: _.get(data, 'filter.style', []),
        standard: _.get(data, 'standard', [])
    }, params);

    let conditions = _.union(_.get(baseFilter, 'checkedConditions.conditions'),
        _.get(seniorFilter, 'checkedConditions.conditions'));

    Object.assign(destFilter, seniorFilter, baseFilter);

    _.set(destFilter, 'checkedConditions.conditions', conditions);
    return destFilter;
};

/**
 * 根据页面设置面包屑导航
 * @type {[type]}
 */
exports.handlePathNavData = (data, params, page, channel) => {

    let rootName = '首页';

    if (channel && _.isString(channel)) {
        rootName = channel.toUpperCase() + rootName;
    }

    let pathNav = [{
        href: indexUrl[channel],
        name: rootName, // '首页',
        pathTitle: rootName // '首页'
    }];

    switch (page) {
        case 'search':
            // 搜索结果提示
            if (params.query || params.keywords) {
                params.query = params.query || params.keywords;
                pathNav.push({
                    name: '“<span id="nav_keyword">' +
                    params.query + '</span>”&nbsp;&nbsp;共<span id="nav_keyword_count">' +
                    data.total + '</span>个结果'
                });
            } else {
                pathNav.push({
                    name: '所有商品'
                });
            }
            break;
        case 'brand':

            // 品牌
            pathNav.push(
                {
                    name: '品牌一览',
                    pathTitle: '品牌一览',
                    href: helpers.urlFormat('/brands')
                },
                {
                    name: data.brandNameEn + data.brandNameCn,
                    pathTitle: data.brandNameEn + data.brandNameCn
                }
            );
            break;
        case 'shop':

            // 店铺
            pathNav.push(
                {
                    name: data.brandName,
                    pathTitle: data.brandName
                }
            );
            break;
        case 'new':

            // 新品到着
            pathNav.push(
                {
                    name: '新品到着',
                    pathTitle: '新品到着'
                }
            );
            break;
        default :
            // 分类

            _.forEach(data, sort => {
                let navList = [];

                if (`${params.category_id}` === `${sort.category_id}`) {
                    navList = [{
                        name: sort.category_name,
                        pathTitle: sort.category_name
                    }];
                }

                if (!_.isEmpty(sort.sub)) {
                    _.forEach(sort.sub, misort => {
                        if (`${params.category_id}` === `${misort.category_id}`) {
                            navList = [{
                                name: sort.category_name,
                                href: handleFilterUrl(sort.relation_parameter),
                                pathTitle: sort.category_name
                            },
                            {
                                name: misort.category_name,
                                pathTitle: misort.category_name
                            }];
                        }
                    });
                }

                if (!_.isEmpty(navList)) {
                    pathNav = _.concat(pathNav, navList);
                }
            });
            break;
    }
    return {
        pathNav: pathNav,
        listType: page
    };
};

/**
 * 分页
 * @param  {[type]} total 总页数
 * @param  {[type]} params 筛选条件
 * @param  {[noNextBtn]} 列表是否有下一页的按钮，如果有则实际查询数比传递参数的少一个，入60 => 59
 * @return {[type]}        [description]
 */
exports.handlePagerData = (total, params, noNextBtn) => {
    let dest = {
        prePage: {
            url: ''
        },
        nextPage: {
            url: ''
        },
        pages: []
    };

    let currentPage = parseInt(_.get(params, 'page', 1), 10); // 当前页
    let perPageCount = parseInt(_.get(params, 'limit', noNextBtn === true ? 40 : 39), 10); // 每页商品数
    let totalPage = Math.ceil(total / perPageCount); // 总页数

    if (noNextBtn !== true) {
        switch (perPageCount) {
            case 200:
                perPageCount = 199;
                break;
            case 100:
                perPageCount = 99;
                break;
            default :
                perPageCount = 39;
                break;
        }
    }

    if (currentPage === 1) {
        // 当前页为 1，一定没有上一页
        delete dest.prePage;
    } else {
        dest.prePage.url = handleFilterUrl(params, {page: currentPage - 1});
    }

    if (currentPage === totalPage) {

        // 当前页为最后一页，一定没有下一页
        delete dest.nextPage;
    } else {
        dest.nextPage.url = handleFilterUrl(params, {page: currentPage + 1});
    }

    // 页码临时数据
    let pages = [];

    if (currentPage > 2 && currentPage <= totalPage - 2) {
        for (let i = currentPage - 2; i <= ((currentPage + 2) > totalPage ? totalPage : (currentPage + 2)); i++) {
            pages.push({
                url: handleFilterUrl(params, {page: i}),
                num: i,
                cur: currentPage === i
            });
        }

        // 处理页码小于等于 2 的情况
    } else if (currentPage <= 2) {
        for (let i = 1; i <= (totalPage < 5 ? totalPage : 5); i++) {
            pages.push({
                url: handleFilterUrl(params, {page: i}),
                num: i,
                cur: currentPage === i
            });
        }
    } else if (currentPage > totalPage - 2) {
        for (let i = totalPage; i >= totalPage - 4; i--) {

            if (i > 0) {
                pages.push({
                    url: handleFilterUrl(params, {page: i}),
                    num: i,
                    cur: currentPage === i
                });
            }
        }
        pages = _.sortBy(pages, ['num']);
    }

    let prevPages = [];
    let nextPages = [];

    if (_.size(pages) === 5) {
        if (currentPage > 4) {
            prevPages.push({
                url: handleFilterUrl(params, {page: 1}),
                num: 1
            });
            prevPages.push({
                num: '...'
            });
        }
        if (currentPage < totalPage - 2 && totalPage > 5) {
            nextPages.push({
                num: '...'
            });
            nextPages.push({
                url: handleFilterUrl(params, {page: totalPage}),
                num: totalPage
            });
        }
    }

    // 商品开始结束数
    dest.tip = {
        total: total,
        start: (currentPage ? currentPage - 1 : 0) * perPageCount + 1
    };

    let endPageNum = (totalPage === currentPage) ?
        total : parseInt(dest.tip.start, 10) + perPageCount - 1;

    dest.tip.end = (total < perPageCount) ? total : endPageNum;
    dest.pages = _.concat(prevPages, pages, nextPages);

    return dest;

};

/**
 * 处理分类介绍
 * @type {[type]}
 */
exports.handleSortIntro = (data) => {
    let sortIntro = {
        name: data.title,
        enName: data.subtitle,
        description: data.intro,
        img: data.logo,
        keyEntry: []
    };

    _.forEach(data.keyword, function(value) {
        sortIntro.keyEntry.push({
            name: value.word,
            url: value.url.replace(/(parameter_)(\d+)=(\d+)/, (match, p1, p2, p3) => `standard=${p2}_${p3}`)
        });
    });

    return sortIntro;
};

/**
 * 处理分类页左侧广告
 * @type {[type]}
 */
exports.handleSortAds = (data) => {
    let sortAds = {
        picLink: {
            picTitle: '',
            list: []
        }
    };

    _.forEach(data, function(value) {
        sortAds.picLink.list.push({
            href: value.ads_url,
            src: value.ads_image
        });
    });

    return sortAds;
};

/**
 * 热销品牌
 * @type {[type]}
 */
exports.hotBrands = (data, title) => {
    let hotBrands = {
        title: title || '热销品牌',
        list: []
    };

    _.forEach(data, function(value) {
        hotBrands.list.push({
            title: value.title,
            href: value.url,
            src: value.image
        });
    });

    return {hotBrands: hotBrands};
};

/**
 * 处理一周新品上架
 * @type {[type]}
 */
exports.handleWeekNew = (data, params) => {
    let list = [];
    let dest = {
        newSales: {
            name: '',
            list: []
        }
    };

    _.forEach(data.recent, function(value, key) {
        let t = _.split(key, '-'),
            dayStart = new Date(t[0], _.parseInt(t[1]) - 1, t[2]).getTime() / 1000,
            day = `${dayStart},${dayStart + 86400}`;

        list.push({
            name: `${t[1] || ''}月${t[2] || ''}日`,
            href: handleFilterUrl(params, {shelveTime: day}),
            active: day === params.shelveTime,
            sort: +t.join('')
        });
    });

    _.set(dest, 'newSales.list', _.sortBy(list, function(o) {
        return -o.sort;
    }));

    return dest;
};

/**
 * 处理搜索提示
 * @type {[type]}
 */
exports.handleSuggest = (data) => {
    let suggest = [];

    _.forEach(data, function(value) {
        suggest.push({
            href: helpers.urlFormat('', {query: value.keyword}, 'search'),
            keyword: value.keyword,
            count: value.count
        });
    });

    return suggest;
};

/**
 * 处理品牌页banner
 * @type {[type]}
 */
exports.handleBrandBanner = (data) => {
    return {
        bannerHeight: 150,
        banner: helpers.getForceSourceUrl(data.brandBanner || ''),
        brandHome: data.url,
        brandIntro: helpers.urlFormat('/about', '', data.brandDomain),
        dataId: data.brandId
    };
};

/**
 * 处理品牌系列folder_id
 * @type {[type]}
 */
exports.handleFolderData = (data, params) => {
    params = params || {};

    let baseQs = params.shopId ? `&shopId=${params.shopId}` : '';
    let dest = [];

    _.forEach(data, (value) => {
        dest.push({
            href: `?folder_id=${value.id}${baseQs}`,
            src: value.brand_sort_ico
        });
    });

    return dest;
};

/**
 * 处理品牌系列series
 * @type {[type]}
 */
exports.handleSeriesData = (data, params) => {
    params = params || {};

    let baseQs = params.shopId ? `&shopId=${params.shopId}` : '';
    let dest = [];

    _.forEach(data, (value) => {
        dest.push({
            href: `?series=${value.id}${baseQs}`,
            src: value.series_banner
        });
    });

    return dest;
};

/**
 * 筛选类链接处理的对外接口
 * @type {[type]}
 */
exports.handleFilterUrl = handleFilterUrl;

/**
 * 处理选中数据的对外接口
 * @type {[type]}
 */
exports.handleCheckedData = handleCheckedData;

exports.handleNextPage = (params, total) => {
    let href;
    let currentPage = parseInt((params.page ? params.page : 1), 10); // 当前页
    let perPageCount = parseInt((params.limit ? params.limit : 40) - 1, 10); // 每页商品数
    let totalPage = _.ceil(total / perPageCount); // 总页数

    if (currentPage >= totalPage) {
        return null;
    } else {
        href = handleFilterUrl(params, {page: currentPage + 1});
    }

    return {
        href: href,
        src: '//img10.static.yhbimg.com/product/2014/01/15/11/01fa01614784f6239760f1b749663016f1.jpg?' +
        'imageMogr2/thumbnail/235x314/extent/235x314/background/d2hpdGU=/position/center/quality/90'
    };
};

const _getChannelName = channel => {

    let channelName = '';

    switch (channel) {
        case 'boys':
            channelName = '男生';
            break;
        case 'girls':
            channelName = '女生';
            break;
        case 'kids':
            channelName = '潮童';
            break;
        case 'lifestyle':
            channelName = '创意生活';
            break;
        default:
            channelName = '男生';
    }

    return channelName;
};

const _handelSeoParamsName = (channel, sorts, checked) => {
    let kd = {};

    _.forEach(sorts, val => {
        if (val.active) {
            kd.sort = val && val.name;
            _.forEach(val.childList, sub => {
                if (sub.childActive && sub.categoryId !== val.categoryId) {
                    kd.sort = sub && sub.name;
                }
            });
        }
    });

    checked = checked || [];
    _.forEach(checked, ck => {
        if (!(ck && ck.itemType)) {
            return false;
        }

        switch (ck && ck.itemType) {
            case 'brand':
            case 'color':
            case 'size':
            case 'price':
            case 'style':
                kd[ck.itemType] = ck.name;
                break;
            case 'gender':
                kd.channel = ck.name === 'GIRLS' ? '女生' : '男生';
                break;
            default:
                if (ck.itemType) {
                    if (!kd.senior) {
                        kd.senior = '';
                    } else {
                        kd.senior += '、';
                    }
                    kd.senior += ck.name;
                }
                break;
        }
    });

    return kd;
};

/**
 * 列表页seo
 * @param channel
 * @param sorts
 * @param checked
 * @returns {{title: string, keywords: string, description: string}}
 */
exports.getListSeo = (channel, sorts, checked) => {
    const defaultTdk = {
        title: '潮流服装配饰,创意生活用品_男生|女生|潮童服装,鞋履,配饰品牌正品-YOHO!BUY有货',
        keywords: '潮流服装配饰,创意生活用品,男生服装配饰,女生服装配饰,潮童服装配饰',
        description: '潮流服装配饰及创意生活正品网购！YOHO!BUY有货提供男生、女生、潮童服装配饰。100%品牌正品保证，支持货到付款。'
    };

    const kd = _handelSeoParamsName(channel, sorts, checked);

    // 无筛选参数时默认tdk
    if (_.isEmpty(kd)) {
        return defaultTdk;
    }

    _.forEach(['sort', 'brand', 'color', 'size', 'price', 'channel', 'style', 'senior'], val => {
        kd[val] = kd[val] || '';
    });

    return {
        title: `${kd.price ? '价格在' : ''}${kd.price}${kd.brand}${kd.channel}${kd.color}${kd.size}${kd.sort}|YOHO!BUY有货`, // eslint-disable-line
        keywords: `${kd.size}${kd.color}${kd.brand}${kd.channel}${kd.sort}${kd.style ? ',' : ''}${kd.style}` || defaultTdk.keywords, // eslint-disable-line
        description: `潮流网购${kd.brand}就上YOHO!BUY有货，有货网销售正品新款${kd.size}${kd.color}${kd.brand}${kd.channel}${kd.sort},全场低至4折,100%品牌正品保证,支持货到付款。` // eslint-disable-line
    };
};

/**
 * 新品到页 seo
 * @param channel
 * @param sorts
 * @param checked
 * @returns {{title: string, keywords: string, description: string}}
 */
exports.getNewSeo = (channel, sorts, checked, shelveTime) => {
    const channelName = _getChannelName(channel);
    const defaultTdk = {
        title: `${channelName}新品上架,100%正品保证-YOHO!BUY 有货`,
        keywords: `${channelName}新品，潮流新品，潮流正品`,
        description: `${channelName}新品上架,正品网购,官方授权！100%品牌正品保证,支持货到付款。 想购买潮流商品就来YOHO! 有货中国最大的潮流商品购物网站。`
    };

    const kd = _handelSeoParamsName(channel, sorts, checked);

    shelveTime = parseInt(`0${(shelveTime || '').split(',')[0]}`, 10);

    if (shelveTime) {
        const data = new Date(shelveTime * 1000);

        kd.day = `${data.getFullYear()}年${data.getMonth() + 1}月${data.getDate()}日`;
        kd.year = `${data.getFullYear()}年`;
    }

    // 无筛选参数时默认tdk
    if (_.isEmpty(kd)) {
        return defaultTdk;
    }

    _.forEach(['year', 'day', 'sort', 'brand', 'color', 'size', 'price', 'channel', 'style', 'senior'], val => {
        kd[val] = kd[val] || '';
    });

    return {
        title: `新品到着|${kd.price ? '价格在' : ''}${kd.price}${kd.brand}${kd.channel}${kd.color}${kd.size}${kd.sort}|YOHO!BUY有货`, // eslint-disable-line
        keywords: `${kd.size}${kd.color}${kd.brand}${kd.channel}${kd.sort}${kd.style ? ',' : ''}${kd.style}` || defaultTdk.keywords, // eslint-disable-line
        description: `${kd.day}新品到着,潮流网购${kd.brand}就上YOHO!BUY有货，有货网销售正品${kd.year}新款${kd.size}${kd.color}${kd.brand}${kd.channel}${kd.sort},全场低至4折,100%品牌正品保证,支持货到付款。` // eslint-disable-line
    };
};

/**
 * 品牌店铺页 seo
 * @param channel
 * @param info
 * @param qs
 * @returns {{title: (string|*|string), keywords: string, description: string}}
 */
exports.getBrandShopSeo = (channel, info, qs) => {
    let resData = {},
        ctype = {
            boys: {fashionType: '男装', brandType: '男生品牌'},
            girls: {fashionType: '女装', brandType: '女生品牌'},
            kids: {fashionType: '童装', brandType: '潮童品牌'},
            lifestyle: {fashionType: '创意生活', brandType: '创意生活品牌'}
        };
    let params = {
        nameEn: '',
        name: ''
    };

    if (info) {
        Object.assign(params, {
            nameEn: _.get(info, 'brandNameEn', ''),
            nameCn: _.get(info, 'brandNameCn', '')
        });

        params.name = `${params.nameEn} ${params.nameCn}`;

        if (info.shopName) {
            Object.assign(params, {
                nameEn: info.shopName,
                name: info.shopName
            });
        }
    }

    let description = `有货网${params.nameEn}旗舰店销售${params.name}正品商品，100%质量保证，支持货到付款，想了解${params.name}价格、图片、评价等信息，就上YOHO!BUY 有货中国最大的潮流商品购物网站！`; // eslint-disable-line

    if (qs && qs.gender) {
        if (qs.gender === '1,3') {
            channel = 'boys';
        } else if (qs.gender === '2,3') {
            channel = 'girls';
        }
        Object.assign(params, ctype[channel] || ctype.boys);
        Object.assign(resData, {
            title: `${params.nameEn} | ${params.name} ${params.brandType} | 正品保证， YOHO!BUY 有货`,
            keywords: `${params.nameEn}, ${params.name} ${params.fashionType},${params.nameEn} ${params.brandType}`,
            description: description
        });
    } else {
        Object.assign(resData, {
            title: `${params.nameEn} | ${params.name}品牌旗舰店 | 正品保证， YOHO!BUY 有货`,
            keywords: `${params.nameEn}, ${params.name}品牌旗舰店，${params.name}正品`,
            description: description
        });
    }

    return resData;
};

exports.getAboutSeo = (name, intro, shop) => {
    let type = shop ? '店铺' : '品牌';

    intro = intro || '';

    intro = _.truncate(_.replace(intro, /<\/?[^>]*>|\s*|(\n)|(\t)|(\r)/g, ''), {
        length: 156,
        omission: '...'
    });

    return {
        title: `${name}品牌 | ${name}${type}介绍 | YOHO!BUY有货 100%正品保证`,
        keywords: `${name}品牌, ${name}${type}介绍`,
        description: `${name}${type}介绍 ${intro}`
    };
};

/**
 * 获取商品的前三个skn 提供给第三方推广使用
 * @param glist
 * @returns {Array}
 */
exports.getCriteo = (glist) => {

    let sknArr = [];

    if (glist) {
        _.forEach(glist, (val) => {

            if (sknArr.length < 3) {
                if (val && val.product_skn) {
                    sknArr.push(val.product_skn);
                }
            } else {
                return false;
            }
        });
    }

    return sknArr;
};

// handlePagerData
exports.getSearchParams = params => {

    let mlimit = 39;

    if (params && params.limit) {

        let olimit = parseInt(params.limit, 10);

        switch (olimit) {
            case 100:
                mlimit = 99;
                break;
            case 200:
                mlimit = 199;
                break;
            default:
                mlimit = 39;
        }
    }

    /** 处理页面数据 **/
    let nparams = {
        limit: mlimit
    };

    if (params && params.price) {
        let mp = params.price.split(',');
        let nmp = [];

        nmp[0] = (mp && mp[0]) || 0;
        nmp[1] = (mp && mp[1]) || 99999;
        nparams.price = nmp.join(',');
    }

    // 未登录状态uid传个性化推荐id（即上次登录cookie中存储的_PRID）
    if (_.has(params, 'prid')) {
        if (!params.uid && params.prid) {
            nparams.uid = params.prid;
        }

        _.unset(params, 'prid');
    }

    // 商品详情页促销跳转
    if (params && params.psp_id) {
        Object.assign(nparams, {
            promotion_id: params.psp_id,
            method: 'app.search.promotion'
        });
    }

    // 优惠券商品列表
    if (params && params.cpc_id && params.coupon_code) {
        Object.assign(nparams, {
            coupon_id: params.cpc_id,
            coupon_code: params.coupon_code,
            method: 'app.search.coupon'
        });
    }

    /** 查询参数再处理 **/
    // 对可能有中文的情况进行处理
    if (params.query) {
        try {
            params.query = decodeURIComponent(params.query);
        } catch (e) {
            logger.info(e);
        }

    }

    return Object.assign({}, params, nparams);
};

exports.handleFilterBrands = (brands, params) => {
    return formatterFilterBrands(brands, null, params);
};

exports.handleBrandShopCoupons = (data, params) => {
    let resData = {};
    let length;

    data = data || [];
    params = params || {};
    length = data.length || 0;

    if (length) {
        _.forEach(data, value => {
            Object.assign(value, {
                coupon_id: crypto.encryption('', `${value.coupon_id}`),
                money: +value.money
            });
        });

        if (length === 1) {
            data[0].showUnit = true;
        }

        Object.assign(resData, {
            list: data,
            length: length,
            showNextBtn: length > 3
        }, params);

        return resData;
    }

    return false;
};

/**
 * 处理页面左侧分类筛选数据
 * @param origin 分类原始数据，一般是接口返回数据中的 group_sort 字段
 * @param params 当前 URL 中已有的参数
 * @param extra 可以任意传值用来处理特殊情况
 * @param {string} [baseUrl] 需要跳转非当前页面传的相对路径（可不传，默认为空字符串）
 * @returns {{}}
 */
exports.handleSuggestData = (origin, query) => {
    let leftContent = {};

    let list = [];

    let all = [{
        name: '全部推荐'
    }];

    _.forEach(origin, value => {
        if (query === value.keyword || value.keyword.length <= 2) {
            return;
        }

        list.push({
            name: `${value.keyword}`,
            href: helpers.urlFormat(`/so/${stringCode.utf8ToHex(value.keyword)}.html`, null, 'www')
        });
    });

    leftContent.allSuggest = {
        all: all,
        title: '相关推荐',
        list: list
    };

    return leftContent;
};