'use strict';
const api = global.yoho.API;
const serviceAPI = global.yoho.ServiceAPI;
const _ = require('lodash');
const helpers = global.yoho.helpers;

const yhChannel = {
    1: {
        channel: '1'
    },
    2: {
        channel: '2'
    },
    4: {
        channel: '3'
    }
};

const genderMap = {
    MEN男士: '1,3',
    WOMEN女士: '2,3'
};

const channelNav = {
    boys: 'MEN男士',
    girls: 'WOMEN女士'
};

const handleBrandList = origin => {
    let dest = {
        ListData: [],
        indexList: []
    };

    let keyList = [];

    // 标记是否有数字，有数字先暂存
    let hasNum = false;
    let numTemp = {};

    _.forEach(origin, (value, key) => {

        if (_.size(value) <= 0) {
            return;
        }

        _.forEach(value, function(subValue) {
            subValue.brandUrl = helpers.urlFormat('/', {
                query: subValue.brand_domain,
                app_type: 1
            }, 'search');
            subValue.name = subValue.brand_name_en || subValue.brand_name_cn || subValue.brand_name;
            subValue.domain = subValue.brand_domain;
        });

        if (key === '0~9') {
            hasNum = true;
            numTemp = origin[key];
        } else {

            keyList.push(key);
        }

    });

    keyList.sort();

    _.forEach(keyList, function(key) {
        let keyName = key;

        dest.ListData.push({
            index: keyName,
            brands: origin[key]
        });

        dest.indexList.push({
            index: keyName,
            name: key === '0~9' ? '0' : key
        });
    });

    // 如果有数字，单独处理
    if (hasNum) {

        dest.ListData.push({
            index: '0~9',
            brands: numTemp
        });

        dest.indexList.push({
            index: '0_9',
            name: '0'
        });
    }

    return dest;
};

const _getChannelData = (params) => {
    let gender = params - 1 || 0;

    return api.get('', {
        method: 'app.blk.getAllChannels'
    }, {
        cache: true,
        code: 200
    }).then(result => {
        let channel = [];

        if (gender === 3 && result.data.length === 3) {
            // 1:男，2:女，3:童装，4:创意生活
            // 如果为3，说明童装没有配置，只配置了创意生活。所以要减一
            gender = 2;
        }

        _.forEach(result.data, (res, index) => {
            channel.push({
                id: res.channel_id,
                mame: res.channel_name,
                code: res.content_code,
                focus: index === gender ? true : false
            });
        });

        return channel;
    });
};

const _getResourcesData = (contentCode) => {
    if (!contentCode) {
        return [];
    }
    return serviceAPI.get('operations/api/v5/resource/get', {
        content_code: contentCode
    }, {
        cache: true,
        code: 200
    }).then(result => {
        return result && result.data ? result.data : [];
    });
};

const _getBrandListOriginData = (channel) => {
    let finalResult = {};

    return api.get('', {
        method: 'app.brand.newBrandList',
        yh_channel: yhChannel[channel].channel,
        app_type: 1
    }, {
        code: 200,
        cache: true
    }).then(result => {
        if (result.data && result.data.all_list) {
            return Object.assign(finalResult, handleBrandList(result.data.all_list));
        } else {
            return {};
        }
    });
};

// 全部分类数据
const _processCateData = (list, channel, appType) => {
    let nav = ['MEN男士', 'WOMEN女士'];

    nav = _.map(nav, function(item) {
        return {
            name: item,
            channel: item,
            focus: item === channelNav[channel]
        };
    });

    _.map(list, function(item, key) {
        item.focus = key === channelNav[channel];

        _.map(item, function(firstItem) {
            // 如果有二级菜单，二级菜单跳转，否则一级菜单跳转
            if (firstItem.sub && firstItem.sub.length) {
                _.map(firstItem.sub, function(secondItem) {
                    secondItem.url = helpers.urlFormat('/', {
                        sort: _.get(secondItem, 'relation_parameter.sort'),
                        sort_name: secondItem.category_name,
                        gender: genderMap[key] || '',
                        app_type: appType
                    }, 'list');
                });

                firstItem.sub.unshift({
                    category_name: `全部${firstItem.category_name}`,
                    url: helpers.urlFormat('/', {
                        sort: _.get(firstItem, 'relation_parameter.sort'),
                        sort_name: firstItem.category_name,
                        gender: genderMap[key] || '',
                        app_type: appType
                    }, 'list')
                });
            } else {
                firstItem.url = helpers.urlFormat('/', {
                    sort: _.get(firstItem, 'relation_parameter.sort'),
                    sort_name: firstItem.category_name,
                    gender: genderMap[key] || '',
                    app_type: appType
                }, 'list');
            }
        });
    });

    return {
        nav,
        list
    };
};

const _getCateData = (channel, appType) => {
    return api.get('', {
        method: 'app.sort.get',
        app_type: 1
    }, {
        cache: true
    }).then((result) => {
        if (!result.code || result.code !== 200 || !result.data) {
            return [];
        }

        return result.data;
    }).then((list) => {
        return _processCateData(list, channel, appType);
    });
};

const indexData = (gender, brandCode, channel, appType) => {
    return Promise.all([_getChannelData(gender), _getResourcesData(brandCode), _getBrandListOriginData(gender), _getCateData(channel, appType)]).then(result => {
        let brandList = {};
        let list = {};
        let categoryData = {};

        if (result[0]) {
            categoryData.channel = result[0];
            list.channel = result[0];
        }

        if (result[1]) {
            _.forEach(result[1], function(data) {
                if (data.focus_type && data.focus_type === '1') {
                    brandList.bannerTop = data;
                } else if (data.focus_type && data.focus_type === '2') {
                    brandList.focusData = data.data;
                }
            });
        }

        if (result[2]) {

            brandList.listData = result[2].ListData;
            brandList.indexList = result[2].indexList;
        }

        if (result[3]) {

            list.categoryData = result[3];
        }

        list.brandList = brandList;

        return list;
    });
};

const brandListData = (code, gender) => {
    return Promise.all([_getResourcesData(code), _getBrandListOriginData(gender)]).then(result => {
        let brandList = {};
        let list = {};

        if (result[0]) {
            _.forEach(result[0], function(data) {
                if (data.focus_type && data.focus_type === '1') {
                    brandList.bannerTop = data;
                } else if (data.focus_type && data.focus_type === '2') {
                    brandList.focusData = data.data;
                } else if (data.template_name === 'single_image') {
                    brandList.bannerTop = data;
                }
            });
        }

        if (result[1]) {
            brandList.listData = result[1].ListData;
            brandList.indexList = result[1].indexList;
        }

        list.brandList = brandList;
        return list;
    });
};

module.exports = {
    indexData,
    brandListData
};