/**
 * @author: weiqingting<qingting.wei@yoho.cn>
 */
'use strict';

const Promise = require('bluebird');
const co = Promise.coroutine;

const helpers = global.yoho.helpers;
const _ = require('lodash');
const CurrencyData = require('./CurrencyData');
const SearchData = require('./SearchData');
const setPager = require(`${global.utils}/pager`).setPager;

const moment = require('moment');

const convertUnitTime = (src) => {
    return moment.unix(src).format('YYYY-MM-DD');
};

const currencyList = (uid, condition)=>{
    return co(function*() {
        let result = {list: [], pager: {}};

        condition.limit = condition.limit || 15;
        let data = yield CurrencyData.yohoCoinList(uid, condition);

        if (data.code && data.code === 200 &&
            data.data.coinlist &&
            !_.isEmpty(data.data.coinlist)) {
            // data.data.coinlist.forEach(function(val,key){
            for (let key = 0; key < data.data.coinlist.length; key++) {
                let val = data.data.coinlist[key];

                result.list[key] = {
                    date: val.date,
                    desc: val.message,
                    isIncome: true
                };

                // 2:订单取消退还,9:下单使用,10:退货退还
                if ([2, 9, 10].indexOf(val.type) > -1 && val.key) {
                    result.list[key].detailUrl = helpers.urlFormat('/home/orders/detail', {orderCode: val.key});
                } else if (val.type === 14 && val.key) { // 晒单奖励
                    let product = yield SearchData.searchAll({query: Number(val.key), viewNum: 1});

                    if (product.code && product.code === 200 &&
                        !_.isEmpty(product.data.product_list) &&
                        !_.isEmpty(product.data.product_list[0].goods_list)) {
                        let productId = product.data.product_list[0].product_id,
                            goodsId = product.data.product_list[0].goods_list[0].goods_id;

                        result.list[key].detailUrl = helpers.getUrlBySkc(productId, goodsId,
                                                        product.data.product_list[0].cn_alphabet);

                    }
                }
                if (Number(val.num) < 0) {
                    result.list[key].isIncome = false;
                }
                result.list[key].value = val.num > 0 ? '+' + val.num : val.num;
            }

            // 分页
            result.pager.hasCheckAll = false;
            result.pager.count = data.data.total;
            result.pager.curPage = data.data.page;
            result.pager.totalPages = Math.ceil(data.data.total / condition.limit);
            if (result.pager.totalPages > 1) {
                Object.assign(result.pager, setPager(result.pager.totalPages, {
                    type: condition.queryType,
                    page: result.pager.curPage
                }));
            }
        } else {
            result = {error: 'no data'};
        }

        return result;
    })();
};

const currencyTabs = (type)=>{
    let result = ['全部明细', '全部收入', '全部支出'],
        tabs = [];

    result.forEach(function(val, key) {
        return tabs.push({
            name: val,
            active: parseInt(key, 10) === parseInt(type, 10) ? true : false,
            url: helpers.urlFormat('/home/currency', {type: key})
        });
    });

    return tabs;
};

const currencyOptions = (condition)=>{
    let result = [], paramUrl = {},
        tabs = {90: '最近3个月明细', 180: '最近半年明细', 360: '最近一年明细'};

    for (let name in tabs) {
        if (condition.queryType) {
            paramUrl.type = condition.queryType;
        }

        paramUrl.beginTime = convertUnitTime(new Date() / 1000 - parseInt(name, 10) * 3600 * 24);
        result.push({
            url: helpers.urlFormat('/home/currency', paramUrl),
            name: tabs[name],
            selected: condition.beginTime && paramUrl.beginTime === condition.beginTime ? true : false
        });
    }
    return result;
};

const currencyData = (uid, condition)=>{
    return co(function*() {
        let result = {},
            yohoCoinInfo = yield CurrencyData.yohoCoinTotal(uid);

        if (yohoCoinInfo.code && yohoCoinInfo.code === 200) {
            let yohoCoinInfoData = yohoCoinInfo.data;

            result.myCurrency = yohoCoinInfoData.yohocoin_num ? yohoCoinInfoData.yohocoin_num : 0;
            if (yohoCoinInfoData.nearExpCoinNum && yohoCoinInfoData.nearExpCoinNum > 0) {
                result.tip.count = yohoCoinInfoData.nearExpCoinNum;
                result.tip.date = 'Y年12月31日';
            }
        }
        let currency = yield currencyList(uid, condition);

        if (currency.error) { // 参数错误，或者后台报错
            result.myCurrency = 0;
        } else {
            result.currency = currency.list;
            result.pager = currency.pager;
        }

        result.coinHelperUrl = '//www.yohobuy.com/help/?category_id=87';// yoho币帮助
        result.tabs = currencyTabs(condition.queryType);
        result.options = currencyOptions(condition);

        return result;
    })();

};

module.exports = {
    currencyData
};