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

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

const path = require('path');
const helpers = global.yoho.helpers;
const _ = require('lodash');
const currencyApi = require('./currency-api');

// 使用 product中的分页逻辑
const pagerPath = path.join(global.appRoot, '/apps/product/models/public-handler.js');
const pager = require(pagerPath).handlePagerData;

const moment = require('moment');

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

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

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

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

        condition.limit = condition.limit || 15;

        let data = yield currencyApi.yohoCoinList(uid, condition);

        if (_.get(data, 'code') === 200 && data.data.coinlist && !_.isEmpty(data.data.coinlist)) {

            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 (Number(val.type) === 14 && val.key) { // 晒单奖励
                    let product = yield currencyApi.getProduct(Number(val.key), 1);

                    if (_.get(product, 'code') === 200 &&
                        !_.isEmpty(product.data.product_list) &&
                        !_.isEmpty(product.data.product_list[0].goods_list)) {
                        let productSkn = _.get(product, 'data.product_list[0].product_skn');

                        result.list[key].detailUrl = helpers.getUrlBySkc(productSkn);
                    }
                }
                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 = Object.assign({
                count: data.data.total,
                curPage: data.data.page,
                totalPages: Math.ceil(data.data.total / condition.limit)
            }, pager(data.data.total, {
                page: condition.page,
                limit: condition.limit,
                type: condition.queryType,
                beginTime: condition.beginTime
            }));

        }
        return result;
    })();
};

const currencyData = (uid, prama)=>{
    let condition = {
        page: prama.page || 1,
        queryType: prama.type || 0,
        beginTime: prama.beginTime || convertUnitTime(new Date() / 1000 - 3600 * 24 * 90)
    };

    return co(function*() {
        let result = {};
        let yohoCoinInfo = yield currencyApi.yohoCoinTotal(uid);

        if (_.get(yohoCoinInfo, 'code') === 200) {
            let yohoCoinInfoData = yohoCoinInfo.data;

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

        Object.assign(result, {
            currency: currency.list,
            pager: currency.pager,
            coinHelperUrl: '//www.yohobuy.com/help/detail?id=105', // yoho币帮助
            tabs: currencyTabs(condition.queryType),
            options: currencyOptions(condition)
        });

        return result;
    })();

};

module.exports = {
    currencyData
};