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

const Promise = require('bluebird');
const co = Promise.coroutine;
const OrderData = require('./OrderData');
const ChannelConfig = require('./ChannelConfig');
const helpers = global.yoho.helpers;
const api = global.yoho.API;
const _ = require('lodash');
const Image = require('../../../utils/images');

/**
 * 获取我的订单列表数据-分页
 * @param type uid
 * @param type page
 * @param type limit
 * @param type type 获取订单类型 type=1全部,type=2待付款,type=3待发货,type=4待收货,type=5待评论（已成功） 7取消
 */
const getOrders = (uid, page, limit, type, isPage)=>{

    return co(function *() {
        isPage = isPage || false;
        let getOrderDescStr = {
            1: '您还没有任何订单',
            5: '您目前还没有成功的订单',
            7: '您还没有任何取消的订单'
        };
        let descStr = getOrderDescStr[type] || '';
        let orders = {empty: descStr};
        let orderInfo = yield OrderData.getUserOrders(uid, page, limit, type);
        if (orderInfo.data && orderInfo.data.order_list) {
            orders = {};
            orderInfo.data.order_list.forEach(function(orderV, orderK) {
                orders[orderK] = {};
                orders[orderK]['orderNum'] = orderV['order_code']; // 订单标识
                orders[orderK]['orderTime'] = new Date(orderV['create_time']);
                let statusInfo = getOrderStatus(orderV['is_cancel'], orderV['status'], orderV['payment_type'], orderV['payment_status']);

                // 订单状态
                if (statusInfo['cancel']) {
                    orders[orderK]['cancel'] = statusInfo['cancel'];
                }
                else {
                    if (statusInfo['keyName']) {
                        orders[orderK][statusInfo['keyName']] = true;

                        // 已发货，物流信息
                        if (statusInfo['keyName'] == 'shipped') {
                            let expressInfo = getExpressInfo(orderV['order_code'], uid, orderV['payment_type'], orderV['create_time']);
                            orders[orderK]['logistics'] = expressInfo['logistics'];
                        }
                    }
                }

                // 订单商品相关信息
                let opRefundStatus = true; // 订单不可操作退换货
                if (orderV['order_goods'] && orderV['order_goods']) {
                    let goods = {}, refundFlag = {};
                    orderV['order_goods'].forEach(function(goval, gokey) {
                        goods[gokey] = {};
                        goods[gokey]['href'] = helpers.getUrlBySkc(goval['product_id'], goval['goods_id'], goval['cn_alphabet']);
                        goods[gokey]['thumb'] = goval['goods_image'] && goval['goods_image'] ? Image.getImageUrl(goval['goods_image'], 100, 100) : '';
                        goods[gokey]['name'] = goval['product_name'];
                        goods[gokey]['color'] = goval['color_name'];
                        goods[gokey]['size'] = goval['size_name'];
                        goods[gokey]['price'] = goval['goods_price'];
                        let buyNum = Number(goval['buy_number']);
                        let refundNum = Number(goval['refund_num']);
                        goods[gokey]['count'] = buyNum;
                        let refundStatus = (refundNum > 0) ? true : false; // 只要发生一件退换，退换过的标记
                        goods[gokey]['refundStatus'] = refundStatus;
                        refundFlag = ((buyNum == refundNum) && refundNum > 0) ? 'finished' : 'unfinished'; // 某一件商品全部退换结束
                        goods[gokey]['arrivalDate'] = goval['expect_arrival_time'];
                        let goodsTagName = getGoodsTag(orderV['attribute'], goval['goods_type']);
                        if (goodsTagName) {
                            goods[gokey][goodsTagName] = true;
                        }
                        orders[orderK]['goods'] = goods;
                    });

                    if (refundFlag.indexOf('unfinished')) {
                        opRefundStatus = false;
                    }
                    orders[orderK]['pay'] = orderV['amount']; // 付款数
                    orders[orderK]['fregit'] = orderV['shipping_cost']; // 邮费
                }

                // 操作
                orders[orderK]['operation'] = getOperateInfo(orderV['attribute'], orderV['is_cancel'], orderV['status'], orderV['payment_status'], orderV['update_time'], orderV['order_type'], orderV['refund_status'], orderV['payment_type'], orderV['order_code'], opRefundStatus);

            });
            if (isPage) {
                orders['pager']['total'] = orderInfo['data']['total'];
                orders['pager']['pageTotal'] = orderInfo['data']['page_total'];
                orders['pager']['page'] = orderInfo['data']['page'];
            }
            return orders;
        }
    })();
};
const getOrderStatus = (isCancel, status, payType, payStatus)=>{
    // 初始化:未取消，待付款
    let ret = {cancel: false, keyName: 'noPay', statusStr: '待付款'};
    if (isCancel == 'Y') {
        ret = {cancel: true, statusStr: '已取消'};
    } else {
        switch (status) {
            case 0:
                // '订单已成功，等待付款'
                if (payType != 2 && payStatus == 'N') {
                    ret['keyName'] = 'noPay';
                    ret['statusStr'] = '待付款';
                }

                // '订单已付款，等待备货中'
                else if (payType != 2 && payStatus == 'Y') {
                    ret['keyName'] = 'paid';
                    ret['statusStr'] = '备货中';
                }

                // '订单已成功，等待备货中'-货到付款
                else if (payType == 2 && payStatus == 'N') {
                    ret['keyName'] = 'complete';
                    ret['statusStr'] = '备货中';
                }
                break;
            case 1:
            case 2:
            case 3:
                // '订单已付款,等待备货中'
                ret['keyName'] = 'paid';
                ret['statusStr'] = '备货中';
                break;
            case 4:
            case 5:
                // '订单已发货'
                ret['keyName'] = 'shipped';
                ret['statusStr'] = '待收货';
                break;
            case 6:
                // '交易完成';
                ret['keyName'] = 'reback';
                ret['statusStr'] = '交易完成';
                break;
        }
    }
    return ret;
};
const getExpressInfo = (orderCode, uid, paymetType, createTime, isDetail)=>{
    return co(function * () {
        isDetail = isDetail || false;
        let result = {};
        result['logisticsUrl'] = '';
        result['logisticsImg'] = '';
        result['logisticsCompany'] = '';
        result['courierNumbe'] = '';

        if (paymetType == 1) {
            if (isDetail) {
                result['logistics'] = [new Date(createTime), ' ', '您的订单已提交，等待付款'];
            }
            else {
                result['logistics'] = new Date(createTime) + ' ' + '您的订单已提交，等待付款';
            }
        }
        if (paymetType == 2) {
            if (isDetail) {
                result['logistics'] = [new Date(createTime), ' ', '您的订单已提交，等待审核'];
            }
            else {
                result['logistics'] = new Date(createTime) + ' ' + '您的订单已提交，等待审核';
            }
        }

        // 有物流
        if (orderCode && _.isNumber(uid)) {
            let logistics = yield OrderData.getLogisticsData(orderCode, uid);
            if (logistics['data']) {
                result['logisticsUrl'] = logistics['data']['url'] ? helper.getUrlSafe(logistics['data']['url']) : '';
                result['logisticsImg'] = logistics['data']['logo'] ? logistics['data']['logo'] : '';
                result['logisticsCompany'] = logistics['data']['caption'] ? logistics['data']['caption'] : '';
                result['courierNumbe'] = logistics['data']['express_number'] ? logistics['data']['express_number'] : '';
                let expressDetail = logistics['data']['express_detail'] ? logistics['data']['express_detail'] : {};
                if (expressDetail) {
                    let logisticsTmp = result['logistics'][0]; // 暂存
                    result['logistics'] = {};
                    expressDetail.forEach(function(value) {
                        let pos = value['accept_address'].indexOf(' ') / 3;
                        let city = value['accept_address'].substr(0, pos);
                        let exInfo = value['accept_address'].substr(pos);
                        if (isDetail) {
                            result['logistics'] = [value['acceptTime'], city, exInfo];
                        }
                        else {
                            result['logistics'] = value['acceptTime'] + city + exInfo;
                        }
                    });

                    // 把最初的处理放最后
                    result['logistics'] = logisticsTmp;
                }
            }
        }
        return result;
    })();

};
const getGoodsTag = (attribute, goodsType)=>{
    let goodsTagName = '';
    switch (goodsType) {

        // 赠品
        case 'gift':
            goodsTagName = 'freebie';
            break;

        // 加价购
        case 'price_gift':
            goodsTagName = 'advanceBuy';
            break;

        // 预售
        case 'advance':
            goodsTagName = 'preSaleGood';
            break;

        // outlet
        case 'outlet':
            goodsTagName = '';
            break;

        // 免单
        case 'free':
            goodsTagName = '';
            break;

        // 电子
        case 'ticket':
            goodsTagName = '';
            break;
        default:
            break;
    }

    // 虚拟
    if (attribute == 3) {
        goodsTagName = 'virtualGood';
    }
    return goodsTagName;
};
const getOperateInfo = (attribute, isCancel, status, payStatus, updateTime, orderType, refundStatus, paymentType, orderCode, opRefundStatus)=>{
    // 查看订单
    let orderDetailUrl = helpers.urlFormat('/home/orders/detail', {orderCode: orderCode});

        // 查看二维码
    let ticketUrl = helpers.urlFormat('/home/orders/tickets', {orderCode: orderCode});

        // 立即付款
    let payUrl = helpers.urlFormat('/shopping/pay', {orderCode: orderCode});

        // 取消订单
    let cancelOrderUrl = 'javascript:void(0)';

        // 确认订单
    let confirmOrderUrl = 'javascript:void(0)';

        // 申请换货
    let exchangeUrl = helpers.urlFormat('/home/returns/exchangeRequest', {orderCode: orderCode});

        // 申请退货
    let refundUrl = helpers.urlFormat('/home/returns/refundrequest', {orderCode: orderCode});

    let operation = {};

        // 立即付款
    if (payStatus == 'N' && paymentType != 2 && isCancel == 'N') {
        operation = {payNow: true, href: payUrl};
    }

    operation = {href: orderDetailUrl, name: '查看订单'};

        // 查看订单，虚拟订单查看二维码
    if (attribute == 3) {
        if (payStatus == 'Y') {
            operation = {href: ticketUrl, name: '查看二维码'};
        }
    }

        // 取消订单
    if (status < 3 && isCancel == 'N' && orderType != 5 && payStatus == 'N') {
        operation = {href: cancelOrderUrl, name: '取消订单', cancelOrder: true};
    }

        // 确认收货
    if (status >= 4 && status < 6 && refundStatus == 0 && attribute != 3 && isCancel == 'N') {
        operation = {href: confirmOrderUrl, name: '确认收货', confirmReceived: true};
    }

        // 换货
    let time = (Date.now() - updateTime);
    let orderExchangeLimitTime = ChannelConfig.exchangeDay;
    if (status >= 6 && time < 86400 * orderExchangeLimitTime && attribute != 3 && isCancel == 'N') {
        operation = {href: exchangeUrl, name: '申请换货', optDis: opRefundStatus};
    }

        // 退货
    let orderRefundLimitTime = ChannelConfig.refundDay;
    if (status >= 6 && time < 86400 * orderRefundLimitTime && attribute != 3 && isCancel == 'N') {
        operation = {href: refundUrl, name: '申请退货', optDis: opRefundStatus};
    }
    return operation;
};


module.exports = {
    getOrders
};