'use strict';
const _ = require('lodash');
const helpers = global.yoho.helpers;
const cartModel = require('../models/cart');
const headerModel = require('../../../doraemon/models/header');
const userModel = require('../../serverAPI/user');
const addressModel = require('../../serverAPI/user/address');


exports.orderEnsure = (req, res, next) => {
    req.locals.width750 = true;
    req.locals.title = '确认订单';

    let headerData = headerModel.setNav({
        navTitle: '确认订单',
        navBtn: false
    });

    let uid = req.user.uid;
    let returnUrl = helpers.urlFormat('/cart/index/new');
    let cartType = req.query.cartType || 'ordinary';
    let orderInfo;

    try {
        orderInfo = JSON.parse(req.cookies['order-info']);
    } catch (e) {
        orderInfo = {};
    }

    let cookieCartType = _.get(orderInfo, 'cartType');

    if (cookieCartType) {
        cartType = cookieCartType;
    }

    // 如果传递了code， skn， sku， buy_number 就代表限购商品
    let limitProductCode = req.query.limitproductcode || '';
    let sku = req.query.sku || '';
    let skn = req.query.skn || '';
    let buyNumber = req.query.buy_number || 1;

    if (limitProductCode) {
        headerData.backUrl = req.get('Referer') || returnUrl;
    }

    let order = cartModel.cartPay(uid, cartType, orderInfo, sku, skn, buyNumber, req.xhr);
    let userProfile = userModel.queryProfile(uid);
    let address = addressModel.addressData(uid);

    return Promise.all([order, userProfile, address])
        .then(
            result => {
                order = result[0];
                userProfile = result[1];
                address = result[2];

                if (order.cartUrl) {   // TODO?  普通或者预售商品为空时, BUT WHEN AJAX?
                    return res.redirect(order.cartUrl);
                }

                if (req.xhr) {
                    return res.json(order);
                }

                // 获取用户完整手机号
                let mobile = _.get(userProfile, 'data.mobile', '');
                let orderAddress = _.get(order, 'address', []);
                let addressList = _.get(address, 'data', []);

                orderAddress.length && addressList.forEach(address => { //eslint-disable-line
                    if (address.address_id === orderAddress.address_id) {
                        mobile = address.mobile;
                    }
                });

                let viewData = {
                    orderEnsurePage: true,
                    isOrdinaryCart: cartType !== 'advance',
                    orderEnsure: order,
                    userMobile: mobile
                };

                viewData.pageHader = headerData;
                viewData.pageFooter = true;

                res.render('order-ensure', viewData);
            }
        )
        .catch(next);

};