'use strict';

const Promise = require('bluebird');
const co = Promise.coroutine;
const _ = require('lodash');
const moment = require('moment');
const helpers = global.yoho.helpers;

const pager = require('./pager').handlePagerData;
const orderApi = require('./orders-api');
const ChannelConfig = require('./channel-config');

const ORDER_TYPE = {
    all: 1,                // 全部
    waitingForPay: 2,      // 待付款
    waitingForSend: 3,     // 待发货
    waitingForReceive: 4,  // 待收货
    completed: 5,          // 已完成
    canceled: 7            // 已取取消
};

const ORDER_EMPTY_DESC = {
    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'
};

const TABS = [
    {type: 1, name: '现有订单'},
    {type: 5, name: '成功订单'},
    {type: 7, name: '已取消订单'}
];

const ORDER_OP_ALL = [
    {
        type: 'closeOrder',
        name: '取消订单',
        cancelOrder: true,
        hrefFun: () => 'javascript:void(0)'
    },
    {
        type: 'buyNow',
        name: '立即付款',
        payNow: true,
        hrefFun: it => helpers.urlFormat('/home/orders/detail', {orderCode: it})
    },
    {
        type: 'getExpress',
        name: '查看物流',
        express: true,
        hrefFun: () => 'javascript:void(0)'
    },
    {
        type: 'confirm',
        name: '确认订单',
        confirmReceived: true,
        hrefFun: () => 'javascript:void(0)'
    },
    {
        type: 'delOrder',
        name: '删除订单',
        delOrder: true,
        hrefFun: () => ''
    },
    {
        type: 'lookQrcode',
        name: '查看二维码',
        qrcode: true,
        hrefFun: it => helpers.urlFormat('/home/orders/detail', {orderCode: it})
    },
    {
        type: 'afterService',
        name: '售后服务',
        afterService: true,
        hrefFun: () => ''
    },
    {
        type: 'exchange',
        name: '申请换货',
        optDis: true,
        hrefFun: it => helpers.urlFormat('/home/returns/exchangeRequest', {orderCode: it})
    },
    {
        type: 'refund',
        name: '申请退货',
        optDis: true,
        hrefFun: it => helpers.urlFormat('/home/returns/refundrequest', {orderCode: it})
    },
    {
        type: 'shareOrder',
        name: '晒单评价',
        comment: true,
        hrefFun: it => helpers.urlFormat('/home/comment/order', {orderId: it})
    },
    {
        type: 'readd',
        name: '再次购买',
        reBuy: true,
        hrefFun: () => ''
    },
    {
        type: 'showDetail',
        name: '查看订单',
        showDetail: true,
        hrefFun: it => helpers.urlFormat('/home/orders/detail', {orderCode: it})
    },
    {
        type: 'refund',
        name: '申请退款',
        refund: true,
        hrefFun: () => 'javascript:void(0)'
    },
    {
        type: 'deposit',
        name: '定金预售商品只能在APP端操作',
        deposit: true,
        hrefFun: () => ''
    }
];

const _getTabs = (type) => {
    type = type || 1;
    return TABS.map((tab) => {
        tab.active = tab.type === type;
        tab.url = helpers.urlFormat('/home/orders', {page: 1, type: tab.type});
        return tab;
    });
};

const _getOrderStatus = (isCancel, status, payType, payStatus, statusStr) => {
    // 初始化:未取消，待付款
    let ret = {
        cancel: false,
        keyName: 'noPay'
    };

    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';
                } else if (payType !== 2 && payStatus === 'Y') {
                    // '订单已付款，等待备货中'
                    ret.keyName = 'paid';
                } else if (payType === 2 && payStatus === 'N') {
                    // '订单已成功，等待备货中'-货到付款
                    ret.keyName = 'complete';
                }
                break;
            case 1:
            case 2:
            case 3:
                // '订单已付款,等待备货中'
                ret.keyName = 'paid';
                break;
            case 4:
            case 5:
                // '订单已发货'
                ret.keyName = 'shipped';
                break;
            case 6:
                // '交易完成';
                ret.keyName = 'reback';
                break;
            default:
                ret.keyName = 'unknown';
        }
    }

    ret.statusStr = statusStr;

    return ret;
};

const _getOperateInfo = (orderCode, operators) => {
    return _.flatten(operators.map(it => ORDER_OP_ALL.filter(op => op.type === it).map((op) => {
        return Object.assign({}, op, {
            href: op.hrefFun(orderCode)
        });
    })));
};

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 _getUrlSafe = (url) => {
    if (!url) {
        return '';
    }

    const WhiteList = ['/special_', '/special/'];

    if (_.some(WhiteList, (val) => _.includes(url, val))) {
        return url;
    }

    return url.replace('http://', '//');
};


const _getExpressInfo = (orderCode, uid, paymentType, createTime, isDetail) => {
    return co(function * () {
        isDetail = isDetail || false;
        let result = {};

        result.logisticsUrl = '';
        result.logisticsImg = '';
        result.logisticsCompany = '';
        result.courierNumbe = '';
        result.logistics = [];

        if (paymentType === 1) {
            if (isDetail) {
                result.logistics.push('');
            } else {
                result.logistics.push(moment.unix(createTime).format('YYYY.MM.DD HH:mm:ss') + ' 您的订单已提交，等待付款');
            }
        }
        if (paymentType === 2) {
            if (isDetail) {
                result.logistics = result.logistics.concat([
                    moment.unix(createTime).format('YYYY-M-D H:m:s'),
                    ' ',
                    '您的订单已提交，等待审核'
                ]);
            } else {
                result.logistics.push(moment.unix(createTime).format('YYYY.MM.DD HH:mm:ss') + ' 您的订单已提交，等待审核');
            }
        }

        // 有物流
        if (orderCode) {
            let logistics = yield orderApi.getLogisticsData(orderCode, uid);

            if (_.has(logistics, 'data')) {
                result.logisticsUrl = _getUrlSafe(logistics.data.url);
                result.logisticsImg = logistics.data.logo || '';
                result.logisticsCompany = logistics.data.caption || '';
                result.courierNumbe = logistics.data.express_number || '';
                let expressDetail = logistics.data.express_detail || [];

                if (!_.isEmpty(expressDetail)) {
                    let logisticsTmp = result.logistics[0]; // 暂存

                    result.logistics = [];
                    expressDetail.forEach((value) => {
                        let pos = value.accept_address.indexOf(' ');

                        pos = pos === -1 ? 0 : pos;

                        let city = value.accept_address.substr(0, pos);
                        let exInfo = value.accept_address.substr(pos);

                        if (isDetail) {
                            result.logistics.push([value.acceptTime, city, exInfo]);
                        } else {
                            result.logistics.push(value.acceptTime + city + exInfo);
                        }
                    });

                    // 把最初的处理放最后
                    result.logistics.push(logisticsTmp);
                }
            }
        }

        return result;
    })();

};

/**
 * 获取我的订单列表数据
 */
const getOrders = (uid, page, limit, type, isPage)=> {
    return co(function *() {
        isPage = isPage || false;

        let orderInfo = yield orderApi.getUserOrders(uid, page, limit, type).then(res => _.get(res, 'data', {}));

        if (_.isEmpty(_.get(orderInfo, 'order_list', []))) {
            return {
                empty: ORDER_EMPTY_DESC[type] || '',
                list: []
            };
        }

        let result = {};

        const handleOrder = function(order) {
            order.payment_type = +order.payment_type;

            let newOrder = {};

            newOrder.orderNum = order.order_code; // 订单标识
            newOrder.orderTime = moment.unix(_.get(order, 'create_time')).format('YYYY-MM-DD HH:mm:ss');
            newOrder.time = _.get(order, 'create_time');
            newOrder.payType = _.get(order, 'payment_type');

            if (order.is_cancel === 'Y' || order.status === 6) {
                newOrder.canDelete = true; // 删除订单
            }

            let statusInfo = _getOrderStatus(order.is_cancel, order.status, order.payment_type,
                order.payment_status, order.status_str
            );

            // 订单状态
            if (statusInfo.cancel) {
                newOrder.cancel = statusInfo.cancel;
            } else {
                if (statusInfo.keyName) {
                    newOrder[statusInfo.keyName] = true;
                }
            }

            newOrder.statusStr = statusInfo.statusStr;

            newOrder.goods = _.get(order, 'order_goods', []).map((good) => {
                let newGood = {};

                newGood.href = helpers.getUrlBySkc(good.product_id, good.goods_id, good.cn_alphabet);
                newGood.thumb = helpers.image(good.goods_image, 100, 100);
                newGood.name = good.product_name;
                newGood.color = good.color_name;
                newGood.size = good.size_name;
                newGood.price = good.goods_price;

                let buyNum = _.parseInt(good.buy_number);
                let refundNum = _.parseInt(good.refund_num);

                newGood.count = buyNum;
                newGood.refundStatus = refundNum > 0;// 只要发生一件退换，退换过的标记
                newGood.goRefundUrl = helpers.urlFormat('/home/returns');
                newGood.arrivalDate = good.expect_arrival_time;
                let goodsTagName = _getGoodsTag(order.attribute, good.goods_type);

                if (goodsTagName) {
                    newGood[goodsTagName] = true;
                }

                return newGood;
            });

            newOrder.pay = order.amount; // 付款数
            newOrder.fregit = order.shipping_cost; // 邮费

            // 操作
            let op = _.get(order, 'links', []);

            op.unshift('showDetail');

            if (order.attribute === 9) {
                op = ['deposit'];
            }

            newOrder.operation = _getOperateInfo(order.order_code, op);
            return newOrder;
        };

        result.list = _.get(orderInfo, 'order_list', []).map(handleOrder);

        if (isPage) {
            result.pager = {
                total: orderInfo.total,
                pageTotal: orderInfo.page_total,
                page: orderInfo.page
            };
        }

        return result;
    })();
};

const index = (uid, page, limit, type) => {
    return co(function * () {
        let result = yield Promise.props({
            orders: getOrders(uid, page, limit, type, true),
            cancelReason: orderApi.closeReasons().then(res => _.get(res, 'data', ''))
        });

        result.pager = pager(_.get(result, 'orders.pager.total', 0), {page, limit, type});

        return Object.assign(result, {
            tabs: _getTabs(type)
        });
    })();
};

const reBuy = (uid, orderId) => {
    return co(function * () {
        let newOrder = yield orderApi.reBuy(uid, orderId);

        if (newOrder.code !== 200) {
            return {
                code: 400,
                message: '商品加入购物车失败'
            };
        }

        return {
            code: 200,
            message: '商品已重新加入购物车',
            data: newOrder.data
        };
    })();
};

const del = co(function * (uid, gender, channel, orderId) {
    let orderInfo = yield orderApi.del(uid, gender, channel, orderId);

    if (!_.has(orderInfo, 'code')) {
        return {
            code: 400,
            message: '删除失败'
        };
    }

    return orderInfo;
});

const _getVirtualPro = (isCancel, status, createTime) => {
    let process = {
        middleStatus: [
            {
                name: '1. 提交订单',
                date: moment.unix(createTime).format('YYYY.MM.DD HH:mm:ss')
            },
            {
                name: '2. 已发货'
            },
            {
                name: '3. 交易完成'
            }
        ]
    };

    if (isCancel === 'N') {
        if (status === 0) {
            process.percent = '30%';
            process.middleStatus[0].cur = true;
        } else if (status > 0 && status < 6) {
            process.percent = '80%';
            process.middleStatus[1].cur = true;
        } else if (status === 6) {
            process.percent = '100%';
            process.middleStatus[3].cur = true;
        }
    }

    return process;
};

const _getNormalPro = (isCancel, status, createTime) => {
    let process = {
        middleStatus: [
            {
                name: '1. 提交订单',
                date: moment.unix(createTime).format('YYYY.MM.DD HH:mm:ss')
            },
            {
                name: '2. 商品出库'
            },
            {
                name: '3. 等待收货'
            },
            {
                name: '4. 交易完成'
            }
        ]
    };

    if (isCancel === 'N') {
        if (status === 0) {
            process.percent = '25%';
            process.middleStatus[0].cur = true;
        } else if (status > 0 && status < 4) {
            process.percent = '50%';
            process.middleStatus[1].cur = true;
        } else if (status >= 4 && status < 6) {
            process.percent = '75%';
            process.middleStatus[2].cur = true;
        } else if (status === 6) {
            process.percent = '100%';
            process.middleStatus[3].cur = true;
        }
    }

    return process;
};

const _getOrderDetailOp = (orderId, payment, status,
                           isCancel, paymentStatus, paymentType,
                           orderType, attribute, refundStatus) => {
    let operation = {};

    //立刻付款
    if (paymentType === 1 && paymentStatus === 'N' && isCancel === 'N' && payment !== 19) {
        Object.assign(operation, {
            goPay: helpers.urlFormat('/shopping/pay', {ordercode: orderId})
        });
    }

    //取消订单
    if (status < 3 && isCancel === 'N' && paymentStatus === 'N' && orderType !== 5) {
        Object.assign(operation, {
            cancelOrder: true
        });
    }

    //订单已支付
    if (paymentType === 1 && paymentStatus === 'Y' && status < 6) {
        Object.assign(operation, {
            paid: true
        });
    }

    //确认收货
    if (status >= 4 && status < 6 && refundStatus === 0 && attribute !== 3 && isCancel === 'N') {
        Object.assign(operation, {
            shipped: true
        });
    }

    //订单已取消
    if (isCancel === 'Y') {
        Object.assign(operation, {
            cancel: true
        });
    }

    //虚拟查看二维码
    if (attribute === 3) {
        Object.assign(operation, {
            checkQrCode: helpers.urlFormat('/home/orders/ticket', {orderCode: orderId})
        });
    }

    return operation;
};

const _getPackageInfo = (cartInfo) => {
    // 是否拆单
    if (cartInfo.is_multi_package !== 'Y') {
        return [];
    }

    return _.get(cartInfo, 'package_list', []).map((pack, i) => {
        let newPack = {};

        newPack.title = (pack.supplier_id === 0) ? `包裹${i}:总仓发货` : `包裹${i}:异地调拨`;

        newPack.goodlist = _.get(pack, 'goods_list', []).map((good) => {
            let tagInfo = ChannelConfig.orderTagArr[good.goods_type] || '';

            return {
                src: helpers.image(good.goods_images, 90, 90),
                goodsType: tagInfo.name || '',
                classname: tagInfo.classname || '',
                link: 'javascritp:void(0)'
            };
        });

        newPack.fee = pack.shopping_cost === '0.00' ? '' : pack.shopping_cost;
        newPack.orign = pack.shopping_orig_cost;
        newPack.count = pack.shopping_cut_cost;

        return newPack;
    });
};

const _getOrderDetail = co(function * (uid, orderId) {
    let orderInfo = yield orderApi.getOrderDetail(uid, orderId);
    let detail = {};

    if (orderInfo.code === 400) {
        return orderInfo;
    }

    if (orderInfo.data) {
        let orderDetail = orderInfo.data;

        detail.orderNum = orderDetail.order_code;

        // 订单状态
        let statusInfo = _getOrderStatus(
            orderDetail.is_cancel, +orderDetail.status,
            orderDetail.payment_type, orderDetail.payment_status, orderDetail.status_str
        );

        detail.statusStr = statusInfo.statusStr;

        // 订单是否已完成
        detail.complete = +orderDetail.status === 6;

        detail.progress = statusInfo.cancel ? false : (function() {
            //未取消订单，进度
            if (orderDetail.attribute === 3) {
                return _getVirtualPro(orderDetail.is_cancel, +orderDetail.status, orderDetail.create_time);
            } else {
                return _getNormalPro(orderDetail.is_cancel, +orderDetail.status, orderDetail.create_time);
            }
        }());

        // 物流信息
        detail.traceOrder = {};
        detail.traceOrder.orderDate = moment.unix(orderDetail.create_time).format('YYYY.MM.DD HH:mm:ss');
        let expressInfo = yield _getExpressInfo(orderId, uid, +orderDetail.payment_type, orderDetail.create_time, true);

        detail.traceOrder.logistics = expressInfo.logistics;

        if (_.get(expressInfo, 'logistics[0]')) {
            detail.hastrace = true;
        } else {
            detail.hastrace = false;
        }

        detail.traceOrder.logisticsCompany = expressInfo.logisticsCompany;
        detail.traceOrder.courierNumbe = expressInfo.courierNumbe;

        //虚拟商品
        if (orderDetail.attribute === 3) {
            detail.virtualGoods = true;
            detail.virtualPayMode = {
                payMode: ChannelConfig.payType[orderDetail.payment_type],
                phone: _.fill(orderDetail.mobile.split(''), '*', 3, 4).join('')
            };
        } else {
            detail.virtualGoods = false;
            detail.noramlPayMode = {
                payMode: ChannelConfig.payType[orderDetail.payment_type],
                payWay: orderDetail.payment_name,
                deliverTime: orderDetail.delivery_time || ''
            };

            //配送信息
            detail.orderInfo = {
                receiver: orderDetail.user_name,
                address: orderDetail.area + orderDetail.address,
                phone: _.fill(orderDetail.mobile.split(''), '*', 3, 4).join('') +
                (orderDetail.phone ? ',' + _.fill(orderDetail.phone.split(''), '*', 3, 5).join('') : '')
            };

            detail.editInfo = {
                userName: orderDetail.user_name,
                address: orderDetail.address,
                areaCode: orderDetail.area_code,
                mobile: orderDetail.mobile,
                phoneNum: _.nth(_.split(orderDetail.phone), 0) || '',
                phoneCode: _.nth(_.split(orderDetail.phone), 1) || ''
            };
        }

        // 商品信息
        if (orderDetail.order_goods) {
            detail.goods = _.get(orderDetail, 'order_goods', []).map((good) => {
                return {
                    url: helpers.getUrlBySkc(good.product_id, good.goods_id, good.cn_alphabet),
                    img: helpers.image(good.goods_image, 60, 60),
                    name: good.product_name,
                    color: good.factory_color_name,
                    size: good.size_name,
                    price: good.goods_price,
                    coin: good.yoho_give_coin,
                    num: good.buy_number,
                    sum: good.goods_amount,
                    sku: good.product_sku,
                    [_getGoodsTag(good.attribute, good.goods_type)]: true
                };
            });
        }

        //详情页-订单付费详情
        if (orderDetail.promotion_formulas) {
            detail.orderBalance = _.get(orderDetail, 'promotion_formulas', []).map((promotion) => {
                return {
                    promotion: promotion.promotion,
                    account: promotion.promotion_amount
                };
            });

            detail.orderBalance.push({
                promotion: '实际应支付',
                account: orderDetail.amount
            });
        }

        //发票
        if (orderDetail.invoice) {
            detail.invoiceMode = true;
            detail.invoiceType = _.get(orderDetail, 'invoice.type') === 2 ? '电子发票' : '纸质发票';
            detail.showInvoice = _.get(orderDetail, 'invoice.showInvoice');
            detail.pdfUrl = detail.showInvoice ? _.get(orderDetail, 'invoice.pdfUrl') : '';
            detail.title = _.get(orderDetail, 'invoice.title') || '';
            detail.contentValue = _.get(orderDetail, 'invoice.contentValue') || '个人';
        }

        detail.totalYoho = orderDetail.yoho_give_coin;
        detail.yohoCoinUrl = helpers.urlFormat('/help/detail', {id: 105}); // 有货币介绍
        detail.remark = orderDetail.remark;
        detail.operation = _getOrderDetailOp(orderDetail.order_cde, orderDetail.payment, +orderDetail.status,
            orderDetail.is_cancel, orderDetail.payment_status, orderDetail.payment_type,
            orderDetail.order_type, orderDetail.attribute, orderDetail.refund_status);

        detail.package = _getPackageInfo(orderDetail);

        //判断是否可以修改地址
        if (orderDetail.can_update_delivery_address === 'Y') {
            detail.changeable = true;
        }

        return detail;
    }
});

const updateDeliveryAddress = orderApi.updateDeliveryAddress;

const confirm = orderApi.confirmUserOrder;

const cancel = orderApi.cancelUserOrder;

const closeReason = () => {
    return orderApi.closeReasons().then((result) => {
        return _.get(result, 'data', []);
    });
};

const refundReason = () => {
    return orderApi.refundReason().then((result) => {
        return _.get(result, 'data', []);
    });
};

const refund = orderApi.refund;

const detail = co(function * (uid, orderId) {
    let apiData = yield Promise.props({
        detailData: _getOrderDetail(uid, orderId),
        reason: closeReason()
    });

    if (apiData.detailData.code === 400) {
        return {};
    }

    return {
        detail: apiData.detailData,
        package: apiData.detailData.package,
        cancelReason: apiData.reason
    };
});

const express = _.partial(_getExpressInfo, _, _, _, _, true);

module.exports = {
    index,
    ORDER_TYPE,
    reBuy,
    del,
    updateDeliveryAddress,
    confirm,
    cancel,
    detail,
    getOrders,
    closeReason,
    express,
    refund,
    refundReason
};