/* eslint-disable eqeqeq */
'use strict';

const ShopService = require('./shop.js');

// 订单服务类
class OrderService extends ShopService {
  /**
   * [statusNames 订单状态说明]
   * @return {[type]} [description]
   */
  get statusNames() {
    return [ '待付款', '待发货', '待收货', '待评价', '交易完成', '备货中(无效)', '订单已取消' ];
  }

  /**
   * [orderAction 订单操作记录]
   * @param  {Object} data [description]
   * @return {[type]}      [description]
   */
  async orderAction(data = {}, transaction = null) {
    const that = this;
    const createData = Object.assign({ create_time: that.app.szjcomo.date('Y-m-d H:i:s') }, data);
    const createBean = await that.app.comoBean.instance(createData, { transaction });
    const result = await that.service.base.create(createBean, that.app.model.OrdersAction, '订单操作记录失败,请重试');
    return result;
  }

  /**
   * [orderLogs 查询订单操作日志]
   * @param  {[type]} order_id [description]
   * @return {[type]}          [description]
   */
  async orderLogs(order_id) {
    const that = this;
    const seq = that.app.Sequelize;
    const selectBean = await that.app.comoBean.instance({}, {
      where: { order_id }, include: { model: that.app.model.AdminUser, as: 'admin_user', attributes: [] },
      attributes: {
        include: [ [ seq.col('admin_user.username'), 'username' ] ],
        exclude: [ 'admin_id', 'order_id' ],
      }, order: [ [ 'action_id', 'asc' ] ],
    });
    const result = await that.service.base.select(selectBean, that.app.model.OrdersAction, '操作记录查询失败,请稍候重试', false, true);
    return result;
  }

  /**
   * [caclPaymentMoney 计算用户需要支付的金额]
   * @param  {[type]} data        [description]
   * @param  {[type]} orderAmount [description]
   * @param  {[type]} transaction [description]
   * @return {[type]}             [description]
   */
  async caclPaymentMoney(data, orderAmount, transaction = null) {
    const that = this;
    const userMoney = await that.getUserMoney(data.user_id, transaction);
    let payment_money = 0;
    const surplus_amout = userMoney >= orderAmount ? orderAmount : userMoney;
    if (surplus_amout < orderAmount) payment_money = (orderAmount - surplus_amout);
    return { surplus_amout, payment_money };
  }

  /**
   * [caclPaymentMoneyV2 计算用户需要支付的金额]
   * @param  {[type]} data        [description]
   * @param orderAmount
   * @param  {[type]} transaction [description]
   * @param isUseMoney 是否使用余额抵扣
   * @return {[type]}             [description]
   */
  async caclPaymentMoneyV2(data, orderAmount = {
    orderPriceCanDiscount: 0,
    orderPriceNotDiscount: 0,
  }, transaction = null, isUseMoney = false) {
    const that = this;
    let userMoney = 0;
    if (isUseMoney) {
      userMoney = await that.getUserMoney(data.user_id, transaction);
    } else {
      userMoney = 0;
    }
    let payment_money = 0;
    const surplus_amout = userMoney >= (orderAmount.orderPriceCanDiscount * 0.1) ? (orderAmount.orderPriceCanDiscount * 0.1) : userMoney;
    const totalAmount = orderAmount.orderPriceCanDiscount + orderAmount.orderPriceNotDiscount;
    if (surplus_amout < totalAmount) payment_money = (totalAmount - surplus_amout);
    return { surplus_amout, payment_money };
  }

  /**
   * [getSurplusPayParams 用户余额支付操作]
   * @param  {Number} order_id [description]
   * @param  {Number} user_id  [description]
   * @return {[type]}          [description]
   */
  async getSurplusPayParams(order_id, user_id = 0, surplus_amout = 0, transaction = null) {
    const that = this;
    const user = await that.app.model.Users.findOne({
      where: { user_id },
      attributes: [ 'openid' ],
      transaction,
    });
    const tmp = {
      openid: user.openid || '',
      total_fee: surplus_amout * 100,
      user_id,
      pay_id: 0,
      cash_fee: surplus_amout * 100,
    };
    const result = await that.service.shop.createPaymentLog(tmp, transaction);
    const updateBean = await that.app.comoBean.instance({ order_status: 1, pay_sn: result.out_trade_no }, {
      transaction, where: { order_id, user_id },
    });
    const res = await that.service.base.update(updateBean, that.app.model.Orders, '订单状态更新失败,请稍候重试');
    await that.service.shop.orderPrinter(order_id);
    return { payment_money: 0, params: {}, paymoney_type: 0 };
  }

  /**
   * [getOrederPrinterInfo 获取打印订单的详情]
   * @param  {[type]} order_id [description]
   * @return {[type]}          [description]
   */
  async getOrederPrinterInfo(order_id) {
    const that = this;
    const seq = that.app.Sequelize;
    const selectBean = await that.app.comoBean.instance({}, {
      where: { order_id },
      include: [
        { model: that.app.model.PaysConfig, attributes: [], as: 'pays_config' },
        { model: that.app.model.Users, as: 'users', attributes: [] },
        { model: that.app.model.Users, as: 'inviter', attributes: [] },
        { model: that.app.model.Payments, as: 'payments', attributes: [] },
        {
          model: that.app.model.OrdersProducts, as: 'orders_products', attributes: {
            exclude: [ 'product_id', 'create_time', 'order_id', 'activity_name', 'activity_id', 'activity_desc' ],
          },
        },
      ],
      attributes: [
        [ seq.col('pays_config.pay_name'), 'pay_name' ],
        [ seq.col('users.nickname'), 'userName' ],
        [ seq.col('inviter.nickname'), 'inviterName' ],
        [ seq.col('payments.total_fee'), 'total_fee' ],
        'order_status', 'pay_sn', 'consignee', 'mobile', 'address',
        'create_time', 'order_sn', 'order_amount', 'surplus_amout', 'user_remarks',
      ],
    });
    const result = await that.service.base.select(selectBean, that.app.model.Orders, '查询订单详情失败,请稍候重试', false, false);
    result.order_status = that.statusNames[result.order_status];
    result.order_amount = Number(result.order_amount)
      .toFixed(2);
    result.surplus_amout = Number(result.surplus_amout)
      .toFixed(2);
    const resultTemp1 = JSON.stringify(result);
    const result2 = JSON.parse(resultTemp1);
    result2.total_fee = result2.total_fee ? (Number(result2.total_fee) / 100).toFixed(2)
      .toString() : '0.00';
    const goods = [];
    result2.orders_products.forEach(item => {
      goods.push(`${item.product_name}${'【' + item.product_sn + '】'}${item.volume > 0 ? item.volume + 'ml' : ''}\tx\t${item.product_count}`);
    });
    result2.goods = goods.join('\n');
    result2.nickname = result2.inviterName ? result2.userName + '【邀请人：' + result2.inviterName + '】' : result2.userName;
    return result2;
  }

  /**
   * [orderDataCount 订单数据统计]
   * @return {[type]} [description]
   */
  async orderDataCount() {
    const that = this;
    const seq = that.app.Sequelize;
    const orderCount = await that.app.model.Orders.count({
      group: [ 'order_status' ],
    });
    const saleCount = await that.app.model.Orders.sum('order_amount', { where: { order_status: { [seq.Op.in]: [ 1, 2, 3, 4 ] } } });
    const surplusCount = await that.app.model.Orders.sum('surplus_amout', { where: { order_status: { [seq.Op.in]: [ 1, 2, 3, 4 ] } } });
    const result = { data_count: orderCount, sale_money: saleCount, surplus_money: surplusCount };
    return result;
  }

  /**
   * [saleDataCount 销售数量统计]
   * @return {[type]} [description]
   */
  async saleDataCount(day = 20) {
    const that = this;
    const curTime = that.app.szjcomo.time();
    const seq = that.app.Sequelize;
    const times = [];
    for (let i = 0; i < day; i++) {
      const tmpTime = curTime - i * 24 * 60 * 60;
      times.push([ `${that.app.szjcomo.date('Y-m-d', tmpTime)} 00:00:00`, `${that.app.szjcomo.date('Y-m-d', tmpTime)} 23:59:59` ]);
    }
    const orders = await that.app.model.Orders.findAll({
      where: {
        create_time: { [seq.Op.between]: [ times[day - 1][0], times[0][1] ] },
        order_status: { [seq.Op.gt]: 0 },
      },
      attributes: [ 'order_amount', 'create_time' ], raw: true,
    });
    const result = [];
    times.forEach(item => {
      const startTime = that.app.szjcomo.strToTime(item[0]);
      const endTime = that.app.szjcomo.strToTime(item[1]);
      const tmpData = { date: that.app.szjcomo.date('m-d', startTime), money: 0 };
      orders.forEach(childItem => {
        const tmpTime = that.app.szjcomo.strToTime(childItem.create_time);
        if (tmpTime >= startTime && tmpTime <= endTime) {
          tmpData.money += childItem.order_amount;
        }
      });
      result.push(tmpData);
    });
    return result;
  }

  /**
   * [productStockSub 发货后扣除库存]
   * @param  {Array}  products    [description]
   * @param  {[type]} transaction [description]
   * @return {[type]}             [description]
   */
  async productStockSub(order_id, transaction = null, index = 2) {
    const that = this;
    const product_stock_subtime = await that.service.configs.getConfigValue('product_stock_subtime');
    if (Number(product_stock_subtime) != index) return false;
    const seq = that.app.Sequelize;
    const products = await that.app.model.OrdersProducts.findAll({
      where: { order_id }, attributes: [ 'product_id', 'deliver_count' ], raw: true,
      transaction,
    });
    if (!products.length) return false;
    for (let i = 0; i < products.length; i++) {
      const item = products[i];
      const updateData = {
        product_stock: seq.literal(`product_stock - ${item.deliver_count}`),
        sale_count: seq.literal(`sale_count + ${item.deliver_count}`),
        update_time: that.app.szjcomo.date('Y-m-d H:i:s'),
      };
      const res = await that.app.model.Products.update(updateData, {
        where: { product_id: item.product_id },
        transaction,
      });
      if (!res) throw new Error('库存扣除失败,请稍候重试');
    }
    return true;
  }
}

module.exports = OrderService;