const express = require('express');
const moment = require('moment');
const _ = require('lodash');
const { query, body } = require('express-validator');
const { onSuccess, fill, createTradeNo, onError } = require('../../../utils');
const { limit, ORDER_STATUS } = require('../../config');
const check = require('../../../middleware/check');
const Order = require('../../../db/models/order');
const SysUser = require('../../../db/fuxi/sys_user');
const Teacher = require('../../../db/models/teacher');
const Course = require('../../../db/models/course');
const Channel = require('../../../db/models/channel');
const { Op } = require('sequelize');

const router = express.Router();
const _ORDER_STATUS = _.invert(ORDER_STATUS);
async function fillSingle(data) {
  const { uid, recordId, channel } = data;
  const tdata = await Promise.all([
    SysUser.findOne({ where: { id: uid } }),
    // Teacher.findOne({ where: { id: recordId } }),
  ]);
  data.channelName = '在线支付';
  if (channel) {
    const cdata = await Channel.findOne({ where: { id: channel } });
    data.channelName = cdata.name;
  }
  Object.assign(data, _.pick(tdata[0], ['login', 'phoneNumber']));
  // data.recordName = tdata[1].name;
  // data.recordPhone = tdata[1].phone;
  data.statusStr = _ORDER_STATUS[data.status];
  return data;
}
/**
 * showdoc
 * @catalog v1/订单
 * @title 订单列表
 * @description 订单列表接口
 * @method GET
 * @url  /master/order/
 * @param  page 0 Int 页码: 不传默认取第1页数据，每页20条数据
 * @param  id 0 string 订单id
 * @param  title 0 string 课程名
 * @param  uname 0 string 用户名
 * @param  stime 0 string 支付开始时间
 * @param  etime 0 string 支付结束时间
 * @param  status 0 string 订单状态
 * @param  channel 0 string 来源
 * @return {"code":0, "count":1, "data": []}
 * @return_param  id string id
 * @return_param  cid integer 课程id
 * @return_param  title string 课程名
 * @return_param  price decimal 支付价格
 * @return_param  uid integer 用户id
 * @return_param  payAt date 支付时间
 * @return_param  channel integer 1在线支付2渠道
 * @return_param  createdAt date -
 * @return_param  updatedAt date -
 * @remark
 * @number
 */
router.get('/', async (req, res) => {
  const { page = 0, title, uname, stime, etime, channel, phone } = req.query;
  const where = _.omit(req.query, ['page', 'uname', 'stime', 'etime', 'phone']);
  if (title) {
    where.title = { [Op.like]: `%${title}%` };
  }
  if (stime || etime) {
    where.payAt = {};
    stime && (where.payAt[Op.gte] = moment(stime).startOf('d'));
    etime && (where.payAt[Op.lte] = moment(etime).endOf('d'));
  }
  if (uname || phone) {
    const where2 = {};
    if (uname) {
      where2.login = { [Op.like]: `%${uname}%` };
    }
    if (phone) {
      where2.phoneNumber = { [Op.like]: `%${phone}%` };
    }
    const uList = await SysUser.findAll({
      where: where2,
      attributes: ['id'],
    });
    where.uid = { [Op.in]: uList.map(item => item.id) };
  }
  const info = onSuccess();
  info.data = await Order.findAll({ where, limit, offset: page * limit });

  info.data = await fill(info.data, fillSingle);
  if (!page) {
    info.count = await Order.count({ where });
  }
  res.send(info);
});
/**
 * showdoc
 * @catalog v1/订单
 * @title 订单详情
 * @description
 * @method GET
 * @url  /master/order/:id
 * @param  :id 1 STRING 详情ID
 * @return {"code":0, "data": {}}
 * @return_param  id string id
 * @return_param  cid integer 课程id
 * @return_param  price decimal 支付价格
 * @return_param  uid integer 用户id
 * @return_param  payAt date 支付时间
 * @return_param  channel integer 1在线支付2渠道
 * @return_param  createdAt date -
 * @return_param  updatedAt date -
 * @remark
 * @number
 */
router.get('/:id', async (req, res) => {
  let data = await Order.findOne({ where: req.params });
  data = await fill(data, fillSingle);
  res.send(onSuccess(data));
});
/**
 * showdoc
 * @catalog v1/订单
 * @title 订单添加
 * @description
 * @method POST
 * @url  /master/order/
 * @param  cid  integer 课程id
 * @param  uid  integer 用户id
 * @param  channel  integer 1在线支付2渠道
 * @return {"code":0, "data": {}}
 * @remark
 * @number
 */
router.post('/', check([body([]).notEmpty()]), async (req, res) => {
  const { channel, uid, cid } = req.body;
  const cdata = await Course.findOne({ where: { id: cid } });
  if (!cdata) {
    return onError('课程不存在');
  }
  const { title, price, detailimg, recordId } = cdata;
  const id = createTradeNo();
  const odata = await Order.create({
    id,
    cid,
    uid,
    title,
    detailimg,
    price: 0,
    recordId,
    channel,
    status: ORDER_STATUS.渠道,
  });
  res.send(onSuccess(odata));
});
/**
 * showdoc
 * @catalog v1/订单
 * @title 订单删除
 * @description
 * @method DELETE
 * @url  /master/order/:id
 * @param  :id 1 STRING 详情ID
 * @return {"status":0, "msg": "删除成功"}
 * @remark
 * @number
 */
router.delete('/:id', async (req, res) => {
  const odata = await Order.findOne({ where: req.params });
  if (odata && odata.channel === 0) {
    return res.send(onError('在线支付订单不可删除'));
  }
  const data = await Order.destroy({ where: req.params, limit: 1 });
  res.send(onSuccess(null, '删除成功'));
});
module.exports = router;