const sequelize = require('sequelize');
const express = require('express');
const _ = require('lodash');
const { query, body } = require('express-validator');
const { onSuccess, fill } = require('../../../utils');
const { limit } = require('../../config');
const check = require('../../../middleware/check');
const Area = require('../../../db/models/area');
const Sample = require('../../../db/models/sample');
const { Op } = require('sequelize');

const router = express.Router();

async function fillSingle(data) {
  return data;
}

/**
 * showdoc
 * @catalog v1/商家/地区
 * @title ai地区列表
 * @description ai地区列表接口
 * @method GET
 * @url  /business/area/ai
 * @param  type 1 integer 1省2市3地区
 * @param  provinceId 0 integer 省id
 * @param  cityId 0 integer 市id
 * @return {"code":0, "count":1, "data": []}
 * @return_param  id integer id
 * @return_param  name string 地区名
 * @return_param  cityId integer 市id
 * @return_param  provinceId integer 省id
 * @return_param  type integer 1省2市3地区
 * @return_param  pinyin string 首字母
 * @return_param  createdAt date -
 * @return_param  updatedAt date -
 * @remark
 * @number
 */
router.get('/ai', async (req, res) => {
  const { page = 0, type } = req.query;
  const where = _.omit(req.query, ['page']);
  const info = onSuccess();
  if (type === '1') {
    // const psArr = await Sample.findAll({
    //   distinct:['province_id']
    //   attributes: [[sequelize.fn('DISTINCT', sequelize.col('province_id')), 'pid']],
    // });
    const psArr = await Sample.aggregate('provinceId', 'DISTINCT', { plain: false });

    // const psArr = await Sample.findAll({
    //   attributes: ['province_id'],
    //   group: ['province_id'],
    // });
    console.log(psArr);
    where.id = { [Op.in]: psArr.map(i => i.DISTINCT) };
  } else if (type === '2') {
    // const psArr = await Sample.findAll({
    //   attributes: ['city_id'],
    //   group: ['city_id'],
    // });
    const psArr = await Sample.aggregate('cityId', 'DISTINCT', { plain: false });

    where.id = { [Op.in]: psArr.map(i => i.DISTINCT) };
  } else {
    // const psArr = await Sample.findAll({
    //   attributes: ['region_id'],
    //   group: ['region_id'],
    // });
    const psArr = await Sample.aggregate('regionId', 'DISTINCT', { plain: false });
    where.id = { [Op.in]: psArr.map(i => i.DISTINCT) };
  }
  info.data = await Area.findAll({ where, all: true });
  info.data = await fill(info.data, fillSingle);
  if (!page) {
    info.count = await Area.count({ where });
  }
  res.send(info);
});
/**
 * showdoc
 * @catalog v1/商家/地区
 * @title 地区详情
 * @description
 * @method GET
 * @url  /business/area/:id
 * @param  :id 1 STRING 详情ID
 * @return {"code":0, "data": {}}
 * @return_param  id integer id
 * @return_param  name string 地区名
 * @return_param  cityId integer 市id
 * @return_param  provinceId integer 省id
 * @return_param  type integer 1省2市3地区
 * @return_param  pinyin string 首字母
 * @return_param  createdAt date -
 * @return_param  updatedAt date -
 * @remark
 * @number
 */
router.get('/:id', async (req, res) => {
  let data = await Area.findOne({ where: req.params });
  data = await fill(data, fillSingle);
  res.send(onSuccess(data));
});

module.exports = router;