'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const _ = require('lodash');
const assert = require('assert');
const crypto = require('crypto');

class Kd100Service extends CrudService {
  constructor(ctx) {
    super(ctx, 'kd100');
    this.httpUtil = this.ctx.service.util.httpUtil;
    this.kd100Api = 'https://poll.kuaidi100.com/poll/query.do';
  }

  async search({ no, type }) {
    const customer = '5EC65D1966B410C333013563B7156AEE';
    const key = 'jrwohIUD2299';
    const param = { com: type, num: no };
    const md5Str = `${JSON.stringify(param)}${key}${customer}`;
    const sign = _.toUpper(await this.getSign(md5Str));
    const body = { customer, sign, param: JSON.stringify(param) };
    console.log(body);
    const res = await this.ctx.curl(this.kd100Api, {
      method: 'POST',
      data: body,
      dataType: 'json',
      contentType: 'application/x-www-form-urlencoded',
    });
    if (res.status === 200) return res.data;
  }

  async getSign(data) {
    const md5 = crypto.createHash('md5');
    return md5.update(data).digest('hex');
  }
}

module.exports = Kd100Service;