'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const _ = require('lodash');
const jwt = require('jsonwebtoken');
// 专家
class ExpertService extends CrudService {
  constructor(ctx) {
    super(ctx, 'expert');
    this.personal = this.ctx.model.User.Personal;
    this.model = this.ctx.model.User.Expert;
  }

  async query({ skip = 0, limit, ...condition } = {}) {
    condition = this.ctx.service.util.util.dealQuery(condition);
    const { code, status, company, name, phone } = condition;
    const query = {};
    if (code) query.code = code;
    if (status) query['expert.status'] = status;
    if (name) query.name = name;
    if (phone) query.phone = phone;
    if (company) {
      if (company === '中科系') {
        query['expert.company'] = { $in: [ '中科院长春分院', '中国科学院东北地理与农业生态研究所', '中国科学院长春应用化学研究所', '中科院长春光学精密机械与物理研究所' ] };
      } else if (company === '其他') {
        query['expert.company'] = {
          $nin: [ '中科院长春分院', '中国科学院东北地理与农业生态研究所', '中国科学院长春应用化学研究所', '中科院长春光学精密机械与物理研究所', '吉林大学', '长春工业大学' ],
        };
      } else query['expert.company'] = company;
    }
    const data = await this.model.find(query).skip(parseInt(skip)).limit(parseInt(limit));
    const total = await this.model.count(query);
    // // 因为聚合管道要兼容使用limit,所以当不传limit时,可能需要所有数据,要手动查出limit
    // if (!limit) limit = await this.model.count();
    // const aggArr = [
    //   { $match: { is_expert: true } },
    //   { $project: { name: 1, phone: 1, email: 1, code: 1, expert: 1 } },
    //   {
    //     $lookup: {
    //       from: 'expert',
    //       localField: '_id',
    //       foreignField: 'user_id',
    //       as: 'expert',
    //     },
    //   },
    //   { $unwind: '$expert' },
    //   { $match: query },
    // ];
    // const dataAggArr = _.cloneDeep(aggArr);
    // if (skip) dataAggArr.push({ $skip: parseInt(skip) });
    // if (limit > 0) dataAggArr.push({ $limit: parseInt(limit) });
    // let data = await this.personal.aggregate(dataAggArr);
    // data = data.map(i => {
    //   const { expert, ...info } = _.omit(i, [ '_id' ]);
    //   const object = { ...expert, ...info };
    //   return object;
    // });
    // const totalSearch = await this.personal.aggregate(aggArr);

    // const total = _.get(_.head(totalSearch), 'total', 0);
    return { data, total };
  }

  // async fetch({ user_id }) {
  //   const personal = await this.personal.findById(user_id, 'name phone email code');
  //   if (!personal) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到个人用户部分信息');
  //   let expert = await this.model.findOne({ user_id });
  //   if (!expert) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到专家部分信息');
  //   expert = JSON.parse(JSON.stringify(expert));
  //   const pinfo = _.omit(JSON.parse(JSON.stringify(personal)), [ '_id' ]);
  //   expert = { ...pinfo, ...expert };
  //   return expert;
  // }

  /**
   * 创建用户
   * @param {Object} params 用户信息
   */
  async create({ password, ...data }) {
    data.password = { secret: password };
    const { phone } = data;
    // 检查手机号
    const num = await this.model.count({ phone, isdel: '0' });
    if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '已有专家用户使用该手机号');
    return await this.model.create(data);
  }

  async delete({ id }) {
    const object = await this.model.findById(id);
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    object.isdel = '1';
    await object.save();
  }

  /**
   * 修改密码
   * @param {Object} {id,password} 用户id和密码
   */
  async password({ id, password }) {
    const object = await this.model.findById(id);
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    object.password = { secret: password };
    await object.save();
  }

  /**
   * 登陆
   * @param {Object} params 登陆信息
   * @property phone 手机号
   * @property password 密码
   */
  async login({ phone, password, code }) {
    const object = await this.model.findOne({ phone, isdel: '0' }, '+password');
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    const { password: op, status } = object;
    const { secret } = op;
    if (status !== '1') throw new BusinessError(ErrorCode.ACCESS_DENIED, '拒绝访问!');
    if (secret !== password) throw new BusinessError(ErrorCode.BAD_PASSWORD, '密码错误');
    const data = _.omit(JSON.parse(JSON.stringify(object)), [ 'meta', 'password', '__v' ]);
    const { secret: secrets } = this.config.jwt;
    const token = jwt.sign(data, secrets);
    // 记录登陆
    // let number = await this.redis.get('login_number') || 0;
    // number++;
    // await this.redis.set('login_number', number);
    return token;
  }
}

module.exports = ExpertService;