'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const { ObjectId } = require('mongoose').Types;
const _ = require('lodash');
const assert = require('assert');
const moment = require('moment');
const { trimData } = require('naf-core').Util;
// 专利运营已授权专利预警表
class PatentearlyService extends CrudService {
  constructor(ctx) {
    super(ctx, 'patentearly');
    this.model = this.ctx.model.Patent.Patentearly;
    this.patentinfo = this.ctx.model.Patent.Patentinfo;
    this.personalModel = this.ctx.model.User.Personal;
    this.patentexamineModel = this.ctx.model.Patent.Patentexamine;
  }
  async query(query, { skip = 0, limit = 0 }) {
    const newquery = await this.resetCode(query);
    const res = await this.model.find(newquery).skip(parseInt(skip)).limit(parseInt(limit))
      .sort({ 'meta.createdAt': -1 });
    return res;
  }
  async count(query) {
    const newquery = await this.resetCode(query);
    const res = await this.model.countDocuments(trimData(newquery)).exec();
    return res;
  }

  async resetCode(query) {
    let newquery = _.cloneDeep(query);
    newquery = this.ctx.service.util.util.dealQuery(newquery);
    const { code, user_id } = newquery;
    let ids = [];
    if (code) {
      const plist = await this.personalModel.find({ code });
      ids = plist.map(i => i._id);
      if (ids.length > 0) {
        newquery.user_id = { $elemMatch: { $in: ids } };
        delete newquery.code;
      }
    } else if (user_id) {
      newquery.user_id = { $elemMatch: { $in: [ ObjectId(user_id) ] } };
    }

    return newquery;
  }

  async queryByOrg({ code, skip = 0, limit = 0 }) {
    assert(code, '缺少机构信息');
    let pids = await this.personalModel.find({ code }, { _id: 1 });
    if (pids.length <= 0) return { data: [], total: 0 };
    pids = pids.map(i => i._id);
    const query = { user_id: { $elemMatch: { $in: pids } } };
    const data = await this.model.find(query).skip(parseInt(skip)).limit(parseInt(limit))
      .sort({ 'meta.createdAt': -1 });
    const total = await this.model.count(query);
    return { data, total };
  }
  /**
   * 产生警告
   */
  async needWarning() {
    const limit = 5000;
    let skip = 0;
    // 一段一段查数据
    // skip += limit;
    let loop = true;
    while (loop) {
      const total = await this.searchAndDeal(skip, limit);
      if (total <= 0) loop = false;
      skip += limit;
    }
  }
  /**
   * 查找并处理
   * @param {Number} skip 开始位置
   * @param {Number} limit 结束位置
   */
  async searchAndDeal(skip, limit) {
    let total = 0;
    let data = await this.patentinfo.find({ term: '有效' }, { name: 1, user_id: 1, create_date: 1 }).skip(skip).limit(limit);
    if (data.length > 0) data = JSON.parse(JSON.stringify(data));
    total = data.length || 0;
    await this.dealData(data);
    return total;
  }

  /**
   *
   * @param {Array} data 处理数据
   */
  async dealData(data) {
    // 取出今天是不是在失效时间的前${limitMonth}个月范围内
    const limitMonth = 3;
    for (const i of data) {
      try {
        const { create_date } = i;
        // 专利到期时间
        const expire_date = moment(new Date()).format('YYYY') + '-' + moment(create_date).format('MM-DD');
        // 专利到期时间延后一个月
        const end = moment(expire_date).add(1, 'months').format('YYYY-MM-DD');
        // 专利到期前三个月
        const start = moment(end).subtract(limitMonth, 'months').format('YYYY-MM-DD');
        // 专利到期前两个月
        const start_two = moment(end).subtract(2, 'months').format('YYYY-MM-DD');
        // 专利到期前一个月
        const start_thr = moment(end).subtract(1, 'months').format('YYYY-MM-DD');
        // 判断是否是三个月的区间
        const r = moment().isBetween(start, end, null, '[]');
        // 判断是否在一个月的区间
        if (r) {
          // 三个月内的第一天||两个月内第一天||一个月内的每天 发送消息
          // 是否发送的变量
          let dr = false;
          const toDay = moment().format('YYYY-MM-DD');
          if (toDay === start || toDay === start_two || toDay === start_thr) {
            dr = true;
          }
          // 不发就继续
          if (!dr) continue;
          const { user_id } = i;
          const users = user_id.map(i => i.user_id);
          // 判断预警次数
          const early_num = toDay === start ? 1 : toDay === start_two ? 2 : toDay === start_thr ? 3 : '';
          // 截止日期
          const lose_date = end;
          const content = '您可能需缴年费了，具体以缴费通知书为准 ';
          const nobj = {
            ..._.omit(i, [ '_id', 'id', 'users' ]),
            content,
            parent_id: i._id,
            user_id: users,
            early_num,
            lose_date,
          };
          this.model.create(nobj);
          // 2021-11-04添加 向 patentexamine 表中添加数据
          const patentexamineArray = [];
          for (const i of user_id) {
            const { user_id } = i;
            // const peContent = `【${name}】 专利即将过期，请用户及时到相应功能模块中处理专利信息!`;
            const peContent = '您可能需缴年费了，具体以缴费通知书为准';
            const patentexamineObject = {
              to: user_id,
              content: peContent,
            };
            patentexamineArray.push(patentexamineObject);
          }
          this.patentexamineModel.insertMany(patentexamineArray);
        }
      } catch (error) {
        continue;
      }
    }
  }
}

module.exports = PatentearlyService;