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

// 拦截
class InterceptService extends CrudService {
  constructor(ctx) {
    super(ctx, 'intercept');
    this.redis = this.app.redis;
    this.hits = this.ctx.model.Hits;
    this.client = this.ctx.model.Client;
    this.httpUtil = this.ctx.service.util.httpUtil;
  }

  async freeWebCount() {
    const record = {};
    record.ip = _.get(this.ctx.request, 'header.x-real-ip');
    record.route = 'http://free.waityou24.cn/';
    const today = moment().format('YYYY-MM-DD');
    const _tenant = 'freeWeb';
    const todayData = await this.hits.findOne({ date: today, _tenant });
    if (todayData) {
      todayData.record.push(record);
      await todayData.save();
    } else {
      const obj = { date: today, _tenant, record };
      await this.hits.create(obj);
    }
    let res = await this.hits.aggregate([
      { $match: { _tenant } },
      { $unwind: '$record' },
      { $group: {
        _id: '$_tenant',
        sum: { $sum: 1 },
      } },
    ]);
    if (res && _.isArray(res)) {
      res = _.get(_.head(res), 'sum', 0);
    }
    return res;
  }


  async getDeal() {
    await this.count();
    const url = this.ctx.request.url.replace('/site', '');
    const res = await this.httpUtil.cget(url);
    return res;

  }

  async postDeal() {
    const url = this.ctx.request.url.replace('/site', '');
    const body = this.ctx.request.body;
    const res = await this.httpUtil.cpost(url, body);
    return res;
  }
  async deleteDeal() {
    const url = this.ctx.request.url.replace('/site', '');
    const body = this.ctx.request.body;
    const res = await this.httpUtil.cdelete(url, body);
    return res;
  }

  /**
   * 添加页面访问量和客户访问量
   * TODO 定时任务,将redis的数据放进数据库
   */
  async count() {
    try {
      const referer = _.get(this.ctx.request, 'header.referer');
      const clientIp = _.get(this.ctx.request, 'header.x-real-ip');
      // if (clientIp.includes('192.168')) {
      //   // 局域网随意
      //   console.info('local area network');
      //   return;
      // }
      const url = new URL(referer);
      const arr = url.pathname.split('/');
      if (arr.length <= 2) throw new BusinessError();
      const _tenant = arr[1];
      let project = await this.redis.get('project');
      if (!project) throw new BusinessError(ErrorCode.SERVICE_FAULT, '未设置中间层项目参数');
      project = JSON.parse(project);
      if (!project.includes(_tenant)) throw new BusinessError();
      const obj = { ip: clientIp, create_time: moment().format('YYYY-MM-DD HH:mm:ss') };
      // 访问量的添加
      let hitsList = await this.redis.get(`${_tenant}/hitsList`);
      if (!hitsList) {
        hitsList = [{ ...obj, route: url.pathname }];
        await this.redis.set(`${_tenant}/hitsList`, JSON.stringify(hitsList));
      } else {
        hitsList = JSON.parse(hitsList);
        const is_in = hitsList.find(f => f.ip === obj.ip && f.create_time === obj.create_time);
        if (!is_in) {
          hitsList.push({ ...obj, route: url.pathname });
          await this.redis.set(`${_tenant}/hitsList`, JSON.stringify(hitsList));
        }
      }
      // 用户(ip)访问添加
      let clientList = await this.redis.get(`${_tenant}/clientList`);
      if (!clientList) {
        clientList = [ obj ];
        await this.redis.set(`${_tenant}/clientList`, JSON.stringify(clientList));
      } else {
        clientList = JSON.parse(clientList);
        const t_s = moment().format('YYYY-MM-DD');
        const t_e = moment().add(1, 'd').format('YYYY-MM-DD');
        const is_in = clientList.find(f => f.ip === obj.ip && moment(f.create_time).isBetween(t_s, t_e, null, '[]'));
        if (!is_in) {
          clientList.push(obj);
          await this.redis.set(`${_tenant}/clientList`, JSON.stringify(clientList));
        }
      }
    } catch (error) {
      console.log(error);
      throw new BusinessError(ErrorCode.ACCESS_DENIED, '非法连接!');
    }

  }

  async check() {
    let project = await this.redis.get('project');
    if (!project) throw new BusinessError(ErrorCode.SERVICE_FAULT, '为设置中间层项目参数');
    project = JSON.parse(project);
    for (const _tenant of project) {
      let hitsList = await this.redis.get(`${_tenant}/hitsList`);
      if (hitsList) {
        hitsList = JSON.parse(hitsList);
        const today = await this.hits.findOne({ date: moment().format('YYYY-MM-DD'), _tenant });
        if (today) {
          today.record.push(...hitsList);
          await today.save();
        } else {
          await this.hits.create({ date: moment().format('YYYY-MM-DD'), record: hitsList || [], _tenant });
        }
        await this.redis.del(`${_tenant}/hitsList`);
      }
      let clientList = await this.redis.get(`${_tenant}/clientList`);
      if (clientList) {
        clientList = JSON.parse(clientList);
        const today = await this.client.findOne({ date: moment().format('YYYY-MM-DD') });
        if (today) {
          today.record.push(...clientList);
          today.record = _.uniqBy(today.record, 'ip');
          await today.save();
        } else {
          await this.client.create({ date: moment().format('YYYY-MM-DD'), record: clientList || [], _tenant });
        }
        await this.redis.del(`${_tenant}/clientList`);
      }
    }

  }
}

module.exports = InterceptService;