'use strict';


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

class IntelligentDockingService extends CrudService {
  constructor(ctx) {
    super(ctx, 'intelligent_docking');
    this.model = this.ctx.model.IntelligentDocking;
    this.fmodel = this.ctx.model.IntelligentFollow;
    this.tmodel = this.ctx.model.Tfinanceclaims;
  }

  // 小程序  银企对接接口
  async intelligentDocking(data) {
    // const { uid, company_name, code, person, opening_bank, orientation, money, claims_min_term, claims_max_term,
    //   mongey_min_rate, mongey_max_rate, ensure_id, when, additional_information } = data;
    const { uid, company_name, person, phone, money, ensure_id, orientation, additional_information } = data;
    assert(uid, company_name && person && phone && money && ensure_id && orientation && additional_information, '缺少部分信息项');

    // 判断该企业是否有在进行中的需求（一个企业只能有一个进行中的需求）
    // const companyList = await this.model.find({ uid, status: '0' });
    const companyList = await this.model.aggregate([
      { $match: { uid } },
      { $project:
          {
            uid: 1,
            xqId: { $toString: '$_id' },
          },
      },
      { $lookup:
          {
            from: 'intelligent_follow',
            localField: 'xqId',
            foreignField: 'intelligentId',
            as: 'intelligent',
          },
      },
      { $unwind: { path: '$intelligent' } },
      {
        $project:
          {
            xqid: 1,
            uid: 1,
            creditStatus: '$intelligent.creditStatus',
          },
      },
      {
        $match:
          {
            $expr:
              {
                $and:
                  [{
                    $ne: [ '$creditStatus', '1' ],
                  },
                  {
                    $ne: [ '$creditStatus', '3' ],
                  },

                  ],
              },
          },
      },

    ]);
    if (companyList.length > 0) {
      return '您有一个正在进行中的对接需求,请完成后再近些申请';
    }
    // 需求
    const condition = { orientation, money, ensure_id };
    // 对接产品
    const products = await this.findFinanceClaimsList(condition);

    const date = new Date();
    const create_time = moment(date).format('YYYY-MM-DD HH:mm:ss');
    data.create_time = create_time;

    let res;
    if (products.length > 0) {
      console.log(products[0]);
      data.cid = products[0]._id;
      data.jg_id = products[0].uid;// 金融机构id

      try {
        res = await this.model.create(data);
      } catch (error) {
        console.log(error);
        res = error;
      }
    } else {
      res = '没有符合条件的融资产品，请重新调整需求';
    }
    return res;
  }

  // 根据对接条件查询产品
  async findFinanceClaimsList(data) {
    // opening_bank 传的是金融机构的id
    const { orientation, money, ensure_id } = data;
    // 已发布的产品
    const match = { status: '1' };
    // 担保方式【企业选择】、贷款额度【企业选择】+融资取向对产品进行筛选
    // 担保方式
    if (ensure_id) {
      match.ensure_id = ensure_id;
    }
    // 贷款额度
    if (money) {
      match.claims_max_money = { $gte: parseInt(money) };
    }
    // 融资取向  按第一个取向查询，如果没有结果，按第二个取向查...
    const cattributeMatch = { status: '1' };

    if (orientation && orientation.length > 0) {
      for (const item of orientation) {
        cattributeMatch.cattribute = { $in: item };
        const res1 = await this.tmodel.find(cattributeMatch);
        if (res1.length > 0) {
          match.cattribute = { $in: item };
          break;
        }
      }
    }

    console.log('match', match);

    const _sort = {};
    // 排序
    if (orientation && orientation[0] === '2501') {
      _sort.claims_max_term = -1;
    }
    if (orientation && orientation[0] === '2503') {
      _sort.mongey_min_rate = 1;
    }
    if (orientation && orientation[0] === '2505') {
      _sort.claims_max_money = -1;
    }
    const res = await this.tmodel.find(match).sort(_sort).limit(Number(5));

    return res;
  }

  // 查询对接记录（金融机构,企业）
  async dockingFinance(data) {
    const query = {};
    if (data.id) { // 单查  对接需求id
      query._id = ObjectId(data.id);
    }
    if (data.jg_id) { // 金融机构ID
      query.jg_id = data.jg_id;
    }
    if (data.uid) { // 企业ID
      query.uid = data.uid;
    }
    if (data.cid) { // 产品id
      query.cid = data.cid;
    }
    if (data.status) { // 状态
      query.status = data.status;
    }
    const skip = Number.parseInt(data.skip) || 1;
    const limit = Number.parseInt(data.limit) || 10;

    const total = await this.model.countDocuments(query);
    const result = await this.model.aggregate([
      //      { $match: query },
      { $project:
          {
            ensure_id: 1,
            person: 1,
            phone: 1,
            money: 1,
            claims_min_term: 1,
            claims_max_term: 1,
            mongey_min_rate: 1,
            mongey_max_rate: 1,
            when: 1,
            refuse_times: 1,
            additional_information: 1,
            status: 1,
            jg_id: { $toObjectId: '$jg_id' },
            cid: { $toObjectId: '$cid' },
            uid: '$uid',
            xqId: { $toString: '$_id' },
            time: '$meta.createdAt',
          },
      },
      { $lookup:
          {
            from: 'company_identify',
            localField: 'uid',
            foreignField: 'uid',
            as: 'company',
          },
      },
      { $lookup:
          {
            from: 'institution',
            localField: 'jg_id',
            foreignField: '_id',
            as: 'institution',
          },
      },
      { $lookup:
          {
            from: 't_finance_claims',
            localField: 'cid',
            foreignField: '_id',
            as: 'finance_claims',
          },
      },
      { $lookup:
          {
            from: 'dictionary',
            localField: 'ensure_id',
            foreignField: 'code',
            as: 'dictionary',
          },
      },
      { $lookup:
          {
            from: 'intelligent_follow',
            localField: 'xqId',
            foreignField: 'intelligentId',
            as: 'follow',
          },
      },
      { $unwind: { path: '$company', preserveNullAndEmptyArrays: true } },
      { $unwind: { path: '$institution', preserveNullAndEmptyArrays: true } },
      { $unwind: { path: '$finance_claims', preserveNullAndEmptyArrays: true } },
      { $unwind: { path: '$dictionary', preserveNullAndEmptyArrays: true } },
      { $unwind: { path: '$follow', preserveNullAndEmptyArrays: true } },
      { $project:
          {
            ensure_id: 1,
            person: 1,
            phone: 1,
            money: 1,
            claims_min_term: 1,
            claims_max_term: 1,
            mongey_min_rate: 1,
            mongey_max_rate: 1,
            when: 1,
            refuse_times: 1,
            additional_information: 1,
            status: 1,
            creditStatus: '$follow.creditStatus',
            jg_id: { $toObjectId: '$jg_id' },
            cid: { $toObjectId: '$cid' },
            uid: '$uid',
            xqId: { $toString: '$_id' },
            time: '$meta.createdAt',
            company: '$company',
            institution: '$institution',
            finance_claims: '$finance_claims',
            dictionary: '$dictionary',
            follow: '$follow',
            uuid: { $toObjectId: '$follow.uuid' },
          },
      },
      { $lookup:
          {
            from: 'other_user',
            localField: 'uuid',
            foreignField: '_id',
            as: 'otherUser',
          },
      },
      { $unwind: { path: '$otherUser', preserveNullAndEmptyArrays: true } },
      { $skip: (skip - 1) * limit },
      { $limit: limit },
      { $sort: { time: -1 } },
    ]);
    return { result, total };
  }

  // 拒绝接口
  async refuse(data) {
    const { intelligentId, guanzhuid, userid, reason } = data;// intelligentId, userid, reason 需求id，银行id，拒绝理由
    const intelligent = await this.model.findById(intelligentId);// 对接需求
    const guanzhu = await this.fmodel.findById(guanzhuid);

    let res;
    if (intelligent.refuse_times < 3) {
      // 重新对接产品
      // 需求
      const condition = {
        orientation: intelligent.orientation,
        money: intelligent.money,
        claims_min_term: intelligent.claims_min_term,
        claims_max_term: intelligent.claims_max_term,
        mongey_min_rate: intelligent.mongey_min_rate,
        mongey_max_rate: intelligent.mongey_max_rate,
        ensure_id: intelligent.ensure_id,
      };
      // 对接产品
      const products = await this.findFinanceClaimsList(condition);

      const ids = intelligent.ids;
      if (products.length > 0) {
        // console.log('对接的产品', products);
        // 拒绝ids 里存在对接的产品id
        ids.push({ jr_id: intelligent.jg_id, reason });
        const items = products.filter(item => {
          if (ids.length === 0) {
            return true;
          }
          return !ids.map(item => {
            return item.jr_id;
          }).includes(item.uid);
        });

        console.log('对接的产品items', items);
        console.log('ids', ids);

        if (items.length > 0) {
          intelligent.cid = items[0]._id;
          intelligent.jg_id = items[0].uid;// 金融机构id
          const date = new Date();
          const create_time = moment(date).format('YYYY-MM-DD HH:mm:ss');
          intelligent.create_time = create_time;
        } else {
          // 拒绝后没有匹配的银行
          guanzhu.creditStatus = '3';
          await guanzhu.save();
          // 对接需求表状态
          intelligent.status = '1';
          await intelligent.save();
          this.ctx.service.viewnews.insertViewNews('智能对接', '无银行受理该需求，改需求已自动关闭', intelligent.uid);

          return '没有更多对接产品！';
        }
        // intelligent.ids.push({ jr_id: intelligent.jg_id, reason });
        intelligent.ids = ids;

        intelligent.refuse_times = intelligent.refuse_times + 1;
        if (intelligent.refuse_times === 3) {
          guanzhu.creditStatus = '3';
          guanzhu.refusemessage = reason;
          await guanzhu.save();
          // 对接需求表状态
          intelligent.status = '1';
          this.ctx.service.viewnews.insertViewNews('智能对接', '您已被拒绝3次，不再指派银行受理，请重新提交申请，详情请查看智能对接需求列表', intelligent.uid);
        }
        res = await intelligent.save();
      } else {
        return '没有更多对接产品！';
      }
    } else {
      res = '您已被拒绝3次，请重新提交申请';
    }
    return res;
  }
}

module.exports = IntelligentDockingService;