'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;

class SchtimeService extends CrudService {
  constructor(ctx) {
    super(ctx, 'schtime');
    this.model = this.ctx.model.Schtime;
  }

  async updateschtimes(data) {
    assert(data, '缺少信息项');
    for (const elm of data) {
      // 循环:elm代表上传上来的每个学校
      const schtime = await this.model.findById(elm.id);
      // 找到该学校原数据
      if (schtime) {
        // // 原数据处理,可以不用吧
        // schtime.schid = elm.schid;
        // schtime.year = elm.year;
        // schtime.planid = elm.planid;
        // schtime.remark = elm.remark;
        // schtime.daterange = elm.daterange;
        // // 工具方法整理出需要删除,修改,添加的数据,都是array的形式
        const { deletearray, updatearray, addarray } = await this.filterarray(schtime.arrange, elm.arrange);
        let termInfo = _.differenceBy(schtime.arrange, deletearray, 'id');
        for (const terminfo of termInfo) {
          const updateinfo = (_.filter(updatearray, item => item.id === terminfo.id))[0];
          terminfo.termid = updateinfo.termid;
          if (updateinfo.term) terminfo.term = updateinfo.term;
          if (updateinfo.batch) terminfo.batch = updateinfo.batch;
          if (updateinfo.batchid) terminfo.batchid = updateinfo.batchid;
          if (updateinfo.number) terminfo.number = updateinfo.number;
          if (updateinfo.type) terminfo.type = updateinfo.type;
          if (updateinfo.carnum) terminfo.carnum = updateinfo.carnum;
        }
        termInfo = _.concat(termInfo, addarray);
        schtime.arrange = termInfo;
        await schtime.save();
      }

    }
  }

  async filterarray(oldarray, newarray) {
    const _oldarray = _.cloneDeep(oldarray);
    const updatearray = [];
    const addarray = [];
    for (const _newarray of newarray) {
      if (_newarray.id) {
        updatearray.push(_newarray);
      } else {
        addarray.push(_newarray);
      }
    }
    const deletearray = _.pullAllBy(_oldarray, updatearray, 'id');
    return { deletearray, updatearray, addarray };
  }

}

module.exports = SchtimeService;