'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 BedroomService extends CrudService {
  constructor(ctx) {
    super(ctx, 'bedroom');
    this.model = this.ctx.model.Bedroom;
    this.smodel = this.ctx.model.Student;
    this.tmodel = this.ctx.model.Trainplan;
    this.cmodel = this.ctx.model.Class;
    this.umodel = this.ctx.model.User;
    this.ctmodel = this.ctx.model.Classtype;

  }

  // 根据班级id查找班级下所有寝室列表并查询出寝室下学生信息
  async roomstu({ id }) {
    // 通过班级id查询学生表信息
    const students = await this.smodel.find({ classid: id });
    const _bedrooms = _.map(students, 'bedroom');
    // 取得无重复的寝室号
    const bedrooms = _.uniq(_bedrooms);
    console.log(bedrooms);
    const data = [];
    // 根据寝室号 取得相应的学生信息
    for (const elm of bedrooms) {
      const stus = students.filter(item => item.bedroom === elm);
      const newdata = { bedroom: elm, stus };
      data.push(newdata);
    }
    return data;
  }

  async ibeacon(data) {
    assert(data.openid, '用户信息不能为空');
    // 通过openid取得学生信息
    const user = await this.ctx.service.user.findByOpenid(data.openid);
    if (!user) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '用户不存在');
    }
    const student = await this.smodel.findById(user.uid);
    if (!student) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '学生信息不存在');
    }
    const beedroom = await this.model.findOne({ code: student.bedroom });
    if (!beedroom) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '寝室信息不存在');
    }
    return { data: { ibeacon: beedroom.ibeacon } };
  }

  // 一键分寝
  async apart(data) {
    const { trainplanid, termid, batchid } = data;
    assert(trainplanid, 'trainplanid不能为空');
    assert(termid, 'termid不能为空');
    assert(batchid, 'batchid不能为空');
    // 根据计划id取得当前计划
    const trainplan = await this.tmodel.findById(trainplanid);
    // 根据期id取得当前期信息
    const term = trainplan.termnum.find(p => p.id === termid);
    // 根据批次id查询批次信息
    const _batch = term.batchnum.find(p => p.id === batchid);
    // 查询所有寝室列表
    const bedroomList = await this.model.find({ batch: _batch.batch, status: '0' }).sort({ floor: -1 });
    // 循环所有当前批次下的寝室列表进行分寝处理
    const studentList = await this.getstudents(termid, batchid);
    console.log('stulen-->' + studentList.length);
    for (const bedroom of bedroomList) {
      console.log(bedroom.code);
      // 判断当前寝室号是否已有
      // 根据期id查找所有当期学生列表
      const _stu = _.filter(studentList, { bedroom: bedroom.code });
      console.log(_stu.length);
      if (bedroom.number !== _stu.length) {
        let i = 0;
        let _gender = '';
        for (const stud of studentList) {
          console.log('stu---' + stud.bedroom);
          if (stud.bedroom) {
            if (stud.bedroom === bedroom.code) {
              i = i + 1;
            }
            continue;
          }
          console.log('i--->' + i);
          if (i === 0) {
            if (!bedroom.gender) {
              stud.bedroomid = bedroom.id;
              stud.bedroom = bedroom.code;
              await stud.save();
              i = i + 1;
              _gender = stud.gender;
            } else {
              if (bedroom.gender === stud.gender) {
                stud.bedroomid = bedroom.id;
                stud.bedroom = bedroom.code;
                await stud.save();
                i = i + 1;
                _gender = stud.gender;
              }
            }
          } else if (i < bedroom.number) {
            if (_gender === stud.gender) {
              stud.bedroomid = bedroom.id;
              stud.bedroom = bedroom.code;
              await stud.save();
              i = i + 1;
            }
          } else if (i === bedroom.number) {
            i = 0;
            break;
          }
        }
      }
    }
    // 取得当前批次的所有班级
    const classes = await this.cmodel.find({ batchid });
    for (const _class of classes) {
      // 取得每个班级的班主任id
      const headteacherid = _class.headteacherid;
      const headteacher = await this.umodel.findOne({ uid: headteacherid, type: '1' });
      if (headteacher && headteacher.openid) {
        const openid = headteacher.openid;
        const remark = '感谢您的使用';
        const date = await this.ctx.service.util.updatedate();
        const detail = '班级学生名单与寝室安排已确认，请及时查收';
        this.ctx.service.weixin.sendTemplateMsg(this.ctx.app.config.REVIEW_TEMPLATE_ID, openid, '您有一个新的通知', detail, date, remark, _class.id);
      }

    }
  }

  // 取得符合条件的学生列表
  async getstudents(termid, batchid) {
    // 根据期id查找所有当期学生列表
    const cltype = await this.ctmodel.find({ bedroom: '0' });
    const types = _.map(cltype, 'code');
    console.log('-----types-start--');
    console.log(types);
    console.log('-----types-end--');
    const studentList = await this.smodel.find({ termid, batchid, type: { $in: types } }).sort({ gender: -1 });
    return studentList;
  }

  // 取得符合条件的学生列表
  async getbedroomstudents(termid, batchid, bedroom) {
    // 根据期id查找所有当期学生列表
    const studentList = await this.smodel.find({ termid, batchid, bedroom });
    return studentList;
  }
}

module.exports = BedroomService;