'use strict';


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

class LessonService extends CrudService {
  constructor(ctx) {
    super(ctx, 'lesson');
    this.model = this.ctx.model.Lesson;
    this.tmodel = this.ctx.model.Trainplan;
    this.clamodel = this.ctx.model.Class;
    this.lmodel = this.ctx.model.Lessonmode;
    this.teamodel = this.ctx.model.Teacher;
    this.stumodel = this.ctx.model.Student;
    this.schmodel = this.ctx.model.School;
    this.headteamodel = this.ctx.model.Headteacher;
    this.umodel = this.ctx.model.User;
    this.nmodel = this.ctx.model.Notice;
    this.weekList = [ '日', '一', '二', '三', '四', '五', '六' ];
  }

  // 自动排课私有方法
  async autolesson({ id }) {
    // 首先将课程表清空
    const res = await this.tmodel.findById(id);
    if (!res) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '全年计划信息不存在');
    }
    const terms = res.termnum;
    const _lessonmode = await this.lmodel.find();
    // 循环取得所有期
    for (const elm of terms) {
      // 根据期id清空课程表
      await this.model.deleteMany({ termid: elm.id });
      // 清空成功后，循环取得当前期下所有批次信息
      const batchs = elm.batchnum;
      for (const batch of batchs) {
        // 取得当前批次开始结束日期，并根据日期取得所有天数
        const sedays = await this.getAllDays(batch.startdate, batch.enddate);
        // 根据批次取得当前批次下所有班级
        const _classs = await this.clamodel.find({
          planid: id,
          termid: elm.id,
          batchid: batch.id,
        });
        // 循环班级
        const teachids = [];
        for (const cla of _classs) {
          // 取得课程模板信息
          let lessonmode_ = _.find(_lessonmode, { type: cla.type });
          if (!lessonmode_) {
            lessonmode_ = _lessonmode[0];
            if (!lessonmode_) {
              throw new BusinessError(
                ErrorCode.DATA_NOT_EXIST,
                '课程模板信息不存在'
              );
            }
          }
          // 取得模板内容并转化成json
          const lessons_ = JSON.parse(lessonmode_.lessons);
          // 记录天数
          let i = 1;
          // 循环天数
          const newlesson = [];
          for (const day of sedays) {
            // 循环课程模板，将模板信息排入班级课程表中
            for (const lessm of lessons_) {
              // 循环插入模板信息
              if (lessm['day' + i] !== '--') {
                let _subid = '';
                if (lessm['day' + i + 'type'] === '课程') {
                  _subid = lessm['day' + i + 'subid'];
                } else {
                  _subid = '';
                }
                let allday = 0;
                if (i === 6) {
                  // 判断是否有外市的学生有的时候 将其设置为半天
                  const ishalfday = await this.ishalfday(cla.id);
                  if (ishalfday) {
                    allday = 1;
                  }
                }

                const data = {
                  subid: _subid,
                  subname: lessm['day' + i],
                  date: day,
                  time: lessm.time,
                  day: allday,
                };
                // 将教师按照分数的综合成绩排序,上报时间,安排教师.
                const teacher_ = await this.autoteacher(_subid, teachids);
                if (teacher_) {
                  data.teaid = teacher_.id;
                  data.teaname = teacher_.name;
                  teachids.push(teacher_.id);
                }
                newlesson.push(data);
              }
            }
            i = i + 1;
          }
          const newdata = {
            termid: elm.id,
            batchid: batch.id,
            classid: cla.id,
            lessons: newlesson,
          };
          // 将课程信息填入课程表
          await this.model.create(newdata);
        }
      }
    }
  }

  // 自动排教师,按照分数的综合成绩排序,上报时间,安排教师
  async autoteacher(subid, teachids) {
    // 按照上报时间取得所有老师，进行正序排列
    const teachers = await this.teamodel
      .find({ subid, status: '4' })
      .sort({ zlscore: '-1', msscore: '-1', xsscore: '-1' });
    for (const teaid of teachids) {
      _.remove(teachers, item => item.id === teaid);
    }
    let teacher = {};
    if (teachers.length > 0) {
      teacher = teachers[0];
    }
    return teacher;
  }

  // 判断是否为半天
  async ishalfday(classid) {
    // 通过班级id取得所有学生
    const students = await this.stumodel.find({ classid });
    let res = false;
    for (const stu of students) {
      const sch = await this.schmodel.findOne({ code: stu.schid });
      if (sch && sch.hascar === '0') {
        res = true;
        break;
      }
    }
    return res;
  }

  // 取得日期间所有日期
  async getAllDays(begin_date, end_date) {
    const errArr = [],
      resultArr = [],
      dateReg = /^[2]\d{3}-[01]\d-[0123]\d$/;

    if (
      typeof begin_date !== 'string' ||
      begin_date === '' ||
      !dateReg.test(begin_date)
    ) {
      return errArr;
    }

    if (
      typeof end_date !== 'string' ||
      end_date === '' ||
      !dateReg.test(end_date)
    ) {
      return errArr;
    }

    try {
      const beginTimestamp = Date.parse(new Date(begin_date)),
        endTimestamp = Date.parse(new Date(end_date));

      // 开始日期小于结束日期
      if (beginTimestamp > endTimestamp) {
        return errArr;
      }

      // 开始日期等于结束日期
      if (beginTimestamp === endTimestamp) {
        resultArr.push(begin_date);
        return resultArr;
      }

      let tempTimestamp = beginTimestamp,
        tempDate = begin_date;

      // 新增日期是否和结束日期相等， 相等跳出循环
      while (tempTimestamp !== endTimestamp) {
        resultArr.push(tempDate);

        // 增加一天
        tempDate = moment(tempTimestamp).add(1, 'd').format('YYYY-MM-DD');

        // 将增加时间变为时间戳
        tempTimestamp = Date.parse(new Date(tempDate));
      }

      // 将最后一天放入数组
      resultArr.push(end_date);
      return resultArr;
    } catch (err) {
      return errArr;
    }
  }

  // 根据计划id、教师id查询所有班级信息
  async classbyteaid({ planid, teaid }) {
    // 取得传入的计划id与教师id
    // 根据计划id取得所有期
    const plan = await this.tmodel.findById(planid);
    if (!plan) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '全年计划信息不存在');
    }
    const terms = await plan.termnum;
    // 循环取得所有期信息
    const data = [];
    for (const term of terms) {
      // 根据期id与教师id查出课程班级信息
      const lessons = await this.model.find({
        termid: term.id,
        'lessons.teaid': teaid,
      });
      const batchs = await term.batchnum;
      for (const elm of lessons) {
        const newdata = {};
        const batch = await batchs.id(elm.batchid);
        newdata.planid = planid;
        newdata.title = plan.title;
        newdata.termid = elm.termid;
        newdata.term = term.term;
        newdata.batchid = elm.batchid;
        newdata.batch = batch.batch;
        newdata.classid = elm.classid;
        if (elm.classid) {
          const cla = await this.clamodel.findById(elm.classid);
          if (cla) {
            newdata.classname = cla.name;
          }
        }
        const _lessons = elm.lessons.filter(item => item.teaid === teaid);
        newdata.lessons = _lessons;
        data.push(newdata);
      }
    }
    return data;
  }

  // 根据计划id、教师id查询所有班级信息
  async teaclass({ termid, teaid }) {
    // 取得传入的计划id与教师id
    // 根据计划id取得所有期
    const lessons = await this.model.find({
      termid,
      'lessons.teaid': teaid,
    });
    const classids = lessons.map(i => ObjectId(i.classid));
    let data = await this.ctx.model.Class.find({ _id: { $in: classids } }).exec();
    if (data.length <= 0) return;
    data = JSON.parse(JSON.stringify(data));
    const planid = data[0].planid;
    const trainPlan = await this.tmodel.findById(planid).lean();
    const { termnum = [] } = trainPlan;
    if (termnum.length <= 0) return;
    const termData = termnum.find(f => ObjectId(f._id).equals(termid));
    if (!termData) return;
    const { batchnum = [], term } = termData;
    if (batchnum.length <= 0) return;
    data = data.map(i => {
      i.term = term;
      const batchData = batchnum.find(f => ObjectId(f._id).equals(i.batchid));
      if (batchData) {
        i.batch = batchData.batch;
        i.startdate = batchData.startdate;
        i.enddate = batchData.enddate;
      }
      return i;
    });

    return data;
  }

  async uplessones(data) {
    for (const _data of data) {
      await this.model.findByIdAndUpdate(_data.id, _data);
    }
  }
  /**
   * 修改课表的状态,并发送信息
   * @param {Array} ids 要修改的课表
   * @property {Array} classids 班级表ids
   */
  async check({ ids, classids }) {
    // 1,修改课表状态; TODO 2,拿到所有的班级,获取所有人员;3,然后发送信息
    const list = await this.model.find({ _id: { $in: ids }, classid: classids });
    const res = await this.model.updateMany({ _id: { $in: ids }, classid: classids }, { status: '1' });
    const noticeList = [];
    const defaults = {
      noticeid: 'system',
      type: '4',
    };
    // 循环课表
    for (const l of list) {
      const planRes = await this.tmodel.findOne({ termnum: { $elemMatch: { _id: l.termid } } });
      const { planyearid, _id: planid } = planRes;
      if (!planRes) continue;
      // 教师 需要知道 期,批,班 日期 星期 科目 上课地点 班主任 班主任电话
      // 先找到这个课表是哪个班的
      const { classid } = l;
      if (!classid) {
        console.error(`不存在班级id为=>${classid}`);
        continue;
      }
      const classInfo = await this.ctx.service.class.fetch({ id: classid });
      if (!classInfo) {
        console.error(`没有id为=>${classid} 的班级信息`);
        continue;
      }
      const { termid } = classInfo;
      // 班主任信息
      let data = await this.getHeadTeacherMsg(classInfo);
      // 礼仪教师信息
      let lydata = await this.getLyTeacherMsg(classInfo);
      // 整理信息
      data = { ...data, ...defaults, termid, classid, planyearid, planid };
      if (lydata) {
        lydata = { ...lydata, ...defaults, termid, classid, planyearid, planid };
        noticeList.push(lydata);
      }
      // const dirIsBefore = moment(moment().format('YYYY-MM-DD')).isSameOrBefore(classInfo.startdate); // isSameOrBefore
      // if (dirIsBefore) {
      // 班主任,礼仪教师,不限制时间问题,只要未确认,就发送
      noticeList.push(data);
      // }
      const { lessons } = l;
      let have_teacherLesson = lessons.filter(f => f.teaid);
      have_teacherLesson = JSON.parse(JSON.stringify(have_teacherLesson));
      const newArr = [];
      for (const l of have_teacherLesson) {
        // 整理时间 TODO,不需要合并时间了,先留着,之后真不需要就删掉
        const { subid, teaid, date } = l;
        // 超过日期了就不发了
        const isBefore = moment(moment().format('YYYY-MM-DD')).isSameOrBefore(date);
        if (!isBefore) continue;
        if (!subid && teaid) continue;
        const r = newArr.find(f => f.subid === subid && f.teaid === teaid);
        const ri = newArr.findIndex(
          f => f.subid === subid && f.teaid === teaid
        );
        // 如果找到了,就要把这个时间和上一个整合
        if (r) {
          newArr[ri].timeList.push(l.time);
        } else {
          let obj = _.cloneDeep(l);
          // 没找到,就放进去
          const timeList = [ l.time ];
          obj = { ...obj, timeList };
          newArr.push(obj);
        }
      }
      for (const l of newArr) {
        let teamsg = await this.getTeacherMsg(classInfo, l);
        teamsg = { ...teamsg, ...defaults, termid, classid, planyearid, planid };
        noticeList.push(teamsg);
      }

    }
    await this.toSendMsg(noticeList);
  }
  // 给班主任发信息
  async getHeadTeacherMsg(classInfo) {
    // 班主任 需要知道 期,批,班,时间段,星期段,礼仪课教师,用餐地点,拓展训练地点,开班仪式地点,上课地点
    const { term, batch, headteacher, name, headteacherid, startdate, enddate } = classInfo;
    if (!headteacherid) return;
    let msg = `班主任-${headteacher},中心已经安排您为: ${term}期-${name.includes('班') ? name : `${name}班`} 班主任`;
    if (startdate && enddate) msg = `${msg} \n 时间为:${startdate}(星期${this.weekList[moment(startdate).day()]}) 至 ${enddate} (星期${this.weekList[moment(enddate).day()]})`;
    if (_.get(classInfo, 'kbyslocationid'))msg = `${msg} \n 开班地点为:${_.get(classInfo, 'kbyslocation')}`;
    if (_.get(classInfo, 'kzjhlocationid'))msg = `${msg} \n 拓展训练地点为:${_.get(classInfo, 'kzjhlocation')}`;
    if (_.get(classInfo, 'jslocationid'))msg = `${msg} \n 上课地点为:${_.get(classInfo, 'jslocation')}`;
    if (_.get(classInfo, 'yclocationid'))msg = `${msg} \n 用餐地点为:${_.get(classInfo, 'yclocation')}`;
    // 礼仪教师需要查询,然后带上电话
    if (_.get(classInfo, 'lyteacherid')) {
      msg = `${msg} \n 礼仪课教师为: \n ${_.get(classInfo, 'lyteacher')}`;
      const { lyteacherid } = classInfo;
      const r = await this.umodel.findOne({ uid: lyteacherid });
      if (r) {
        const { mobile } = r;
        if (mobile) msg = `${msg} 电话:${mobile}`;
      }
    }
    // 查出openid,email
    const info = await this.getSendInfo(headteacherid);
    const obj = { notifiedid: headteacherid, username: headteacher, content: msg, ncontent: `${term}期-${batch}批-${name.includes('班') ? name : `${name}班`}课表确认` };
    if (info) {
      const { openid, email } = info;
      obj.openid = openid;
      obj.email = email;
    }
    return obj;
  }
  // 给教师发送信息
  async getTeacherMsg(classInfo, lessonInfo) {
    if (!classInfo || !lessonInfo) return;
    const { term, batch, name, headteacherid } = classInfo;
    const { date, subname, timeList } = lessonInfo;
    let msg = `教师-${lessonInfo.teaname}您好,中心已经为您安排了 \n ${term}期-${name.includes('班') ? name : `${name}班`}`;
    if (date) msg = `${msg} \n 上课日期:${date}(星期${this.weekList[moment(date).day()]})`;
    // if (timeList && _.isArray(timeList)) {
    //   msg = `${msg} \n 上课时间:`;
    //   for (const time of timeList) {
    //     msg = `${msg} ${time}`;
    //   }
    // }
    if (subname) msg = `${msg} \n 课程:${subname}`;
    if (_.get(classInfo, 'jslocationid'))msg = `${msg} \n 上课教室地点为:${_.get(classInfo, 'jslocation')}`;
    if (_.get(classInfo, 'headteacherid')) {
      msg = `${msg} \n 班主任为: \n ${_.get(classInfo, 'headteacher')}`;
      if (headteacherid) {
        const r = await this.umodel.findOne({ uid: headteacherid });
        if (r) {
          const { mobile } = r;
          if (mobile) msg = `${msg} 电话:${mobile}`;
        }
      }
    }
    const info = await this.getSendInfo(lessonInfo.teaid);
    const obj = { notifiedid: _.get(lessonInfo, 'teaid'), username: _.get(lessonInfo, 'teaname'), content: msg, ncontent: `${term}期-${batch}批-${name.includes('班') ? name : `${name}班`}课表确认` };
    if (info) {
      const { openid, email } = info;
      obj.openid = openid;
      obj.email = email;
    }
    return obj;
  }

  // 给礼仪教师发送信息
  async getLyTeacherMsg(classInfo) {
    const { term, batch, name, headteacherid, lyteacherid, lyteacher } = classInfo;
    if (headteacherid === lyteacherid) return;
    let msg = `${lyteacher}您好,中心为您安排了\n ${term}期-${name.includes('班') ? name : `${name}班`}的礼仪课`;
    if (_.get(classInfo, 'jslocationid'))msg = `${msg} \n 上课教室地点为:${_.get(classInfo, 'jslocation')}`;
    if (_.get(classInfo, 'headteacherid')) {
      msg = `${msg} \n 班主任为: \n ${_.get(classInfo, 'headteacher')}`;
      if (headteacherid) {
        const r = await this.umodel.findOne({ uid: headteacherid });
        if (r) {
          const { mobile } = r;
          if (mobile) msg = `${msg} 电话:${mobile}`;
        }
      }
    }
    const info = await this.getSendInfo(lyteacherid);
    const obj = { notifiedid: lyteacherid, username: lyteacher, content: msg, ncontent: `${term}期-${batch}批-${name.includes('班') ? name : `${name}班`}课表确认` };
    if (info) {
      const { openid, email } = info;
      obj.openid = openid;
      obj.email = email;
    }
    return obj;
  }

  // 查找openid和emaiil
  async getSendInfo(uid) {
    const user = await this.umodel.findOne({ uid });
    if (!user) return;
    const { type, openid } = user;
    let email;
    // type =1班主任,type = 3 教师
    if (type === '1') {
      const info = await this.headteamodel.findOne({ _id: ObjectId(uid) });
      if (info) {
        const { qq } = info;
        if (qq) email = `${qq}@qq.com`;
      }
    } else if (type === '3') {
      const info = await this.teamodel.findOne({ _id: ObjectId(uid) });
      if (info) email = info.email;
    }
    return { openid, email };
  }


  async toSendMsg(noticeList) {
    for (const notice of noticeList) {
      // 先找信息notice,然后查看有没有这个人的信息,有就发送,没有就添加,再发送
      // 课表通知,1个班的信息放一起,按班级来看
      const { planyearid, planid, termid, classid, noticeid, type, ncontent, content, username, notifiedid, email, openid } = notice;
      // await this.nmodel.deleteMany({ termid, planid, classid, type });
      let nres = await this.nmodel.findOne({ termid, planid, classid, type });
      if (openid) {
        // 排除重复,没有的填进对应的班级中
        if (!nres) {
        // 组织数据,存起来
          const notified = [{ content, username, notifiedid }];
          const nobj = { planyearid, planid, termid, classid, noticeid, type, content: ncontent, notified };
          await this.nmodel.create(nobj);
          nres = await this.nmodel.findOne({ termid, planid, classid, type });
        } else {
        // 有该班的通知,然后查看是否有这个人,没有,加进去,有这个人,不管
          if (nres.notified && _.isArray(nres.notified)) {
            const r = nres.notified.find(f => f.notifiedid === notifiedid);
            // 没有人,加进去,保存
            if (!r) {
              nres.notified.push({ content, username, notifiedid });
              await nres.save();
            } else {
            // 有这个人,需要查这个人是否接收到信息,接收到信息,就不需要再次发送了
              const { status } = r;
              if (status !== '0') continue;
            }
          }
        }
      }


      // 邮件
      if (email) {
        const subject = '吉林省高等学校毕业生就业指导中心通知';
        this.ctx.service.util.sendMail(email, subject, content);
      }
      if (openid) {
        const tourl = this.ctx.app.config.baseUrl + '/msgconfirm/?userid=' + notifiedid + '&noticeid=' + nres._id;
        // TODO 推送
        this.ctx.service.weixin.sendTemplateDesign(
          this.ctx.app.config.REVIEW_TEMPLATE_ID,
          openid,
          '您有一个新的通知,请点击信息,确认您已收到信息!',
          '您的安排',
          content,
          '感谢您的使用',
          tourl
        );
      }
    }
  }

  // 新排课,从计划中拿出来对应的课表
  async newArrange({ planid, termid }) {
    const lmodelList = await this.lmodel.find();
    const trainplan = await this.tmodel.findById(planid);
    if (!trainplan) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '计划不存在');
    let { termnum } = trainplan;
    // 指定期的数据
    termnum = JSON.parse(JSON.stringify(termnum));
    if (!termnum) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '该期不存在');
    // 该期的课表,没有就添加
    const has_lesson = await this.model.find({ termid });
    const classids = has_lesson.map(i => ObjectId(i.classid));
    const has_classList = await this.clamodel.find({ _id: { $in: classids } }, { name: 1 });
    const sterm = termnum.find(f => f._id === termid);
    const { batchnum } = sterm;
    // 确保batchnum是数组
    if (!_.isArray(batchnum)) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '该期下批次数据错误');
    for (const b of batchnum) {
      const { _id: batchid, class: classArrange, startdate, enddate } = b;
      const classList = await this.clamodel.find({ planid, termid, batchid });
      // 确保list是数组
      if (!classList || classList.length === 0) continue;
      const clist = JSON.parse(JSON.stringify(classList));
      for (const c of clist) {
        // 排指定班
        const { name, type, ...lessinfo } = await this.partsOfClass(c);
        // 查看该班级是否已经有课表
        const is_has = has_classList.find(f => f.name === name);
        if (is_has) continue;
        // 找到指定班级的安排 这里目前只能用name找,这个地方很不稳定,需要找到其他的具有唯一性的判断来执行这个find
        const clalr = classArrange.find(f => f.name === name);
        // 没找到指定班级的安排
        if (!clalr) {
          console.error('没有找到指定安排');
          continue;
        }
        const { lessons: ntemplate } = clalr;
        // 如果没有模板
        if (!ntemplate) {
          console.error('没有找到指定班级安排模板');
          continue;
        }
        // 根据班级类型找到原课表模板
        let lessonModel = lmodelList.find(f => f.type === type);
        lessonModel = JSON.parse(JSON.stringify(lessonModel));
        // 原模板
        let { lessons: otemplate } = lessonModel;
        otemplate = JSON.parse(otemplate);

        // 日期列表，感谢裕哥能给我留个可用的东西
        const dayList = await this.getAllDays(startdate, enddate);
        const lessons = [];
        for (let i = 0; i < dayList.length; i++) {
          for (const ot of otemplate) {
            const date = dayList[i];
            const { time } = ot;
            const keys = Object.keys(ot).filter(f => f.includes(`day${i + 1}`));
            const kvs = {};
            for (const key of keys) {
              // 将原课表的每日,每个时间段的安排整理成object
              if (key.startsWith('day') && key.endsWith('type')) {
                // kvs.type = ot[key];
              } else if (key.startsWith('day') && key.endsWith('subid')) {
                kvs.subid = ot[key];
              } else {
                kvs.subname = ot[key];
              }
            }
            // 整理完的object,如果有subid,就是课程,找教师
            const tsubid = _.get(kvs, 'subid');
            if (tsubid) {
              const r = ntemplate.find(f => f.subid === tsubid);
              if (r) {
                const { teaid, teaname } = r;
                if (teaid && teaname) {
                  kvs.teaid = teaid;
                  kvs.teaname = teaname;
                }
              }
            }
            const obj = { date, time, ...kvs, day: '0' };
            lessons.push(obj);
          }

        }
        // 最后整合
        const classLesson = { ...lessinfo, lessons };
        // 保存
        await this.model.create(classLesson);
      }
    }

  }

  // 新排课,将班级层面处理抽出来
  async partsOfClass(classinfo) {
    classinfo = JSON.parse(JSON.stringify(classinfo));
    const { termid, batchid, _id: classid, name, type } = classinfo;
    const obj = { termid, batchid, classid, name, type };
    return obj;
  }

  async teaIndex({ planid, teaid }) {
    const trainplan = await this.tmodel.findById(planid);
    if (!trainplan) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到指定年度计划');
    const { termnum } = trainplan;
    const termids = termnum.map(i => i._id);
    let lessons = await this.model.find({ termid: termids, status: '1', lessons: { $elemMatch: { teaid } } });
    if (lessons.length > 0)lessons = JSON.parse(JSON.stringify(lessons));
    else return [];
    const classids = lessons.map(i => i.classid);
    // 找期,班级信息
    const classes = await this.clamodel.find({ _id: classids });
    let res = [];
    for (const i of lessons) {
      const { lessons: ls, classid, termid } = i;
      let term,
        cla;
      const list = ls.filter(f => f.teaid === teaid);
      const t = termnum.find(f => ObjectId(f._id).equals(termid));
      if (t) term = t.term;
      const c = classes.find(f => ObjectId(f._id).equals(classid));
      if (c) cla = c.name;
      for (const l of list) {
        const { subname, date } = l;
        if (cla && subname && date && term) { res.push({ subname, date, term, class: cla }); }
      }
    }
    res = _.uniqWith(res, _.isEqual);
    return res;
  }

  // 按系统设置->课表模板,进行对应班级类型的时间更新
  async timeCollate({ termid }) {
    // 找到课表模板
    const templates = await this.lmodel.find();
    // 找到该期下的班级
    const classes = await this.clamodel.find({ termid });
    // 找到这些班级的课表
    const cids = classes.map(i => i._id);
    let lList = await this.model.find({ classid: cids });
    if (lList.length > 0) lList = JSON.parse(JSON.stringify(lList));
    for (const l of lList) {
      // 确定是班级类型
      const c = classes.find(f => ObjectId(f._id).equals(l.classid));
      if (!c) continue;
      // 确定模板拿哪个类型
      const { type } = c;
      const t = templates.find(f => f.type === type);
      if (!t) continue;
      // 整理出时间列表(默认顺序就可以)
      const { lessons: tl } = t;
      const tlarr = JSON.parse(tl);
      const timeArr = tlarr.map(i => i.time);
      // 改课表中的每天的时间
      // 1,需要按天分组,然后进行排序
      const { lessons: lls } = l;
      const glls = _.groupBy(lls, 'date');
      const llsVal = Object.values(glls);
      // console.log(llsVal);
      let lastData = [];
      // 副本,排序,更新时间,赋回
      for (const ll of llsVal) {
        let dup = _.cloneDeep(ll);
        dup = this.sortLesson(dup);
        for (let i = 0; i < dup.length; i++) {
          dup[i].time = timeArr[i];
        }
        lastData.push(dup);
      }
      lastData = _.flatten(lastData);
      l.lessons = lastData;
      await this.model.updateOne({ _id: l._id }, { lessons: lastData });
    }

  }
  // 按时间升序排序
  sortLesson(arr) {
    arr = arr.map(i => {
      i.fulltime = `${i.date} ${i.time}`;
      return i;
    });
    arr = _.orderBy(arr, [ 'fulltime' ], [ 'asc' ]);
    arr = arr.map(i => _.omit(i, [ 'fulltime' ]));
    return arr;
  }
}

module.exports = LessonService;