'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 StudentService extends CrudService {
  constructor(ctx) {
    super(ctx, 'student');
    this.model = this.ctx.model.Student;
    this.umodel = this.ctx.model.User;
    this.tmodel = this.ctx.model.Trainplan;
    this.clamodel = this.ctx.model.Class;
    this.upmodel = this.ctx.model.Uploadtask;
    this.gmodel = this.ctx.model.Group;
  }

  // 查询
  async query({ skip, limit, ...info }) {
    const total = await this.model.count(info);
    const res = await this.model
      .find(info)
      .skip(Number(skip))
      .limit(Number(limit));
    const data = [];
    for (const elm of res) {
      const plan = await this.tmodel.findOne({
        'termnum._id': ObjectId(elm.termid),
      });
      const newdata = { ...JSON.parse(JSON.stringify(elm)) };
      if (plan) {
        const term = await plan.termnum.id(elm.termid);
        newdata.termname = term.term;
        if (elm.batchid) {
          const _batch = await term.batchnum.id(elm.batchid);
          newdata.batchname = _batch.batch;
        }
      }
      if (elm.classid) {
        const classs = await this.clamodel.findById(elm.classid);
        if (classs) {
          newdata.classname = classs.name;
        }
      }
      data.push(newdata);
    }
    const result = { total, data };
    return result;
  }

  // 查询
  async seek({ termid, type, batchid, skip, limit }) {
    const total = await this.model.count({
      termid,
      type,
      batchid,
      $or: [{ classid: null }, { classid: '' }],
    });
    const data = await this.model
      .find({ termid, type, batchid, $or: [{ classid: null }, { classid: '' }] })
      .skip(Number(skip))
      .limit(Number(limit));
    const result = { total, data };
    return result;
  }

  async findbedroom(data) {
    const { batchid, classid } = data;
    const result = [];
    // 如果传的是批次id
    if (batchid) {
      // 查询该批次下的所有学生
      const students = await this.model.find({ batchid });
      const bedroomList = new Set();
      // 查询该批次的所有寝室号
      for (const student of students) {
        bedroomList.add(student.bedroom);
      }
      let studentList = [];
      // 查询该批次所有寝室下的学生名单
      for (const bedroom of bedroomList) {
        const newstudents = await this.model.find({ bedroom });
        for (const newstudent of newstudents) {
          studentList.push(newstudent.name);
        }
        result.push({ bedroom, studentList });
        studentList = [];
      }
    }
    // 如果传的是班级id
    if (classid) {
      // 查询该班级所有学生
      const students = await this.model.find({ classid });
      const bedroomList = new Set();
      // 查询该班级所有寝室号
      for (const student of students) {
        bedroomList.add(student.bedroom);
      }
      let studentList = [];
      // 查询该班级所有寝室的学生名单
      for (const bedroom of bedroomList) {
        const newstudents = await this.model.find({ bedroom });
        for (const newstudent of newstudents) {
          // 如果寝室中有非本班级学生（混寝），则过滤掉不予显示
          if (newstudent.classid === classid) {
            studentList.push(newstudent.name);
          }
        }
        result.push({ bedroom, studentList });
        studentList = [];
      }
    }
    return result;
  }

  async upjob(data) {
    const { stuid, job } = data;
    const student = await this.model.findById(stuid);
    student.job = job;
    if (job === '班长' || job === '学委') {
      const user = await this.umodel.findOne({ uid: stuid, type: '4' });
      const date = await this.ctx.service.util.updatedate();
      const openid = user.openid;
      const detail = '你已被班主任设置为' + job + ',请及时登录查看';
      const remark = '感谢您的使用';
      if (openid) {
        this.ctx.service.weixin.sendTemplateMsg(
          this.ctx.app.config.REVIEW_TEMPLATE_ID,
          openid,
          '您有一个新的通知',
          detail,
          date,
          remark
        );
      }
    }
    return await student.save();
  }

  // 根据学生id删除班级
  async deleteclass(data) {
    for (const el of data) {
      const student = await this.model.findById(el);
      if (student) {
        student.classid = '';
        await student.save();
      }
    }
  }

  // 根据班级id查出班级各个学生的分数
  async findscore({ skip, limit, ...info }) {
    const { classid } = info;
    const total = await this.model.count(info);
    const students = await this.model
      .find(info)
      .skip(Number(skip))
      .limit(Number(limit));
    const data = [];
    const groups = await this.gmodel.find({ classid });
    for (const student of students) {
      const _student = JSON.parse(JSON.stringify(student));
      const group = groups.find(item =>
        item.students.find(stuinfo => stuinfo.stuid === _student.id)
      );
      console.log(group);
      if (group) {
        _student.groupscore = group.score;
      }
      const tasks = await this.upmodel.find({ studentid: _student.id });
      _student.tasks = tasks;
      data.push(_student);
    }

    return { total, data };
  }

  async findbystuids({ data }) {
    const res = [];
    for (const stuid of data) {
      const stu = await this.model.findById(stuid);
      if (stu)res.push(stu);
    }
    return res;
  }

  // 根据学生id删除学生
  async deletestus(data) {
    for (const el of data) {
      await this.model.deleteOne({ _id: ObjectId(el) });
    }
  }

  // 批量更新寝室号
  async updatabedroom(data) {
    for (const el of data) {
      const student = await this.model.findById(el.id);
      if (student) {
        student.bedroom = el.bedroom;
        await student.save();
      }
    }
  }
}

module.exports = StudentService;