'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 CerconfirmService extends CrudService {
  constructor(ctx) {
    super(ctx, 'cerconfirm');
    this.uqmodel = this.ctx.model.Uploadquestion; // 上传的问卷答案
    this.tqmodel = this.ctx.model.Termquest; // 该期的非常用问卷
    this.stumodel = this.ctx.model.Student; // 学生
    this.questionnairemodel = this.ctx.model.Questionnaire; // 问卷
    // TODO考勤规则没有
  }
  /**
   * 根据条件,查找学生,
   * @param {Object} data 可能有classid,termid
   */
  async getStudentList(data) {
    const { classid } = data;
    // 根据范围查找学生列表, 补充,把isComming为2的学生排除(退出的学生)
    const stuList = await this.stumodel.find({ classid, isComming: { $ne: '2' } });
    const stuHead = _.head(stuList);
    // 一个学生没有就没必要继续了
    if (!stuHead) return [];
    const { termid } = stuHead;
    // 找到该期需要答的特殊问卷
    const allinnormal = await this.tqmodel.findOne({ termid });
    let innormal = [];
    if (allinnormal) {
      const { questionnaireid } = allinnormal;
      innormal = questionnaireid;
    }
    // 根据期id,和问卷得到学生应该答的问卷
    const allquestionList = await this.questionnairemodel.find({ $or: [{ _id: { $in: innormal } }, { type: '0' }] }); // { type: '0', $or: [{ _id: { $in: innormal } }] }
    const allquestionidList = allquestionList.map(i => JSON.parse(JSON.stringify(i._id))); // 整理成单纯的id数组,反正下面只要判断有没有就行
    // 根据范围查找填写的问卷
    const uqList = await this.uqmodel.find({ classid });
    let list = [];
    // 判断学生是否将所有问卷都答完了
    for (const student of stuList) {
      const answerList = uqList.filter(f => ObjectId(f.studentid).equals(student._id)).map(i => i.questionnaireid); // 该学生填写过的问卷
      if (answerList.length > 0) {
        const res = _.difference(allquestionidList, answerList);
        if (res.length <= 0)list.push(student);
      }
    }
    // 计算分数
    list = await this.getScore(list);
    return list;
  }

  async getScore(list) {
    if (!(_.isArray(list) && list.length > 0)) return;
    const h = _.head(list);
    const { classid } = h;
    // 日常分
    let dailyScoreList = await this.ctx.model.Personalscore.find({ classid });
    dailyScoreList = this.ctx.service.student.getDailyScore(dailyScoreList);
    if (dailyScoreList.length > 0) { list = this.ctx.service.student.dealScoreList(dailyScoreList, list, 'daily'); }
    // 作业分
    let taskScoreList = await this.ctx.model.Uploadtask.find({ classid });
    taskScoreList = this.ctx.service.student.getTaskScore(taskScoreList);
    if (taskScoreList.length > 0) { list = this.ctx.service.student.dealScoreList(taskScoreList, list, 'task'); }
    // 团队分
    const groupList = await this.ctx.model.Group.find({ classid });
    const groupScoreList = await this.ctx.model.Groupscore.find({ classid });
    if (groupScoreList.length > 0) {
      list = this.ctx.service.student.dealGroupScoreList(
        groupList,
        groupScoreList,
        list
      );
    }
    list = list.map(i => {
      if (!i.score && i.job.includes('普通')) {
        i.score = _.round((i.daily * 1 || 0) + (i.groupscore * 1 || 0) + (i.task * 1 || 0), 2);
      }
      return i;
    });
    list = _.orderBy(list, [ 'is_fine', 'score' ], [ 'desc', 'desc' ]);
    return list;
  }
}

module.exports = CerconfirmService;