'use strict';


const _ = require('lodash');
const { CrudService } = require('naf-framework-mongoose/lib/service');
const assert = require('assert');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const XLSX = require('xlsx');
const utils = require('../utils/utils.js');
class TrainplanService extends CrudService {
  constructor(ctx) {
    super(ctx, 'trainplan');
    this.model = this.ctx.model.Trainplan;
    this.clamodel = this.ctx.model.Class;
    this.umodel = this.ctx.model.User;
    this.smodel = this.ctx.model.School;
    this.tmodel = this.ctx.model.Teacher;
    this.stumodel = this.ctx.model.Student;
  }

  //   async create(data) {
  //     const terminfo = await data.termnum;
  //     console.log(terminfo);
  //     const { batchnum: { type, name, number }, term } = terminfo;
  //     console.log(type);
  //     if (type === 1) {
  //       const classdata = { name, number, term, type };
  //       await this.clamodel.create(classdata);
  //     }
  //     if (type === 0) {
  //       for (let i = 0; i < class; i++) {
  //         const name = '第' + term + '期' + batch + '批次' + i + '班';
  //         const classdate = { name, number, term, type, newbatch };
  //         await this.clamodel.create(classdate);
  //       }
  //     }
  //     return this.tpmodel.create(data);
  //   }
  // }

  async update({ id }, data) {
    const trainplan = await this.model.findById(id);
    // 保存原数据
    const trainplanold = _.cloneDeep(trainplan);

    const { year, title, termnum, festivals, status, school } = data;
    if (year) {
      trainplan.year = year;
    }
    if (title) {
      trainplan.title = title;
    }
    if (termnum) {
      trainplan.termnum = termnum;
    }
    if (school) {
      trainplan.school = school;
    }
    if (festivals) {
      trainplan.festivals = festivals;
    }
    if (status === '1') {
      trainplan.status = status;
    }
    // 如果培训计划状态改为发布,发送培训计划信息，并自动生成班级
    const res = await trainplan.save();
    if (res) {
      if (status === '1') {
        // 自动生成班级
        // await this.autoclass(res, trainplanold);
        await this.autoclassNew(res, trainplanold);
        // 将生成的班级重新将班级排班名
        // await this.autoclassname(res);
        // 发送培训计划信息通知给相应人员
        // 查询所有入库的教师
        const teachers = await this.tmodel.find({ status: '4' });
        for (const teacher of teachers) {
          const teacherid = teacher._id;
          const _teacher = await this.umodel.findOne({ uid: teacherid, type: '3' });
          const openid = _teacher.openid;
          const detail = trainplan.title + '已发布，请注意查收!';
          const date = await this.ctx.service.util.updatedate();
          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);
          }
        }
        // 查询所有学校用户
        const schools = await this.umodel.find({ type: '2' });
        for (const school of schools) {
          const openid = school.openid;
          const detail = trainplan.title + '已发布，请注意查收!';
          const date = await this.ctx.service.util.updatedate();
          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 res;
  }

  // 自动生成班级私有方法
  async autoclassNew(res) {
    // 删除所有计划下的班级
    await this.clamodel.deleteMany({ planid: res.id });
    // 循环出所有班级进行添加操作
    for (const term of res.termnum) {
      for (const batch of term.batchnum) {
        const classs = await batch.class;
        for (const cla of classs) {
          const newdata = { name: cla.name, number: cla.number, batchid: batch.id, termid: term.id, planid: res.id, type: cla.type, headteacherid: cla.headteacherid };
          await this.clamodel.create(newdata);
        }
      }
    }
  }

  // 自动生成班级私有方法
  async autoclass(res, trainplanold) {
    // 首先比较当前数据和原数据的值是否有不同
    // 保存后所有期id
    const tremid_res = _.map(res.termnum, 'id');
    // 保存前所有期id
    const tremid_old = _.map(trainplanold.termnum, 'id');
    // 取得要删除的期id，进行班级中删除已删除期的班级
    const deltrem = _.difference(tremid_old, tremid_res);
    // 循环删除已经删除期的所有班级
    for (const elm of deltrem) {
      await this.clamodel.deleteMany({ termid: elm });
    }
    // 取得所有新加期id
    const addtrem = _.difference(tremid_res, tremid_old);
    // 清空后循环取得所有期进行批次操作
    const terms = res.termnum;
    for (const el of terms) {
      // 判断是否新加期
      if (_.indexOf(addtrem, el.id) !== -1) {
        // 循环当前新加期的批次列表，根据批次id和班级数生成班级信息
        const batchnums = el.batchnum;
        for (const batchnum of batchnums) {
          // 取得当前批次的班级数
          const classnum = batchnum.class;
          for (const cla of classnum) {
            const newdata = { name: cla.name, number: cla.number, batchid: batchnum.id, termid: el.id, planid: res.id, type: cla.type };
            await this.clamodel.create(newdata);
          }
        }
      } else {
        // 不是新加期，更新期信息
        // 保存后所有期id
        const batchid_res = _.map(el.batchnum, 'id');
        // 保存前所有期id
        const batchid_old = _.map(trainplanold.termnum.id(el.id).batchnum, 'id');
        // 取得要删除的期id，进行班级中删除已删除期的班级
        const delbatchs = _.difference(batchid_old, batchid_res);
        // 循环删除已经删除期的所有班级
        for (const delba of delbatchs) {
          await this.clamodel.deleteMany({ termid: el.id, batchid: delba });
        }
        // 取得所有新加期id
        const addbatch = _.difference(batchid_res, batchid_old);
        const batchnums = el.batchnum;
        for (const batchnum of batchnums) {
          // 取得当前批次是否有删除
          // 判断是否新加期
          if (_.indexOf(addbatch, batchnum.id) !== -1) {
            // 取得当前批次的班级数
            const classnum = batchnum.class;
            for (const cla of classnum) {
              const newdata = { name: cla.name, number: cla.number, batchid: batchnum.id, termid: el.id, planid: res.id, type: cla.type };
              await this.clamodel.create(newdata);
            }
          } else {
            if (batchnum.class === trainplanold.termnum.id(el.id).batchnum.id(batchnum.id).class) {
              // 编辑只会针对班级人数进行修改。
              const _class = await this.clamodel.find({ termid: el.id, batchid: batchnum.id });
              if (_class.length !== 0) {
                for (const ee of _class) {
                  ee.number = batchnum.number;
                  await ee.save();
                }
              } else {
                const classnum = batchnum.class;
                for (const cla of classnum) {
                  const newdata = { name: cla.name, number: cla.number, batchid: batchnum.id, termid: el.id, planid: res.id, type: cla.type };
                  await this.clamodel.create(newdata);
                }
              }
            } else {
              // 当班级数有更改时
              // 删除所有班级 并重新生成班级
              await this.clamodel.deleteMany({ termid: el.id, batchid: batchnum.id });
              const classnum = batchnum.class;
              for (const cla of classnum) {
                const newdata = { name: cla.name, number: cla.number, batchid: batchnum.id, termid: el.id, planid: res.id, type: cla.type };
                await this.clamodel.create(newdata);
              }
            }
          }
        }
      }
    }

  }

  // // 将分好的班级重新编排名字
  // async autoclassname(res) {
  //   // 取得所有期id
  //   const tremid_res = _.map(res.termnum, 'id');
  //   for (const termid of tremid_res) {
  //     const classs = await this.clamodel.find({ planid: res.id, termid });
  //     let i = 0;
  //     for (const cla of classs) {
  //       i = i + 1;
  //       cla.name = i;
  //       await cla.save();
  //     }
  //   }
  // }
  async exportExcel({ trainplanIds }) {
    const nowDate = new Date().getTime();
    const path =
            'D:\\wwwroot\\service\\service-file\\upload\\train\\' +
            nowDate +
            '.xlsx';
    const respath =
            'http://free.liaoningdoupo.com:80/files/train/' + nowDate + '.xlsx';
    const wb = {
      SheetNames: [],
      Sheets: {},
    };
    for (let i = 0; i < trainplanIds.length; i++) {
      // 批次期次都在这里面
      const trainplan = await this.model.findOne({ _id: trainplanIds[i] });
      // 这个计划下所有的学生
      const studentList = await this.stumodel.find({ planid: trainplanIds[i] });
      // 计划名称
      const trainplandName = trainplan.title;
      // 在计划中找到这个学生在哪期以及哪期下的哪批次
      for (const student of studentList) {
        student.isComming = utils.getIsNot(student.isComming);
        student.trainplandName = trainplandName;
        // 期次
        const term = trainplan.termnum.filter(term => {
          return term.id === student.termid;
        });
        if (term.length > 0) { student.termName = term[0].term; }
        // 批次
        if (term.length !== 0) {
          const batch = term[0].batchnum.filter(batch => {
            return batch.id === student.batchid;
          });
          if (batch.length > 0) {
            student.batchName = JSON.parse(JSON.stringify(batch[0])).name;
          }
        }

        student.is_fine = utils.getIsNot(student.is_fine);
      }
      const _headers = [
        { key: 'trainplandName', title: '计划标题' },
        { key: 'termName', title: '期次' },
        { key: 'batchName', title: '批次' },
        { key: 'school_name', title: '学校' },
        { key: 'faculty', title: '院系' },
        { key: 'major', title: '专业' },
        { key: 'name', title: '姓名' },
        { key: 'id_number', title: '身份证号' },
        { key: 'phone', title: '手机号' },
        { key: 'gender', title: '性别' },
        { key: 'nation', title: '民族' },
        { key: 'edua_level', title: '学历层次' },
        { key: 'edua_system', title: '学制' },
        { key: 'entry_year', title: '入学年份' },
        { key: 'finish_year', title: '毕业年份' },
        { key: 'school_job', title: '在校职务' },
        { key: 'qq', title: 'QQ号' },
        { key: 'email', title: '邮箱' },
        { key: 'openid', title: '微信openid' },
        { key: 'family_place', title: '家庭位置' },
        { key: 'family_is_hard', title: '是否困难' },
        { key: 'have_grant', title: ' 是否获得过助学金' },
        { key: 'job', title: '职务' },
        { key: 'bedroom', title: '寝室号' },
        { key: 'is_fine', title: '是否优秀' },
        // { key: 'selfscore', title: '个人分' },
        // { key: 'score', title: '总分' },
        // { key: 'diy', title: '自定义' },
        { key: 'isComming', title: '是否签到' },
      ];

      // 需要打出的列表
      const _data = studentList;
      const headers = _headers
        .map(({ title }) => title)
        .map((v, i) =>
          Object.assign({}, { v, position: String.fromCharCode(65 + i) + 1 })
        )
        .reduce(
          (prev, next) =>
            Object.assign({}, prev, { [next.position]: { v: next.v } }),
          {}
        );

      const data = _data
        .map((v, i) =>
          _headers.map(({ key }, j) =>
            Object.assign(
              {},
              { v: v[key], position: String.fromCharCode(65 + j) + (i + 2) }
            )
          )
        )
        .reduce((prev, next) => prev.concat(next))
        .reduce(
          (prev, next) =>
            Object.assign({}, prev, { [next.position]: { v: next.v } }),
          {}
        );

      // 合并 headers 和 data
      const output = Object.assign({}, headers, data);

      // 获取所有单元格的位置
      const outputPos = Object.keys(output);

      // 计算出范围
      const ref = outputPos[0] + ':' + outputPos[outputPos.length - 1];

      // 构建 workbook 对象
      wb.SheetNames.push('sheet' + i);
      wb.Sheets['sheet' + i] = Object.assign({}, output, { '!ref': ref });
    }
    // 导出 Excel
    XLSX.writeFile(wb, path);
    return respath;
  }

  async updateclass({ trainplanid, classid, rightHeader }) {
    assert(trainplanid && classid && rightHeader, '缺少参数项');
    // 根据全年计划表id查出对应的全年计划详细信息
    const trainplan = await this.model.findById(trainplanid);
    if (!trainplan) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '全年计划信息不存在');
    }
    for (const term of trainplan.termnum) {
      for (const batch of term.batchnum) {
        const class_ = await batch.class.id(classid);
        if (class_) {
          class_.headteacherid = rightHeader;
        }
      }
    }
    return await trainplan.save();
  }

}
module.exports = TrainplanService;