'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;
const moment = require('moment');
const XLSX = require('xlsx');

class SchoolService extends CrudService {
  constructor(ctx) {
    super(ctx, 'schoolctrl');
    this.model = this.ctx.model.School;
    this.smodel = this.ctx.model.Student;
    this.umodel = this.ctx.model.User;
    this.tmodel = this.ctx.model.Trainplan;
    this.jmodel = this.ctx.model.Job;
    this.schmodel = this.ctx.model.Schtime;
  }

  async stuimport(data) {
    const { filepath, termid, schid, type, batchid } = data;
    assert(filepath, 'filepath不能为空');
    assert(termid, 'termid不能为空');
    assert(schid, 'schid不能为空');
    // 根据termid取得计划信息
    const plan = await this.tmodel.findOne({ 'termnum._id': ObjectId(termid) });
    if (!plan) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '计划信息不存在');
    }
    // 取得学校预计人数
    const num_ = await this.getschnum(plan, type, schid, termid);
    console.log('*******************');
    console.log(num_);
    console.log('*******************');
    const planid = plan.id;
    const planyearid = plan.planyearid;
    // 取得excle中数据
    const _filepath = this.ctx.app.config.baseUrl + filepath;
    console.log(_filepath);
    const studatas = await this.getImportXLSXData(
      _filepath,
      termid,
      schid,
      planid,
      planyearid,
      type,
      batchid
    );
    // 将得到的数据校验
    const datacheck = await this.datacheck(studatas);
    if (datacheck.errorcode === '1') {
      return datacheck;
    }
    const school_ = await this.model.findOne({ code: schid });
    let schname = '';
    if (school_) {
      schname = school_.name;
    }
    const trem_ = await plan.termnum.id(termid);
    if (!trem_) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '期信息不存在');
    }
    const nowtime = moment().locale('zh-cn').format('YYYY-MM-DD HH:mm:ss');
    if (studatas.length > num_) {
      const jobdata = {
        code: schid,
        name: schname,
        planid: plan.id,
        termid,
        term: trem_.term,
        batchid,
        filepath,
        studs: JSON.stringify(studatas),
        plannum: num_,
        schnum: studatas.length,
        isstore: '0',
        createtime: nowtime,
        type,
        reason: '学校上传人数超过预期人数,请联系中心管理员',
      };
      await this.jmodel.create(jobdata);
      throw new BusinessError(
        ErrorCode.SERVICE_FAULT,
        '学校上传人数超过预期人数,请联系中心管理员'
      );
    } else if (studatas.length < num_) {
      const jobdata = {
        code: schid,
        name: schname,
        planid: plan.id,
        termid,
        term: trem_.term,
        batchid,
        filepath,
        studs: JSON.stringify(studatas),
        plannum: num_,
        schnum: studatas.length,
        isstore: '0',
        createtime: nowtime,
        type,
        reason: '学校上传人数少于预期人数,请联系中心管理员',
      };
      await this.jmodel.create(jobdata);
      throw new BusinessError(
        ErrorCode.SERVICE_FAULT,
        '学校上传人数少于预期人数,请联系中心管理员'
      );
    }
    // 将数据存入数据库中
    for (const stu of studatas) {
      const res = await this.smodel.create(stu);
      // if (res) {
      //   const newdata = { name: stu.name, mobile: stu.phone, type: '4', uid: res.id };
      //   newdata.passwd = { secret: '12345678' };
      //   await this.umodel.create(newdata);
      // }
    }
    return datacheck;
  }

  // 取得学校预计人数
  async getschnum(plan, type, schid, termid) {
    const schtime = await this.schmodel.findOne({ schid, planid: plan.id });
    let { arrange } = schtime;
    const { termnum } = plan;
    arrange = _.groupBy(arrange, 'term');
    const keys = Object.keys(arrange);
    let arr = keys.map(key => {
      const rt = termnum.find(f => f.term === key);
      let ar = arrange[key];
      ar = ar.map(a => {
        const rb = rt.batchnum.find(f => f.batch === a.batch);
        if (rb) {
          const bh = _.head(rb.class);
          const { type } = bh;
          a.type = type;
          return a;
        }
      });
      let garr = _.groupBy(ar, 'type');
      const gks = Object.keys(garr);
      garr = gks.map(gk => {
        const { term, termid } = _.head(garr[gk]);
        const number = garr[gk].reduce((p, n) => p + n.number * 1, 0);
        return { term, termid, number, type: gk };
      });
      return garr;
    });
    arr = arr.flat();
    const obj_ = _.find(arr, { termid, type });
    return obj_.number;
  }

  // 获取导入的XLSX文件中的数据
  async getImportXLSXData(filepath, termid, schid, planid, planyearid, type, batchid) {
    console.log(filepath);
    const file = await this.ctx.curl(filepath);
    const workbook = XLSX.read(file.data);
    // 读取内容
    let exceldata = [];
    const sheetNames = workbook.SheetNames; // 获取表名
    const sheet = workbook.Sheets[sheetNames[0]]; // 通过表名得到表对象
    // 遍历26个字母
    const theadRule = [];
    const range = XLSX.utils.decode_range(sheet['!ref']);
    const col_start = range.s.c;
    const col_end = range.e.c;
    for (let i = col_start; i <= col_end; i++) {
      const addr = XLSX.utils.encode_col(i) + XLSX.utils.encode_row(0);
      theadRule.push(sheet[addr].v);
    }
    // const theadRule = [ sheet.A1.v, sheet.B1.v, sheet.C1.v, sheet.D1.v, sheet.E1.v, sheet.F1.v, sheet.G1.v, sheet.H1.v, sheet.I1.v, sheet.J1.v, sheet.K1.v, sheet.L1.v, sheet.M1.v, sheet.N1.v, sheet.O1.v, sheet.P1.v, sheet.Q1.v, sheet.R1.v ];
    const params = XLSX.utils.sheet_to_json(sheet); // 通过工具将表对象的数据读出来并转成json
    // const theadRule = [ '序号', '姓名', '性别', '民族', '身份证号', '学校名称', '院系', '专业', '入学年份', '毕业年份', '在校曾担任何种职务', '手机号', 'QQ号', '家庭所在地', '家庭是否困难', '是否获得过助学金' ];
    if (!params) return [];
    let i = 0;
    const length = params.length;
    const _datas = [];
    let data = {};
    for (i; i < length; i++) {
      data = params[i];
      const diy_ = [];
      if (theadRule.length > 18) {
        for (let j = 18; j < theadRule.length; j++) {
          const newdata = {
            itemname: theadRule[j],
            itemvalue: data[theadRule[j]],
          };
          diy_.push(newdata);
        }
      }
      _datas.push({
        name: data[theadRule[1]],
        gender: data[theadRule[2]],
        nation: data[theadRule[3]],
        id_number: data[theadRule[4]],
        school_name: data[theadRule[5]],
        faculty: data[theadRule[6]],
        major: data[theadRule[7]],
        entry_year: data[theadRule[8]],
        finish_year: data[theadRule[9]],
        school_job: data[theadRule[10]],
        phone: data[theadRule[11]],
        qq: data[theadRule[12]],
        family_place: data[theadRule[13]],
        family_is_hard: data[theadRule[14]],
        have_grant: data[theadRule[15]],
        edua_level: data[theadRule[16]],
        edua_system: data[theadRule[17]],
        diy: diy_,
        termid,
        batchid,
        schid,
        planid,
        planyearid,
        type,
      });
    }
    exceldata = [ ...exceldata, ..._datas ];
    return exceldata;
  }

  // 获取导入的XLSX文件中的数据
  async datacheck(studatas) {
    let errorcode = '0';
    const errormsg = [];
    for (const data of studatas) {
      // 判断是否为空
      if (!data.name) {
        errorcode = '1';
        data.msg = data.msg + '姓名不允许为空，';
      }
      if (!data.gender) {
        errorcode = '1';
        data.msg = data.msg + '性别不允许为空，';
      }
      if (!data.nation) {
        errorcode = '1';
        data.msg = data.msg + '民族不允许为空，';
      }
      if (!data.id_number) {
        errorcode = '1';
        data.msg = data.msg + '身份证号不允许为空，';
      }
      if (!data.school_name) {
        errorcode = '1';
        data.msg = data.msg + '学校名称不允许为空，';
      }
      if (!data.phone) {
        errorcode = '1';
        data.msg = data.msg + '手机号不允许为空，';
      }
      if (!data.faculty) {
        errorcode = '1';
        data.msg = data.msg + '院系不允许为空，';
      }
      if (!data.major) {
        errorcode = '1';
        data.msg = data.msg + '专业不允许为空，';
      }
      if (!data.entry_year) {
        errorcode = '1';
        data.msg = data.msg + '入学年份不允许为空，';
      }
      if (!data.finish_year) {
        errorcode = '1';
        data.msg = data.msg + '毕业年份不允许为空，';
      }
      if (!data.school_job) {
        errorcode = '1';
        data.msg = data.msg + '职务不允许为空，';
      }
      if (!data.qq) {
        errorcode = '1';
        data.msg = data.msg + 'QQ号不允许为空，';
      }
      if (!data.family_place) {
        errorcode = '1';
        data.msg = data.msg + '家庭所在地不允许为空，';
      }
      if (!data.family_is_hard) {
        errorcode = '1';
        data.msg = data.msg + '家庭是否困难不允许为空，';
      }
      if (!data.have_grant) {
        errorcode = '1';
        data.msg = data.msg + '是否获得过助学金不允许为空，';
      }
      if (!/^\d{11}$/i.test(data.phone)) {
        errorcode = '1';
        data.msg = data.msg + '手机号不正确，';
      }
      const res = await this.smodel.findOne({ id_number: data.id_number });
      if (res) {
        errorcode = '1';
        data.msg = data.msg + '学生已经存在请检查，';
      }
      if (errorcode === '1') {
        errormsg.push(data);
      }
    }
    return { errorcode, errormsg };
  }

  // 导出学校名单
  async exportSchool({ trainplanId }) {
    // 批次期次都在这里面
    const trainplan = await this.tmodel.find({ _id: trainplanId });
    console.log(trainplan);
    const _headers = [
      { key: 'title', title: '计划标题' },
    ];
    // 需要打出的列表
    const _data = trainplan;
    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
    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: [ 'sheet0' ],
      Sheets: { sheet0: 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();
  }

  async updatereteacher({ trainplanid, termid, reteacher }) {
    assert(trainplanid && termid && reteacher, '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');
    }
    const term = await trainplan.termnum.id(termid);
    if (term) {
      term.reteacher = reteacher;
    }
    return await trainplan.save();
  }
}

module.exports = SchoolService;