'use strict';
const Schema = require('mongoose').Schema;
const metaPlugin = require('naf-framework-mongoose/lib/model/meta-plugin');

// 课程信息表
const lessonInfo = new Schema({
  name: { type: String, required: false, maxLength: 500 }, // 名称
  teacherid: { type: String, required: false, maxLength: 500 }, // 教师id
  date: { type: String, required: false, maxLength: 500 }, // 日期
  day: { type: String, required: false, maxLength: 500 }, // 课程天数，半天或一天
});

// 课程表
const LessonSchema = {
  class: { type: String, required: true, maxLength: 500 }, // 班级
  term: { type: String, required: true, maxLength: 500 }, // 期
  batch: { type: String, required: true, maxLength: 500 }, // 批次
  lessons: { type: [ lessonInfo ], select: true }, // 课程信息
};

const schema = new Schema(LessonSchema, { toJSON: { virtuals: true } });
schema.index({ id: 1 });
schema.plugin(metaPlugin);

module.exports = app => {
  const { mongoose } = app;
  return mongoose.model('Lesson', schema, 'lesson');
};