const { DataTypes } = require('sequelize');
const moment = require('moment');
const connect = require('./connect');

/*
   type: DataTypes.STRING,
      allowNull: false,
      defaultValue:'',
      comment: '名',
*/
function format(m) {
  m.href = `/course/${m.id}`;
  m.updatedMonth = moment(m.updatedAt).format('YYYY-MM');
}
const model = connect.define(
  __filename.slice(__dirname.length + 1).replace('.js', ''),
  {
    id: {
      type: DataTypes.INTEGER,
      autoIncrement: true,
      primaryKey: true,
      comment: 'id',
    },
    title: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '标题',
    },
    desc: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '描述',
    },
    detailimg: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '详情大图',
    },
    detailvideo: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '详情大图',
    },
    tagimg: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '标签图',
    },
    teacherId: {
      type: DataTypes.JSON,
      defaultValue: [],
      comment: '讲师',
    },
    recordId: {
      type: DataTypes.INTEGER,
      comment: '录播讲师',
    },
    oprice: {
      type: DataTypes.DECIMAL(10, 2),
      defaultValue: 0,
      comment: '原价',
    },
    price: {
      type: DataTypes.DECIMAL(10, 2),
      defaultValue: 0,
      comment: '现价',
    },
    discountmsg: {
      type: DataTypes.STRING,
      defaultValue: '',
      comment: '优惠信息',
    },
    type: {
      type: DataTypes.TINYINT,
      defaultValue: 1,
      comment: '1碳资产开发2碳核算',
    },
    status: {
      type: DataTypes.TINYINT,
      defaultValue: 0,
      comment: '0草稿1已发布2下线',
    },
    publishAt: {
      type: DataTypes.DATE,
      comment: '发布时间',
    },
    weight: {
      type: DataTypes.INTEGER,
      defaultValue: 100,
      comment: '权重',
    },
    richText: {
      type: DataTypes.TEXT,
      defaultValue: '',
      comment: '富文本',
    },
    cHours: {
      type: DataTypes.FLOAT(4, 1),
      defaultValue: 0,
      comment: '课程时长',
    },
    cChapter: {
      type: DataTypes.INTEGER,
      defaultValue: 0,
      comment: '文章数',
    },
  },
  {
    comment: '课程',
    initialAutoIncrement: 10000,
    hooks: {
      beforeFind(option) {
        if (!option.order) {
          option.order = [
            ['weight', 'desc'],
            ['id', 'desc'],
          ];
        }
      },
      afterFind(m) {
        m && (Array.isArray(m) ? m.forEach(item => format(item)) : format(m));
      },
    },
  }
);
module.exports = model;