'use strict';

/**
 * Word操作题模型 - WordQuestion
 *
 * 对应 word_questions 表，存储所有组别的 Word 操作题。
 * 通过 group 字段区分中职组(zhongzhi)和高职组(gaozhi)。
 */
module.exports = app => {
  const { STRING, INTEGER, DATE, TEXT } = app.Sequelize;

  return app.model.define('WordQuestion', {
    id: {
      type: INTEGER,
      primaryKey: true,
      autoIncrement: true,
      comment: '主键ID',
    },
    group: {
      type: STRING(20),
      allowNull: false,
      comment: '组别：zhongzhi/gaozhi',
    },
    title: {
      type: STRING(200),
      allowNull: false,
      comment: '题目标题',
    },
    description: {
      type: TEXT,
      allowNull: true,
      comment: '题目描述/操作要求',
    },
    score: {
      type: INTEGER,
      allowNull: false,
      defaultValue: 30,
      comment: '分值',
    },
    sort_order: {
      type: INTEGER,
      allowNull: false,
      defaultValue: 0,
      comment: '排序',
    },
    template_path: {
      type: STRING(500),
      allowNull: true,
      comment: 'Word 模板文件路径',
    },
    created_at: {
      type: DATE,
      defaultValue: app.Sequelize.NOW,
      comment: '创建时间',
    },
    updated_at: {
      type: DATE,
      defaultValue: app.Sequelize.NOW,
      comment: '更新时间',
    },
  }, {
    tableName: 'word_questions',
    timestamps: true,
    createdAt: 'created_at',
    updatedAt: 'updated_at',
  });
};