'use strict';

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.createTable('word_questions', {
      id: {
        type: Sequelize.INTEGER,
        primaryKey: true,
        autoIncrement: true,
        allowNull: false,
        comment: '题目ID',
      },
      group: {
        type: Sequelize.STRING(20),
        allowNull: false,
        comment: '组别：zhongzhi/gaozhi',
      },
      title: {
        type: Sequelize.STRING(200),
        allowNull: false,
        comment: '题目标题',
      },
      description: {
        type: Sequelize.TEXT,
        allowNull: true,
        comment: '题目描述/操作要求',
      },
      score: {
        type: Sequelize.INTEGER,
        allowNull: false,
        defaultValue: 30,
        comment: '分值',
      },
      sort_order: {
        type: Sequelize.INTEGER,
        allowNull: false,
        defaultValue: 0,
        comment: '排序',
      },
      template_path: {
        type: Sequelize.STRING(500),
        allowNull: true,
        comment: 'Word 模板文件路径',
      },
      created_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
        comment: '创建时间',
      },
      updated_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'),
        comment: '更新时间',
      },
    }).then(() => {
      return Promise.all([
        queryInterface.addIndex('word_questions', ['group'], { name: 'idx_word_group' }),
        queryInterface.addIndex('word_questions', ['sort_order'], { name: 'idx_word_sort' }),
      ]);
    });
  },

  down: async (queryInterface) => {
    await queryInterface.dropTable('word_questions');
  },
};